what do you meaningful by ma of a levers is 3 vr of a lever is 4 and effect of a machine is 60%?
Answers
Answer:
To do this, you divide the distance from the fulcrum, the point at which the lever pivots, to the applied force by the distance from the fulcrum to the resistance force.
Related Questions
A point charge of 5.7 µc moves at 4.5 × 105 m/s in a magnetic field that has a field strength of 3.2 mt, as shown in the diagram. a field of circles labeled b. there is a positively charged particle with a velocity vector pointing 37 degrees north of east labeled v. what is the magnitude of the magnetic force acting on the charge? 6.6 × 10–3 n 4.9 × 10–3 n 4.9 × 103 n 6.6 × 103 n
Answers
The magnitude of the force on the charge by the influence of the magnetic field will be 6.6*10^-3 N
What is magnetic force?Magnetic force, attraction or repulsion that arises between electrically charged particles because of their motion.The magnitude of the magnetic force acting on the charge is given by:
\(\rm F=qvBsin\theta\)
where
The magnitude of the charge \(q=5.7\ \mu C =5.7\times 10^{-6} \ C\)
The velocity of the charge \(v=4.5\times 10^5\ \frac{m}{s}\)
The magnitude of the magnetic field \(3.2\ mT=0.0032\ T\)
The angle between the directions of v and B \(\theta =90^o-37^o=53^o\)
By substituting the values we will get:
\(F=(5.7\times 10^}-6})(4.5\times 10^5)(0.0032)(Sin53^o)\)
\(F=6.6\times 10^{-3}\ N\)
Hence the magnitude of the force on the charge by the influence of the magnetic field will be 6.6*10^-3 N
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Answer:
a - on edge
Explanation:
yes
Using Newton's third law of motion, explain what happens when you let an untied balloon go.
Answers
Answer:
balloon pushes you back
Explanation:
3rd Law: Every action has an equal and opposite reaction
So, when you let go of the balloon it's pushed forward so the balloon pushes you back
A cannonball is launched horizontally off a 65 m high castle wall with a speed of 40 m/s. how long will the cannonball be in the air before striking the ground?
Answers
The cannonball will be in the air a time of: 3.6421 s
The horizontal launch formula we will use and the procedure is:
t = √((2 * h) / g)
Where:
t = timeh = heightg = gravityInformation about the problem:
h= 65 mg = 9.8 m/s²v= 40 m/st =?Applying the time formula we have:
t = √((2 * h) / g)
t = √((2 * 65 m) / 9.8 m/s²)
t = √(130 m / 9.8 m/s²)
t = √(13.2653 s²)
t = 3.6421 s
What is horizontal launch?Is the motion described by an object that has been thrown horizontally with no angle of inclination at a certain height and considers the effect that the force of the earth's gravity has on the thrown object.
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use of ultrasonic waves directed through the heart to study the structure and motion of the heart is?
Answers
The use of ultrasonic waves directed through the heart to study the structure and motion of the heart is known as echocardiography.
What is echocardiography?Echocardiography is a type of medical examination that employs high-frequency sound waves to generate images of the heart. During an echocardiogram, a health care provider inserts a transducer, which emits sound waves, into your esophagus or over your chest. The waves are then bounced back to the transducer, and a computer uses these echoes to generate images of the heart.The technique is especially useful for examining the heart's chambers, valves, and walls, as well as its surrounding blood vessels. It may detect various heart illnesses, including heart failure, coronary artery disease, heart valve disease, and congenital heart abnormalities.
Echocardiography can be performed in a variety of ways:Transthoracic echocardiogram (TTE): It's the most frequent type of echocardiogram, and it's performed on the chest.Echocardiogram of the transesophageal variety (TEE): This examination entails inserting a tiny transducer, which emits high-frequency sound waves, down your throat and into your esophagus.Doppler echocardiogram: A specialized type of echocardiogram that assesses blood flow through the heart and its valves.Echocardiography is used to help diagnose heart disease and to guide certain treatments, such as valve repair or replacement surgery. It is a safe and painless procedure that does not use radiation.
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Give ten (10) words related to health on the grid. Write your answer on
a separate sheet.
Answers
Answer:
Answer
Explanation:
Answer:
1. Fitness 6. Health
2. Medicine 7. Diet
3. Diseases 8. Treatment
4. Exercises 9. Activities
5. Nutrition 10. Workouts
Mike and Joe take turns pitching a baseball, and Drew catches it. Mike can throw the ball harder than Joe can.
Which of the following statements is true?
Answers
Answer:
The ball travels faster when Mike throws it.
Explanation:
Mike throws the ball harder, with a greater force, so the ball travels faster when Mike throws it than when Joe does.
4. Magnets with one pole are now routinely made.
True or False
Answers
Answer:
False
Explanation:
A laser emits a narrow beam of light. The radius of the beam is 1.50 10-3 m, and the power is 1.30 10-3 W. What is the intensity of the laser beam
Answers
The intensity of the laser beam if the radius of the beam is 1.50 × 10⁻³ m, and the power is 1.30 × 10⁻³ is 183.9 W/m².
The intensity of the laser beam can be calculated using the formula:
I = P/A
where I is the intensity, P is the power, and A is the cross-sectional area of the beam.
The cross-sectional area of the beam can be calculated using the formula for the area of a circle:
A = πr²
where r is the radius of the beam.
Substituting the given values:
r = 1.50 x 10⁻³ m
P = 1.30 x 10⁻³ W
A = π(1.50 x 10⁻³)₂
= 7.07 x 10⁻⁶ m₂
So, the intensity of the laser beam is:
I = 1.30 x 10⁻³ W / 7.07 x 10⁻⁶ m
= 183.9 W/m²
Therefore, the intensity of the laser beam is 183.9 W/m².
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Which statement explains the polarity of a water molecule?
A. The oxygen side is partially positive because electrons are pulled toward the hydrogen side.
B. The oxygen side is partially negative because electrons are pulled toward the hydrogen side.
C. The oxygen side is partially positive because electrons are pulled toward the oxygen side.
D. The oxygen side is partially negative because electrons are pulled toward the oxygen side.
Answers
Answer:
D. The oxygen side is partially negative because electrons are pulled toward the oxygen side.
Explanation:
The water molecule is polar by the virtue of covalent bonds and the hydrogen bonds within and between its molecule.
The oxygen side is partially negative because the electrons are pulled toward the oxygen side.
Between oxygen and hydrogen that makes up the water molecule, oxygen is more electronegative.
An electronegative atom has more affinity for electrons. Since the electrons in the molecule of water is shared between hydrogen and oxygen, the more electronegative specie which is water draws the electron more to itself.
This leaves a net negative charge on the oxygen atom.
True or False: If the temperature remains unchanged and the mixing ratio drops, the relative humidity will increase.
Answers
False. The relative humidity will decrease if the mixing ratio drops and the temperature remains unchanged.
Relative humidity is the ratio of the amount of water vapor present in the air to the maximum amount the air can hold at a given temperature, so if the amount of water vapor decreases (due to lower mixing ratio), the relative humidity decreases unless the temperature also decreases.
False. If the temperature remains unchanged and the mixing ratio drops, the relative humidity will decrease. This is because relative humidity is the ratio of the actual amount of water vapor in the air (mixing ratio) to the maximum amount of water vapor the air can hold at a specific temperature. If the mixing ratio decreases while temperature stays constant, the relative humidity will be lower.
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use Newton's law of cooling to solve the problem Note: this is an algebra 2 problem. However, after 4 math tutors from here, they all couldnt answer and claimed its a physics problem. Maybe a physics tutor can helo? if needed, I can send a practice problem which is similar. we did it in class
Answers
Newton's law of cooling relates the temperature of an object with the time. This law is the following:
\(T=(T_0-T_r)e^{rt}+T_r\)Where:
\(\begin{gathered} T=\text{ temperature at time "t"} \\ T_0=\text{ initial temperature} \\ T_r=\text{ temperature of the surroundings} \\ r=\text{ rate of }cooling \\ t=\text{ time} \end{gathered}\)Since we are asked to determien time we need to solve for "t". To do that we will subtract the temperature of the surrounding from both sides:
\(T-T_r=(T_0-T_r)e^{-rt}\)Now, we divide by the factor multiplying "e":
\(\frac{T-T_r}{T_0-T_r}=e^{-rt}\)Now, we use natural logarithm on both sides:
\(\ln (\frac{T-T_r}{T_0-T_r})=\ln (e^{-rt})\)Now, we use the following property of logarithms on the right side:
\(\ln e^x=x\)This means that we can lower the exponent, like this:
\(\ln (\frac{T-T_r}{T_0-T_r})=-rt\)Now, we divide both sides by "-r":
\(-\frac{1}{r}\ln (\frac{T-T_r}{T_0-T_r})=t\)Now, we substitute the values:
\(-\frac{1}{0.067}\ln (\frac{100F-72F}{180F-72F})=t\)Solving the operations:
\(20.15\min =t\)Therefore, the time to wait is 20.15 minutes.
A man is trying to push a 250 N dresser across his carpeted bedroom. He applies a force of 20 N and the carpet provides a frictional force of 8N. Which vectors represented in the diagram below will you need to consider and what will be the resulting net force?
Answers
Answer:
The correct option is;
B. Subtract vectors A from C; \(F_{Net}\) = 12 N
Explanation:
The given parameters are;
The weight of the dresser = 250 N
The force applied by the man = 20 N = C
The frictional force provided by the carpet = 8 N = The component of the weight resisting motion = A
Therefore, the net force tending to put the dresser in motion, \(F_{Net}\), is given as follows;
\(F_{Net}\) = The force applied by the man, C - The frictional force provided by the carpet which is the component of the weight resisting motion, A
\(F_{Net}\) = C - A = 20 N - 8 N = 12 N
\(F_{Net}\) = 12 N
The resulting net force, \(F_{Net}\) = 12 N.
The resultant force can be obtained by subtracting vector C from Vector A and the value of net force is 12 N. Hence, option (C) is correct.
Given data:
The weight of man is, W = 250 N.
The magnitude of applied force is, F = 20 N.
The magnitude of frictional force is, f = 8 N.
As per the given problem and the diagram let the applied force be denoted by vector A, Then,
Magnitude of Vector A = 20 N
And the frictional force be denoted by vector C. Then,
Magnitude of Vector C = 8 N
We know that the role of frictional force is to oppose the motion or to oppose the effect of applied force. Then the resultant force is given as,
\(F_{net} = F-f\\\\F_{net} = 20 - 8\\\\F_{net} = 12 \;\rm N\)
Thus, we can conclude that the resultant force can be obtained by subtracting vector C from Vector A and the value of net force is 12 N. Hence, option (C) is correct.
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The coetticient of friction between a block and the surface it slides across is 0.360. The block has a mass of 150 kg
What force is required to accelerate the block 0.5 m/a^2.
Answers
The friction between the b;ock and surface is given by mass and accelerartion.
Force = mass * acceleration
pls help answer embed
Answers
Answer:
C = 1.01
Explanation:
Given that,
Mass, m = 75 kg
The terminal velocity of the mass, \(v_t=60\ m/s\)
Area of cross section, \(A=0.33\ m^2\)
We need to find the drag coefficient. At terminal velocity, the weight is balanced by the drag on the object. So,
Weight of the object = drag force
R = W
or
\(\dfrac{1}{2}\rho CAv_t^2=mg\)
Where
\(\rho\) is the density of air = 1.225 kg/m³
C is drag coefficient
So,
\(C=\dfrac{2mg}{\rho Av_t^2}\\\\C=\dfrac{2\times 75\times 9.8}{1.225\times 0.33\times (60)^2}\\\\C=1.01\)
So, the drag coefficient is 1.01.
a simple pendulum consisting of a bob of mass m attached to a string of length l swings with a period t.
Answers
The new period of oscillation if the mass of the bob is reduced by half is \(\frac{T}{\sqrt{2}}\) or T/√2.
Look at the attachment for a complete question. The period of oscillation of the simple pendulum
\(T \:=\: 2 \pi \sqrt{\frac{m}{k}}\)\(T \:=\: 2 \pi \sqrt{\frac{L}{g}}\)where
π = 3.14m = the mass of the bob (kg)k = the rope constant (N/m)L = the length of the swing (m)g = the acceleration due to gravity (m/s²)If we change the mass of the bob and didn't change the rope, the period also will change but the rope constant will not. The ratio of the period between the two condition
m₁ = mT₁ = Tm₂ = 0.50 mT² = 4π²m/k
T₁²: T₂² = m₁ : m₂
T²: T₂² = m : 0.50 m
T²: T₂² = 1 : 0.5
T₂² = 0.5T²
\(T_2 \:=\: \sqrt{0.5T}\)
\(T_2 \:=\: \sqrt{\frac{T}{2}}\)
T₂ = T/√2
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flares are caused by magnetic disturbances in the lower atmosphere of the sun. T/F
Answers
True, solar flares are caused by magnetic disturbances in the lower atmosphere of the sun. They occur when magnetic energy built up in the solar atmosphere is suddenly released.
Typically near sunspots. Sunspots are regions on the sun's surface with strong magnetic fields, which are cooler and darker than the surrounding areas. Magnetic energy release results in the emission of light, radiation, and particles, producing a bright and powerful burst known as a solar flare. These flares can release enormous amounts of energy, equivalent to millions of atomic bombs, within a few minutes.
Solar flares can impact Earth, causing geomagnetic storms that can disrupt communications, satellite operations, and power grids. They can also cause beautiful displays of auroras, like the Northern and Southern Lights. Monitoring solar flares is essential for protecting our technology and understanding more about the sun's magnetic activity and its effects on our planet. The solar corona, the Sun's outer atmosphere, is where solar flares take place. They frequently occur in areas of high magnetic activity, such as sunspots or other active zones. Magnetic fields in these active regions are rearranged and released during a solar flare, which results in energy release.
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a piston–cylinder device, whose piston is resting on a set of stops, initially contains 6 kg of air at 200 kpa and 27°c. the mass of the piston is such that a pressure of 400kpa is required to move it. heat is now transferred to the air until its volume doubles. the gas constant of air is r
Answers
By using internal energy, the heat transferred to the air until its volume doubles is 5570.69 joule.
We need to know about internal energy to solve this problem. For a closed system, with matter transfer excluded, the changes in internal energy are due to heat transfer and due to thermodynamic work done by the system on its surroundings. It can be determined as
ΔU = Q - W
where ΔU is the change in internal energy, Q is heat transferred and W is work done.
From the question above, we know that
m = 6 kg
P1 = 200 kPa
T1 = 298 K
P2 = 400 KPa
The internal energy should be
ΔU = Q - W
m(U2 - U1) = Q2 - W2
at the second state the work is zero
m(U2 - U1) = Q2
Assume constant specific heats
Q2 = m . Cv (T2 - T1)
Using the ideal gas
P1/T1 = P2/T2
200/298 = 400/T2
T2 = 596 K
Q2 = m . C . (T2-T1)
Q2 = 6 . 3.1156 . (596-298)
Q2 = 5570.69 joule
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The volume of gas in a flexible container at a depth of 10 m/33 ft will expand to ______ its original volume if taken to the surface.
Answers
Answer:
Twice its original volume.
Explanation:
For diving applications, 10 m/33 feet of sea water is taken to exerts a gauge pressure that is the same pressure as the atmosphere, or one ata/bar.
This means that we add one ata/bar pressure for every 10 m/33 feet you descend.
The effect of this is that, at 10 m/33 ft, you're under an absolute pressure of two ata/bar, one from air and one from water. Adding another 10 m/33 ft to this depth to make it 20 m/66 ft, puts you under under three ata/bar of pressure and so on.
Descending to a depth of 10 m/33 ft, with a flexible container means that you have double the ata/bar pressure acting on you. If you decide to resurface, the pressure on the flexible container will reduce by a factor of two.
Since volume is inversely proportional to the pressure, if the pressure reduces by a factor of 2, then the volume will increase by a factor of two, or we can say that the volume will double.
4. A stone is dropped from the fifth floor of a building from a height 14 m. How long would it take
for the stone to hit the ground?
I
Answers
Answer:
1.690308509s
Explanation:
v²=u²+2as
v²=0²+2(9.8)(14)
v²=274.4
∴v=16.56502339m/s
v=u+at
16.56502339=0+9.8t
∴t=1.690308509s
It takes about 1.7 seconds for the stone to hit the ground.
What is speed?Velocity is the pace and direction of an object's movement, whereas speed is the time rate at which an object is travelling along a path. In other words, velocity is a vector, whereas speed is a scalar quantity. For example, 50 km/hr (31 mph) denotes the speed of a car on a road, whereas 50 km/hr west denotes the pace at which it is moving.The average speed of an object is determined by dividing the distance traveled by the amount of time it takes the object to reach the distance, which is a pretty simple mathematical formula. Conversely, depending on the information provided regarding the object's motion, velocity can be computed in a variety of ways and is mathematically more challenging. The simplest way to determine average velocity is to divide the change in time (t) by the change in location (r).Therefore,
Calculation
Given,
u=initial velocity=0
v=final velocity
a=acceleration due to gravity=9.8 \(m\)/\(s^{2}\)
s=height=14m
\(v^{2} =u^{2} +2as\)
\(v^{2} =0+2(9.8)(14)\)
⇒\(v^{2} =274.4\)
⇒\(v=\)√\(274.4\)\(=16.5650 m\)
\(v=u+at\)
⇒\(16.5650=0+9.8t\)
⇒\(t=\frac{16.5650}{9.8} =1.6930 seconds\)
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What is the position and kind of image produced by the lens below?
Complete the ray diagram to support your answer.
Answers
i need it due in 10 mins
Answers
Answer:
B. 14.4 N
Rotational speed (Angular Velocity) = 2
The Radius of the circle = 1.2 m
Velocity = Angular velocity × radius = 2×1.2 = 2.4 m/s
Centripetal force= mv²/r = 3 × 2.4×2.4/1.2 = 3 × 2.4 × 2
= 14.4 N
Two men, Joel and Jerry, each pushes an object that are identical on a horizontal frictionless floor starting from rest. Joel and Jerry are using the same force F. Jerry stops after 10 min, while Joel is able to push for 5.0 min longer. Compare the work they do.
Answers
Answer:
The work done by Joel is greater than the work done by Jerry.
Explanation:
Let suppose that forces are parallel or antiparallel to the direction of motion. Given that Joel and Jerry exert constant forces on the object, the definition of work can be simplified as:
\(W = F\cdot \Delta s\)
Where:
\(W\) - Work, measured in joules.
\(F\) - Force exerted on the object, measured in newtons.
\(\Delta s\) - Travelled distance by the object, measured in meters.
During the first 10 minutes, the net work exerted on the object is zero. That is:
\(W_{net} = W_{Joel} - W_{Jerry}\)
\(W_{net} = F\cdot \Delta s - F\cdot \Delta s\)
\(W_{net} = (F-F)\cdot \Delta s\)
\(W_{net} = 0\cdot \Delta s\)
\(W_{net} = 0\,J\)
In exchange, the net work in the next 5 minutes is the work done by Joel on the object:
\(W_{net} = W_{Joel}\)
\(W_{net} = F\cdot \Delta s\)
Hence, the work done by Joel is greater than the work done by Jerry.
Static force must be ________ than gravity for hair to stand up
A. less
B. greater
C. equal to
D.oppositional
PLEASE HELP
Answers
equal to
explanation:
5a) A student needs to know the density of rock so she can identify it. Its mass was 14.7g. She used water displacement to find the rock's volume. When she put the rock in a graduated cylinder with water, the volume increased from 50mL to 53.0mL. What is rock's volume? Remember units.
Answers
Answer:
3×10^-6
Explanation:
1m³=1×10^-6cm³
is the thermal energy transferred in a refrigerator primarily by conduction,convection or radiation? explain your answer
Answers
Answer: Convection
Explanation: convection is the most present process in the refrigeration equipment you may deal with. It occurs mainly in the fluids
What do you think is the main advantage of the Scientific Method approach to understand the physical world and an alternative like astrology? Please explain.
Answers
The main advantage of the scientific method is that it is a systematic and objective way to acquire knowledge. The scientific method is a process for acquiring knowledge that has been used to great success in understanding the physical world. Astrology, on the other hand, is based on subjective interpretations of the positions of the stars and planets.
The scientific method is a process for acquiring knowledge that has been used to great success in understanding the physical world. It is based on the following steps:
1. **Observation:** The scientist observes a phenomenon and asks questions about it.
2. **Hypothesis:** The scientist proposes a hypothesis, or a possible explanation for the phenomenon.
3. **Experimentation:** The scientist designs experiments to test the hypothesis.
4. **Data analysis:** The scientist collects data from the experiments and analyzes it.
5. **Conclusion:** The scientist draws a conclusion about the hypothesis based on the data analysis.
The scientific method is an iterative process, meaning that the scientist may go back and forth between the different steps as needed.
Astrology, on the other hand, is a system of divination that attempts to predict future events by interpreting the positions of the stars and planets. Astrology is not based on the scientific method, and there is no evidence that it is a reliable way to predict the future.
The main advantage of the scientific method is that it is a systematic and objective way to acquire knowledge. The steps of the scientific method are designed to minimize bias and to ensure that the results of the experiments are repeatable. This makes the scientific method a reliable way to learn about the physical world.
Astrology, on the other hand, is based on subjective interpretations of the positions of the stars and planets. There is no scientific evidence to support the claims of astrology, and the results of astrological predictions are not repeatable.
In conclusion, the scientific method is a more reliable way to understand the physical world than astrology. The scientific method is based on a systematic and objective approach to acquiring knowledge, while astrology is based on subjective interpretations of the positions of the stars and planets.
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An Object with a mass o 5.13kg placed on top of a spring compresses it by 0.25m (a) what is the force constant of the spring (b) How high will this object go when the spring releases its energy?
Answers
The force constant of the spring is 200.696 N/m & The height the object achieves when the spring releases its energy is 2.5087 m
The spring constant is the force needed to stretch or compress a spring, divided by the compressive or expansive distance. It's used to determine stability or instability in the spring, and therefore the system it's intended for. we know,
F = kx
Therefore,
k = F/x
We also know that the force being exerted on the spring is equal to the mass of the object. Hence, F = mg = 5.13 * 9.8 N = 50.174 N and we know compression due to the mass is 0.25m. Therefore,
K = 50.174/0.25 N/m
K = 200.696 N/m
Therefore, The Spring Constant is 200.696 N/m
On release, the spring potential energy gets converted to kinetic energy. Hence, on release, the height attained by the object is given by:
h = \(1/2 kx^{2}\)
We know that k=200.696 N/m and x=0.25 m. Therefore the height is:
h = \(1/2 (200.696 N/m)(0.25 m)^{2}\)
h = 2.5087 m
Therefore, the force constant of the spring is 200.696 N/m & The height the object achieves when the spring releases its energy is 2.5087 m
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(a) A certain parallel-plate capacitor has plates of area 4.00m2 , separated by 0.0100 mm of nylon, and stores 0.170 C of charge. What is the applied voltage
Answers
The applied voltage is 1.41* 10⁴ kV.
Calculation of applied voltage-
The capacitance of parallel plates in the absence of a dielectric is:
C = ∈₀A/d
where, "d" = the spacing between the plates = 0.01 * 10⁻³ m
"A" = the area of the plates = 4 m²
"∈₀" = the constant = 8.85419*10⁻¹² C²/Nm²
So, C₀ = \(\frac{8.85419*10^{-12}*4 }{0.0100*10^{-3} }\)
= 3541.67 *10⁻⁹ F
The dielectric constant, κ= 3.4, is defined as:
κ = C/C₀
The effective capacitance (with the dielectric) is denoted by "C", whereas the original capacitance is denoted by "C₀". (without the dielectric).
As a result, the new capacitance is:
C = κC₀
However, capacitance is connected to a voltage by:
C = Q/V
utilizing the increased capacitance and accounting for "V":
κC₀ = Q/V
V = Q/κC₀ = \(\frac{0.170}{3.4 * 3541.67 *10^{-9} }\) = 1.41* 10⁴ kV
Therefore the applied voltage is 1.41* 10⁴ kV.
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combining the two values calculated above tells us the total momentum before the collision. the total momentum of cart 1 and cart 2 before the collision is 0.01 . if you were to do the same calculations to determine the momenta of each cart after the collision and then combine them, you would find that the total momentum of cart 1 and cart 2 after the collision is -0.022 . therefore, the change in momentum (change = final -initial) pf the whole sistem from before the coallision is -0.03. this is one trial. Which of the following statements is most true?
A)There must be a calculation error, because momentum should be conserved in this collision.
B)This demonstrates that momentum is not conserved in this collision.
C)This demonstrates that the motion detector is not precise enough to conduct this
experiment.
E)More trials will not improve the sensitivity of the motion detectors, so there is no point in
collecting more data.
F)Averaging the change in momentum for multiple trials can tell us whether momentum is not
conserved here or the motion detector is imprecise.
Answers
Answer:
b
Explanation:
increasing the number of slits in a diffraction grating sharpens the maxima. explain why
Answers
Increasing the number of slits in a diffraction grating can sharpen the maxima because it increases the constructive interference between the diffracted waves.
When light passes through a diffraction grating, it is diffracted into several orders of maxima, which are bright spots on a screen where the diffracted waves constructively interfere with each other. Each order of maxima corresponds to a different angle of diffraction, which depends on the spacing between the slits in the grating, the wavelength of the light, and the angle of incidence.
As the number of slits in the grating increases, the spacing between the slits decreases, which leads to a greater phase difference between the diffracted waves. This means that the waves interfere more constructively at the angles of diffraction corresponding to the maxima. This constructive interference results in sharper and more intense maxima, which are more distinct and easier to observe.
In other words, the increased number of slits in the grating creates a more finely spaced pattern of interference, which enhances the contrast between the bright maxima and dark regions of destructive interference. Therefore, increasing the number of slits in a diffraction grating can sharpen the maxima and improve the resolution of the diffracted light.
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