The lowest-pitch tone to resonate in a pipe of length L that is closed at one end and open at the other end is 200 Hz. Which one of the following frequencies will NOT resonate in the same pipe

a. 1800 Hz
b. 1000 Hz
c. 1400 Hz
d. 600 Hz
e. 400 Hz

A ) Speed is a scalar quantity and velocity is a vector quantity.

Stress = Force / Area

Stress required = 3,200 N/m^2

Area = side ^2 = 1.5^2 = 2.25 m^2

Force = 4,500 N

Replace with the values given:

S = 4,500/2.25 = 2000 N/m^2 ( less than 3,200)

Correct answer:

NO, because it was able only to withstand a stress of 2000 N/m^2

The elevator's speed after moving 10 meters is 1.6*105 N, the work done by gravity is 1.47 * 103 N, the elevator's kinetic energy is 13897.5 J, and the elevator's speed after rising to 10 meters is 4.312 m/s. The tension in the cable is 0.87 m/s6.

the Cable is tense

T=m(g+a)=g+a=T/m=16*103/ 1500=10.67 m/s2

a = 10.67 - 9.8 = 0.87 m/s6^2

the speed of the elevator after 10 meters.

U^2 = u^2 +2as

= 1.22 +2*0.87*10

=1.6*10^5 N

Gravitational work =mg * 10 = 14700 * 10 = 1.47 * 103 N.

Elevator Kinetic Energy = 1⁄2 a mv2 or 1/2*1500*18.53 or 13897.5J.

speed of elevator after ascending to 10 m,

U^2 = u^2 +2as = 1.2 +2*0.87*10 = 18.6

U =(18.6)^1/2=4.312 m/s

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Answer:

Explanation:

These incident and reflected waves pass each other, going in opposite directions. Interference results in a standing wave, i.e., a stationary wave pattern equal to the sum of the incident and reflected waves.

Answer:

7000 meters

Explanation:

obviously 99.99 is less than 7000

10 cubed is 10 × 10 × 10, 1000, × 4.5 is 4500, which is less than 7000

10 squared is 100, which × 9 is only 900, which is also less than 7000

have a good day

Answer:

The importance of learning is that it helps the individual to acquire the necessary skills through learning and knowledge so that he can achieve his set goals. An important fact about learning is that it is a means to improve knowledge and gain skills that will help in reaching specific goals.

Explanation:

The importance of learning is that it helps the individual to acquire the necessary skills through learning and knowledge so that he can achieve his set goals. An important fact about learning is that it is a means to improve knowledge and gain skills that will help in reaching specific goals.

After several contacts with a charged ball, the charge on the rod will become negatively charged on end A with end B remaining almost neutral.

When the charged ball is touched to end A, some of its negative charges will be transferred to the rod and deposited at end A, increasing the negative charge on that end. End B will remain neutral or nearly neutral since no charge has been transferred to it.

The process of charging a rod by contact with a charged ball is called "contact charging." In this process, electrons from the charged ball transfer to the rod, causing the rod to become charged.

When the charged ball is touched to end A of the rod, electrons from the ball are transferred to the rod and accumulate at that end, giving it a negative charge.

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It will take about 2,500 dump trucks to haul the material. Assuming the capacity of the dump truck is 16 cubic yards.

Note: A standard dump truck is between 10 -16 cubic yards.

1 cubic yard = 27 cubic feet.

from the question:

40,000 cubic yards= 65 cubic feet

hence,

Assuming the dump truck capacity is 16 cubic yards

Then,

number of dump trucks = 40,000 cubic yards/16 cubic yards

                                      =2,500

Therefore a dump truck of 16 cubic yards capacity, will need about 2,500 dump trucks to haul the material totaling 40,000 cubic yards.

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Answer:

The kinetic molecular theory states that all matter is made up of particles that are in constant motion. On a cold autumn morning, the air particles in the air mattress would have slowed down and become more compact. This would cause the air mattress to become flatter than it was when it was initially blown up the afternoon before, since there would be fewer air particles inside the mattress to take up space.

Explanation:

Thanks for the Question!

For a rectangular storage tank filled with paraffin to a depth of 2 m, the volume, weight, mass of paraffin, and pressure at the bottom of the tank are:

a. The volume is 24 m³.

b. weight is 240,000 N,

c. mass is 24,490 kg, and

d. pressure is 23,530 Pa.

a) The volume of paraffin in the rectangular storage tank can be calculated using the formula:

Volume = Length x Width x Depth

Given:

Length = 4 m

Width = 3 m

Depth = 2 m

Substituting the values into the formula, we have:

Volume = 4 m x 3 m x 2 m

Volume = 24 m³

Therefore, the volume of paraffin in the tank is 24 cubic meters.

b) The weight of the paraffin can be calculated using the formula:

Weight = Volume x Density x Acceleration due to gravity

The density of paraffin varies, but we can assume a typical value of 10,000 kg/m³. The acceleration due to gravity is approximately 9.8 m/s². Substituting these values into the formula:

Weight = 24 m³ x 10,000 kg/m³ x 9.8 m/s²

Weight = 240,000 N

Therefore, the weight of the paraffin in the tank is 240,000 Newtons.

c) The mass of the paraffin can be calculated using the formula:

Mass = Density x Volume

Substituting the given values:

Mass = 10,000 kg/m³ x 24 m³

Mass = 24,490 kg

Therefore, the mass of the paraffin in the tank is 24,490 kilograms.

d) The pressure at the bottom of the tank due to the paraffin can be calculated using the formula:

Pressure = Weight / Area

The area of the bottom of the tank is equal to the length multiplied by the width. Substituting the values:

Area = 4 m x 3 m

Area = 12 m²

Pressure = 240,000 N / 12 m²

Pressure = 20,000 Pa

Therefore, the pressure at the bottom of the tank due to the paraffin is 20,000 Pascals (Pa).

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1) The force acting on the object during the time interval 0-3 seconds is 1/3 N.

2) The force acting on the object during the time interval 6-10 seconds is -0.5 N.

3) There is no time interval in which no force acts on the object.

(i) Force acting on the object in time interval 0-3 seconds. Force acting on the object is equal to the product of its mass and acceleration, i.e.,F = ma.

In the given velocity-time graph, the acceleration of the object can be determined by determining the slope of the velocity-time graph from 0 to 3 seconds.

Slope = (change in velocity) / (change in time)= (20-0) / (3-0) = 20/3 m/s^2

Acceleration, a = slope= 20/3 m/s^2

Mass of the object, m = 50 g = 0.05 kg

∴ Force acting on the object, F = ma= 0.05 × 20/3= 1/3 N.

Therefore, the force acting on the object during the time interval 0-3 seconds is 1/3 N.

(ii) Force acting on the object in time interval 6-10 seconds. Similar to the first question, the force acting on the object in time interval 6-10 seconds can be determined by determining the acceleration of the object during this time interval.

The slope of the velocity-time graph from 6 seconds to 10 seconds can be determined as follows:

Slope = (change in velocity) / (change in time)= (-20-20) / (10-6) = -40/4= -10 m/s^2 (negative sign indicates that the object is decelerating)

Mass of the object, m = 50 g = 0.05 kg

∴ Force acting on the object, F = ma= 0.05 × (-10)= -0.5 N.

Therefore, the force acting on the object during the time interval 6-10 seconds is -0.5 N.

(iii) Time interval in which no force acts on the object. There is no time interval in which no force acts on the object. This is because, as per Newton's first law of motion, an object will continue to remain in a state of rest or uniform motion along a straight line unless acted upon by an external unbalanced force.In other words, if the object is moving with a constant velocity, there must be a force acting on the object to maintain its motion.

Therefore, there is no time interval in which no force acts on the object.

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If the impulse is strong enough and lasts for a sufficient amount of time, the go-kart will eventually come to a stop.

Option A is correct.

impulse is described as the integral of a force, F, over the time interval, t, for which it acts. Since force is a vector quantity, impulse is also a vector quantity.

If the force is insufficient to stop the go-kart entirely, it will slow down but continue to move. The force and duration of the impulse, along with the mass and speed of the go-kart, will all affect how much deceleration occurs.

Given that momentum plus impulse equals zero, the go-kart's change in momentum as a result of the impulse will be equal in amount but will move in the opposite direction of its original momentum.

As a result, the go-kart's final momentum will be zero, suggesting that it has either stopped or is travelling very slowly.

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The syllogisms constructed from the given statements are valid, except for the one syllogism identified as invalid.

Categorical syllogisms are logical arguments that involve two premises and a conclusion, all of which are categorical statements. These statements are formed using categorical propositions that involve classes or categories of objects or concepts.

Let's examine the given statements and identify the valid and invalid syllogisms:

All mumbling is murmuring: This statement indicates that the class of mumbling is entirely contained within the class of murmuring. It can be represented as "All M is M."

All mumbling is nonsensical: This statement suggests that the class of mumbling is entirely nonsensical. It can be represented as "All M is N."

No murmuring is sensical: This statement implies that there is no overlap between the class of murmuring and the class of sensical. It can be represented as "No M is S."

Now, let's construct the syllogisms using these statements:Syllogism 1:

Premise 1: All M is Mumbling

Premise 2: All Mumbling is Nonsensical

Conclusion: Therefore, All M is Nonsensical

This syllogism is valid because it follows the form of the categorical syllogism, where the conclusion is a valid inference based on the premises.

Syllogism 2:

Premise 1: All Mumbling is Murmuring

Premise 2: No Murmuring is Sensical

Conclusion: Therefore, No M is Sensical

This syllogism is also valid as it follows the form of the categorical syllogism, where the conclusion is a valid inference based on the premises.

Syllogism 3:

Premise 1: All Mumbling is Nonsensical

Premise 2: No Murmuring is Sensical

Conclusion: Therefore, No Mumbling is Murmuring

This syllogism is valid as it follows the form of the categorical syllogism, where the conclusion is a valid inference based on the premises.

Invalid Syllogism:

Premise 1: All Mumbling is Murmuring

Premise 2: All Mumbling is Nonsensical

Conclusion: Therefore, All Murmuring is Nonsensical

This syllogism is invalid. It commits the fallacy of undistributed middle, where the middle term (Mumbling) is not properly distributed in either premise, leading to an invalid conclusion.

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The cannon will completely stop when it collides with the barrier.

To calculate the speed at which the cannon collides with the barrier, we can follow these step-by-step calculations:

Determine the initial momentum of the system.

Since the cannon is initially stationary, the initial momentum is zero.

Apply the conservation of linear momentum.

According to the principle of conservation of linear momentum, the initial momentum of the system (zero) is equal to the final momentum of the system. The final momentum is the momentum of the cannon after firing.

Calculate the final momentum of the system.

Let's assume the mass of the cannon is represented by 'm' and the final velocity of the cannon is represented by 'v'. The final momentum of the system is given by: final momentum = m × v.

Set up the equation.

Since the initial momentum is zero, we have: 0 = m × v.

Solve for the final velocity of the cannon.

Dividing both sides of the equation by 'm', we get: v = 0.

Interpret the result.

The calculation shows that the final velocity of the cannon is zero. This means that the cannon comes to a complete stop when it collides with the barrier.

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Answer:

It’s D

Explanation:

The cells from mitosis are identical to each other and to the parent cell, but the cells from meiosis are not identical to each other or the parent cell. Hence, option (A) is correct.

Chromosome replication and equitable distribution between the two daughter cells occur during the cell division process known as mitosis. Each daughter cell has the same number of chromosomes as the parent cell, making them diploid. Thus, mitosis is sometimes referred to as equational division.

Meiosis is a type of cell division that describes how germ cells divide, resulting in the fission of two nuclei. The two nuclear fissions, known as meiosis 1 and meiosis 2, result in the formation of four sex cells known as gametes. The number of chromosomes in each sex cell is divided in half from that of the parent cell. This type of cell division happens during reproduction when one cell divides into four haploid daughter cells. The nucleus divides into four daughter cells, or nuclei.

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Answer:

Absorbed sunlight is balanced by heat radiated from Earth's surface and atmosphere. ... The atmosphere radiates heat equivalent to 59 percent of incoming sunlight; the surface radiates only 12 percent. In other words, most solar heating happens at the surface, while most radiative cooling happens in the atmosphere

Answer:

From what I know they postponed the movies that were suppose to come out.

If you need to shade the part of a circle indicative of parent material, these are the guidelines:

It should be noted that to complete the shading process, employ techniques such as utilizing solid colors with pencils, markers, cross-hatching, or diagonal lines.

Ensure that you correctly portray the shaded fraction of the circle and provide clear contrasts between the unshaded segment.

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B. The resistance R of the circuit is determined as 2.0 ohms.

Ohm's Law states that the current flowing in a circuit is directly proportional to the applied potential difference and inversely proportional to the resistance.

V = IR

R = V/I

The slope of the given graph is the resistance of the circuit.

Choosing point (0 A, 0 V) and (4.5 A, 9 V)

R = ΔV/ΔI

R = (9 - 0 ) / (4.5 - 0)

R = 9/4.5

R = 2.0 ohms

Thus, the resistance R of the circuit is determined as 2.0 ohms.

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Answer:

  2 m/s²

Explanation:

You want the acceleration produced by a force on 14 kg if that same force produces an acceleration of 7 m/s² when acting on a mass of 4 kg.

For the same force, the acceleration is inversely proportional to the mass. In this problem, the mass increases from 4 kg to 14 kg, a factor of 14/4 = 7/2.

The acceleration will change by a factor that is the inverse of this: 2/7.

  acceleration of 14 kg = (7 m/s²) × (2/7) = 2 m/s²

To ensure basic human dignity in relation to safe and healthy living, governments can implement various measures such as accessible healthcare, adequate housing, and sanitation and clean water.

Governments should place a high priority on ensuring that everyone has access to healthcare services, enabling them to receive the essential medical care without suffering financial difficulty. This entails providing access to necessary pharmaceuticals, cheap healthcare, and a strong healthcare system.

All citizens should have access to affordable and good housing, according to governments. Policies may include restrictions on rental costs, programs to expand the supply of affordable housing, and efforts to combat homelessness. Basic hygienic and safety criteria should be met by housing.

Governments must make sure that everyone has access to clean, safe drinking water and adequate sanitary facilities. The spread of diseases and the maintenance of sanitary living circumstances can be aided by investments in sewage systems, water treatment facilities, and public hygiene education.

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Answer:

d jjh hhv g 7655 ijv 77_* uyfgj 3&88 huih

The Length of the rod at the freezing point of water is 9.9625 cm

Length can be defined as the measurement of the distance between two points. The S.I unit of length is meter (m)

To calculate the length of the rod at the freezing point of water, we use the formula below

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Solve for L₃

Hence, The Length of the rod at the freezing point of water is 9.9625 cm.

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Answer:

About 2104m/s

Explanation:

\(F=ma \\\\F=\dfrac{2660kg}{2}\cdot 1614m/s=2,146,620N \\\\2,146,620N=1,269kg\cdot a \\\\a\approx 1691m/s \\\\v_f=v_o+at=413m/s+1691m/s=2104m/s\)

Hope this helps!

Answer:

Explanation:

Mass ( m ) = 2 kg

Speed of the object (v) = 6 metre per second

Kinetic energy =?

Now,

We have,

Kinetic Energy = \( \frac{1}{2} \times m \times {v}^{2} \)

Plugging the values,

\( = \frac{1}{2} \times 2 \times {(6)}^{2} \)

Reduce the numbers with Greatest Common Factor 2

\( = {(6)}^{2} \)

Calculate

\( = 36 \: joule\)

Hope this helps...

Good luck on your assignment...

The Kinetic energy of the object will be "36 joules".

The excess energy of moving can be observed as that of the movement of an object, component, as well as the group of components. There would never be a negative (-) amount of kinetic energy.

According to the question,

Mass of object, m = 2 kg

Speed of object, v = 6 m/s

As we know the formula,

→ Kinetic energy (K.E),

= \(\frac{1}{2}\) × m × v²

By substituting the values, we get

= \(\frac{1}{2}\) × 2 × (6)²

=  \(\frac{1}{2}\) × 2 × 36

= 36 joule

Thus the above answer is appropriate.

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Answer:

a

Explanation:

Answer: The answer is D. KNO3

Explanation:

The graph shows that the KN03 going straight up from the temperature sign so you reversed that so that it will make it to 90°C to 30°C

To solve this we must be knowing each and every concept related to solubility. Therefore, the correct option is option D among all the given options.

The greatest amount of one material that may be dissolved in the other is referred to as its solubility. It is the most solute that may be dissolved into a solvent near equilibrium, resulting in a saturated solution.

When specific circumstances are satisfied, more solute can be dissolved further than the solubility limit point, resulting in a supersaturated solution. Adding extra solute after saturation or supersaturation does not enhance the concentration in the solution. Rather, the excess solute begins to precipitated out of solution. KNO\(_3\) is the compound that would have the greatest percentage recovered after cooling a saturated solution of that compound from 90°C to 30°C.

Therefore, the correct option is option D.

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Answer:

224.6 N

Explanation:

We can use first the formula to calculate the centripetal acceleration, given by:

\(a_c=\frac{v_t^2}{R}\)

where the Vt is the tangential velocity, and R is the radius of the circular motion.

Then, for our case we have:

\(a_c=\frac{v_t^2}{R}=\frac{3.5^2}{0.6}\approx 20.42\,\,\frac{m}{s^2}\)

And now we multiply this acceleration by Miguel's mass (11 kg) to obtain the centripetal force acting on him:

\(F_c=11 \,*\,20.42\,N = 224.6\,\,N\)

Answer:

225 N

Explanation:

Just answered the question

As one proceeds down the group of halogens, one would find that the reactivity of the elements decreases. This is because the ionic radii increase down the group. And as the ionic radii increase, the nucleus of halogens exerts a weaker pull on the valance electrons.

Thus the correct answer is option d.