Example of extensive property

Please fast

Answer:

1.96m/s^2

Explanation:

According to Newtons second law;

F = ma

a = F/m

a = nR/m

a = nmg/m

a = ng

n is he coefficient of friction = 0.2

g  = 9.8m/s^2

a = 0.2 * 9.8

a = 1.96m/s^2

Hence the acceleration of the box is 1.96m/s^2

Answer:

Explanation:

Using Snell's law, we can find the angle the transmitted ray will make with the normal:

\(n1sin(theta1) = n2sin(theta2)\)

Where \(n1\) is the refractive index of the incident medium (air), \(theta1\) is the angle the incident ray makes with the normal, \(n2\) is the refractive index of the second medium (glass), and \(theta2\) is the angle the transmitted ray makes with the normal.

\((1.00)(sin(31)) = (1.6)(sin(theta2))\)

\(theta2 = sin^(-1)((1.00)*(sin(31))/(1.6)) = 19 degrees (rounded to two significant figures)\)

\(theta1 = theta_r\)

where \(theta_r\) is the angle the reflected ray makes with the normal.

Answer:

A incresing speading up

Explanation:

Let's consider a uniformly charged rod with length "l" and line charge density "λ." A quadrant of a circle with radius "R" is formed by bending the rod. We have to find out the magnitude of the electric field at the center of the circle. Let's assume that the arc is made up of n sections.

For small segments of the arc, we can assume the electric field is constant and perpendicular to the segments. Hence, we can treat each segment as a point charge with the amount of charge given by dq = λ × ds. Here, "ds" is the small length of the arc segment, and "λ" is the line charge density. The distance from each segment to the center of the arc is equal to R.

Let's find out the magnitude of the electric field at the center of the circle by using the formula;

E = ∫ dE

The formula for the electric field due to a point charge q at a distance r is:

E = k × (q / r²)

Here, k is Coulomb's constant, which is equal to 9 × 10⁹ Nm²/C².So, we can write the equation for dE as;d

E = k × dq / r² Now, let's substitute the value of "dq" into the above equation;

dE = k × λ × ds / R² For a quadrant of a circle, we have a total length of πR/2. If we divide the arc into n sections, each section will have a length of (πR/2) / n. Hence, we can write the total electric field at the center as;

E = ∑ dE

= k × λ × (∑ ds / R²)

= k × λ × (∑ (πR/2) / n × R²)

= (kλπR) / (2n)

As we know, the line charge density (λ) = q/l. So, we can rewrite the above equation as:

E = (kqπR) / (2nl)

Therefore, the magnitude of the electric field at the center of the circle is given by; E = (kqπR) / (2nl)

To know more about charged visit:

https://brainly.com/question/32449686

#SPJ11

The energy the bullet have when it leaves the barrel is 2000 J

The energy of the bullet when it leaves the barrel can be obtained as illustrated below:

Energy is defined as the ability to do work.

Energy (E) = Work (W)

Work (W) = force (F) × distance (d)

W = Fd

Thus,

E = W = Fd

E = 4000 × 0.5

E = 2000 J

From the above calculation, we can conclude that the energy of the bullet is 2000 J

Learn more about energy:

https://brainly.com/question/8623863

#SPJ1

Answer:

AN average heavy weight is 175 pounds. The heaviest weight ever recorded though was 1,400 pounds, or 635 kilograms.

The velocity to time graph of the robots can be used to calculate the displacement and distance traveled by the robot.

6) The magnitude of the displacement of the robot for the entire time interval shown is (ii) greater in Case B

7) The rank of the distance traveled during the intervals is as follows;

\(\begin{vmatrix}D| &A | &C | &B | &E| &F \\\end{vmatrix}\)

A velocity time graph describes the changes in the motion of a straight moving object

6) The displacement is given by the area under the velocity time graph.

The area is obtained by drawing a vertical line at the tip of the graph of the velocity to time of each of the robots

The area of a triangle = 0.5 × Base length × Height

The time interval in Case A is the same as the time interval in Case B which is taken as t

The time at which the velocity of the robot is 0 in figure (i) is approximately 0.5·t

The initial velocity in Case A = -v

The final velocity = v

The area under the curve in Case A, which gives the displacement is therefore;

Displacement in Case (A) = 0.5 × 0.5·t × (-v) + 0.5 × 0.5·t × (v) = 0

The magnitude of the initial velocity of the robot in Case B is half the magnitude of the final velocity of the robot

Similarly, the time at which the velocity of the robot in Case B is 0 is a third of the total time of motion

The displacement of the robot in Case B is therefore;

Displacement = 0.5 × (1/3)·t × (0.5·v) + 0.5 × (2/3)·t × (-v) = -0.25·v·t

The magnitude of the displacement in Case B = |-0.25·v·t| = 0.25·v·t > 0

The magnitude of the displacement in Case B is > The magnitude of the displacement in Case A

The correct option is therefore (ii) greater in Case B

7) The distance traveled is given by the area bounded by the curve as follows;

A. Shape of region bounded by the graph = Rectangle

Initial velocity = Constant = -1 unit

Time of travel = 5 unit

Area = -1 × 5 = -5 units

B. Shape of graph = Triangle

Initial velocity = 1.5 units

The final velocity = 0

Change in velocity = 1.5 - 0 = 1.5

The time = 5 unit

Area = 0.5 × 5 × 1.5 = 3.75

The distance = 3.75 units

C. Starting velocity = -1.7 units

The final velocity = 0

Change in velocity = -1.7

Time = 5 units

Distance ≈ 0.5 × 5 × -1.7 = -4.25

D. Shape of graph = Rectangle

Initial velocity ≈ 1.7 units (Constant)

Time = 5 units

Distance = 5 × 1.7 = 8.5

E. Shape of graph = Two congruent triangles

Initial velocity = -1 unit

Time it takes to increase to a velocity of 0 = 2.5·t

Final velocity = 1 unit

Time it takes to increase to from a velocity of 0 to a velocity of 1 = 2.5 units

Distance = Sum of the area of the two triangles

Displacement = 0.5 × 2.5 × -1 + 0.5 × 2.5 × 1 = 0

Distance = 0.5 × 2.5 × 1 + 0.5 × 2.5 × 1 = 2.5

F. Shape of area bounded by the graph = Positive triangle

Height of the triangle = 1 unit

Base length of the triangle = 5 units

Area of the triangle = Distance = 0.5 × 5 × 1 = 2.5

The rank of the distance travelled during the intervals is therefore;

D(8.5), A(-5), C(-4.25), B(3.75), E(2.5), F(2.5)

The distance is a measure of the motion of the robot such that the forward and backward motion are added together

Learn more about the velocity time graph here:

https://brainly.com/question/26209293

#SPJ1

Answer: I'm sorry what's wrong with your money

Explanation:

Answer: LOL YO I HAVE 5K IN GROUP FUNDS

Explanation:

Answer:

.................... protons :)

Answer:

protons

The two subatomic particles that have the same mass are protons and neutrons.

Answer:

c)both

Explanation:

The laws of reflection hold true for all the reflecting surfaces either spherical or plane. Therefore, the plane mirror, concave mirror and the convex mirror all will follow the laws of reflection.

Answer:

It holds for only plane mirrors

It states that the angle of incidence is equal to the angle of reflection.

This is only possible in plane mirrors only

The ultraviolet (UV) radiations in the stratosphere are primarily absorbed by a layer of gas called the ozone layer.

The ozone (O3) molecules in the ozone layer have the ability to absorb UV radiation, particularly in the UV-C and most of the UV-B regions of the electromagnetic spectrum. When UV radiation interacts with ozone molecules, it can cause the breaking and reformation of ozone bonds, resulting in the absorption of UV energy.

This absorption process is important because it prevents a significant amount of UV radiation from reaching the Earth's surface. It acts as a protective shield against harmful UV rays that can have detrimental effects on living organisms, including increased risk of skin cancer, cataracts, and damage to marine ecosystems.

It's important to note that not all UV radiation is absorbed by the ozone layer. Some UV-B and a majority of UV-A radiation reach the Earth's surface, but they are less harmful compared to the shorter wavelength UV-C radiation that is almost entirely absorbed by the ozone layer.

Hence, The ultraviolet (UV) radiations in the stratosphere are primarily absorbed by a layer of gas called the ozone layer.

To know more about ultraviolet (UV) radiations here

https://brainly.com/question/4144192

#SPJ4

On March 17, 2019 Chloe Cunliffe, a senior high school student from West Seattle High School, vaulted 4.48 m to earn the position of top female athlete in the United States. If Chloe weighed 49 kilograms on the day of the jump, her maximum potential energy was (P)= 2.15 kJ.

Energy is a physical term that means a object of mass m how much work have been done on it. It called the energy. It can be measured by Joule.

To calculate the energy we are using the formula,

P=mgh

Here we are given,

m= The mass of the body. = 49 kg.

g= The acceleration due to gravity. = 9.8 m/s²

h= The height of the jump. = 4.48 m

Now we have to calculate the potential energy of the body = PJ.

Now we put the values in above equation,

P=mgh

or, P= 49*9.8*4.48

Or, P=2,151.296 J

Or, P=2.151 kJ

So we can say that, If Chloe weighed 49 kilograms on the day of the jump, her maximum potential energy was (P)= 2.15 kJ.

Learn more about potential energy:

https://brainly.com/question/1242059

#SPJ13

If two waves in the same space interfere completely constructively, the amplitude increases.

What is amplitude of a wave?

It is the maximum displacement moved by the wave from its point of equilibrium.

The constructive interference in the two waves occurs when both the waves come together and this results in them being in phase with each other. This means that the oscillation at the given point are in the same direction and due to this the resulting amplitude is larger than the amplitude of the particular wave. Constructive interference can produce a significant increase in the amplitude. For example: if 100 waves of equal amplitude interfere constructively, then the amplitude is 100 times more than the actual amplitude of the wave.

To know more about amplitude, click on the following link

https://brainly.com/question/3613222

#SPJ1

The given problem involves predicting the major mixed aldol product of a condensation reaction between 1-(methylcyclohexy)(phenyl)methanone and propionaldehyde in the presence of sodium hydroxide. The product could be in either E or Z form, which refers to the stereochemistry of the product.

To solve the problem, we need to understand the mechanism of aldol condensation and the factors that determine the stereochemistry of the product. In general, aldol condensation involves the reaction of an aldehyde or ketone with an enolate ion, which is formed by treating a ketone or aldehyde with a strong base.In this specific case, we are dealing with a mixed aldol reaction, which involves the reaction of two different carbonyl compounds.

The product of the reaction will depend on the relative reactivity of the two carbonyl compounds and the stereochemistry of the product.By considering the structures of the reactants and the mechanism of the reaction, we can predict the major mixed aldol product and its stereochemistry. The final answer is a specific chemical structure that represents the major product of the reaction.Overall, the problem involves applying the principles of organic chemistry and the mechanism of aldol condensation to predict the major mixed aldol product of a specific reaction. It also requires an understanding of stereochemistry and how it can be predicted based on the reactants and reaction conditions.

For more similar questions on topic Organic Chemistry.

https://brainly.com/question/12678592

#SPJ11

Latency refers to the delay between an input signal being sent and the response of the system to the input signal. It's frequently used to measure the time it takes for a data packet to traverse a network. It can also be used to measure the time it takes for a hardware or software system to process input and respond to it. To solve the given question, we need to know the input and output details of the system and the frequency of input signal polling.

So, given that a system is designed to pool an input pin every 50 ms, and the minimum, maximum, and average latency that should be seen by the system over time. To solve for minimum latency, we can assume that the system responds immediately upon polling the input pin. Therefore, the minimum latency is the time taken to poll the input pin, which is 50 ms. For maximum latency, we can assume that the system does not respond to the input signal at all until the next time it is polled. As a result, the maximum latency is 100 ms, which is two polling periods.

Finally, to calculate the average latency, we must add the minimum and maximum latencies and divide by 2. This gives us: Minimum latency = 50 ms Maximum latency = 100 ms Average latency = (50 ms + 100 ms) / 2 = 75 ms Therefore, the minimum latency is 50 ms, the maximum latency is 100 ms, and the average latency is 75 ms.

To know more about Time and Work here:

https://brainly.com/question/8632803

#SPJ11

Answer:

use disk drill to recover files

Explanation:

26.676 × 10³ kg is the weight of the aluminum rod.

Given:

Length of cylindrical rod (h) = 45 cm

Diameter of a cylindrical rod = 4.53 cm

Radius of a cylindrical rod (r) = 2.3 cm

The density = 3.7*10^3kg/m^3

Volume of a cylindrical rod = πr²h

                                             = 3.14× (2.3)² × 45

                                             = 747.89 cm

                                             = 7.4789 m

To find weight ;

                         ρ = \(\frac{Mass}{Volume}\)                  ; ρ = Density

                        Mass = ρ × Volume

                                  = 3.7 × 7.48 × 10³

                                  =27.676 × 10³ kg

Therefore, the weight of the aluminum rod is 27.676 × 10³ kg.

Learn more about specific weight here:

https://brainly.com/question/13178675

#SPJ4

The possible potential difference between the truck's top and bottom side panels is 1.39 x 10^-4 V.

The potential difference between two points in an electric circuit is given by the product of the magnetic field, the cross-sectional area of the conductor, and the component of velocity perpendicular to the magnetic field.

The potential difference between the top and bottom of the truck's side panels can be calculated using the following formula:

V = Blv

Where:

V = potential difference (V)

B = magnetic field (T)

l = length of conductor (m)

v = velocity of conductor perpendicular to the magnetic field (m/s)

Given that the magnetic field is B = (5.0 x 10^-5 T, north) and the truck is moving west at 50 km/hr = 13.89 m/s, the potential difference between the top and bottom of the truck's side panels can be calculated as:

V = Blv = (5.0 x 10^-5 T) * (2.0 m) * (13.89 m/s) = 1.39 x 10^-4 V

It is important to note that the magnetic field is pointing north and the truck is moving west, so the velocity of the truck is perpendicular to the magnetic field, which means that the potential difference is not zero. Also, it is important to note that the velocity of the truck is given in km/hr and needs to be converted to m/s before using it in the equation.

To know more about potential difference please refer: https://brainly.com/question/12198573

#SPJ4

Answer:

The answer to your question should be D.

Explanation:

reactants are on the laft side of arrow and products are on right side of arrow

The option that best represents a chemical reaction is Reactants → products. Thus, the correct option for this question is D.

A chemical reaction may be defined as a methodology through which one or more substances that are also called reactants, are significantly transformed into one or more different substances which are known as products.

The involvement of these reactants and products are either chemical elements or compounds. The mass of the chemical reaction remains the same but the state of matter may be altered. Some chemical reactions also involved the utilization of catalysts in order to proceed with the reaction fast by lowering its activation energy.

Therefore, reactants → products is an option that best represents a chemical reaction.  Thus, the correct option for this question is D.

To learn more about Chemical reactions, refer to the link:

https://brainly.com/question/11231920

#SPJ2

Answer:

The triple point for carbon dioxide is -70°F (-57ºC) at 5.2 atm.

Explanation:

5.2 atm is 5.2 times the air pressure at sea level, the reason why this is included is because liquid CO² cannot exist below 5.2 atm, as if it were lower it would evaporate due to submilation.

Although the temperature of the triple point of carbon dioxide is -70°F (-57ºC), the pressure present is around 5. 2 atmospheres.

Carbon dioxide can adopt all three states of matter - solid, liquid, and gas - at a precise configuration of pressure and temperature. The triple point is a precise state in which the three phases exist simultaneously and are in balance.

If the triple point conditions are not obeyed, carbon dioxide may go through changes in its physical state, such as transforming into a gas or a liquid, which will be determined by fluctuations in temperature and pressure.

Read more about temperature here:

https://brainly.com/question/25677592

#SPJ4

\( \sf \nu \: = \lambda \times \upsilon\)

\( \sf \nu = 3 \times 15\)

\( \sf \nu \: = 45 \: m/s\)

➪The speed of ocean waves is 45 m/s...~

The given series, 1 + 7n Σ 57 n = 1, is divergent because the terms in the series continue to increase without bounds, the sum of the series also increases indefinitely.

To determine the convergence or divergence of the series, we can analyze its behaviour as n approaches infinity. The series can be written as Σ(1 + 7n*57) for n = 1 to infinity. By simplifying the expression, we have Σ(399n + 1) for n = 1 to infinity.

As n increases, the summand of the series grows linearly with a coefficient of 399. Since the coefficient is nonzero and positive, the series will diverge. This means that the sum of the series will not approach a finite value as n tends to infinity.

Therefore, the given series is divergent, and we cannot find its sum. It is important to note that a divergent series does not have a finite sum. Therefore, the sum of the given series is "DIVERGES."

Learn more about convergence here:

https://brainly.com/question/28501133

#SPJ11

Answer: The extension of the spring when a mass of 30g is hung from it is approximately 1.29 cm.

Explanation: Hooke's Law states that the extension of a spring is directly proportional to the force applied to it, as long as the elastic limit of the spring is not exceeded. The formula for Hooke's Law is:

F = k * x

Where: F is the force applied to the spring k is the spring constant (a measure of the stiffness of the spring) x is the extension of the spring

To find the extension when a mass of 30g is hung from the spring, we need to determine the spring constant first. We can use the given information to calculate it.

Given: Mass = 20g Extension = 0.86cm = 0.86/100 = 0.0086m (converting cm to meters)

We know that weight (force) is equal to mass times acceleration due to gravity:

F = m * g

Where: F is the force (weight) m is the mass g is the acceleration due to gravity (approximately 9.8 m/s²)

Substituting the given values:

F = (20g) * (9.8 m/s²) = 0.02kg * 9.8 m/s² = 0.196 N

Now we can calculate the spring constant:

0.196 N = k * 0.0086 m

k = 0.196 N / 0.0086 m ≈ 22.79 N/m

With the spring constant determined, we can now calculate the extension when a mass of 30g is hung from the spring:

Mass = 30g Weight = (30g) * (9.8 m/s²) = 0.03kg * 9.8 m/s² = 0.294 N

Using Hooke's Law:

0.294 N = (22.79 N/m) * x

Solving for x:

x = 0.294 N / 22.79 N/m ≈ 0.0129 m

Converting the result to centimeters:

x ≈ 0.0129 m * 100 = 1.29 cm

Therefore, the extension of the spring when a mass of 30g is hung from it is approximately 1.29 cm.

To know more about Hooke's law ,

brainly.com/question/32494074

Photovoltaic cells are the best way to generate renewable energy and meet electrical needs. However, in practice, many factors limit their efficiency. These factors include darkness, various weather conditions, maintenance, and the angle of the Sun. Each photovoltaic cell can produce up to 15% efficiency.

Hence to meet the electrical needs of a cabin, it is essential to calculate the number of photovoltaic cells required.The efficiency of each photovoltaic cell is 15%. Therefore, 100/15 = 6.66 solar panels would be required to meet the electrical needs of the cabin. However, this is an estimated value and depends on various factors such as the cabin's location, power consumption, weather conditions, etc.

To accurately determine the number of photovoltaic cells required, it is essential to perform an energy audit of the cabin. An energy audit helps determine the cabin's energy consumption and identifies energy-saving opportunities. The energy audit also considers the cabin's location and weather conditions, which helps to accurately determine the number of photovoltaic cells required.

In conclusion, if the photovoltaic cells operate at 15% efficiency, 6.66 solar panels would be required to meet the electrical needs of the cabin. However, to determine the accurate number of photovoltaic cells required, an energy audit is necessary. The audit considers the cabin's energy consumption, location, and weather conditions, which helps to accurately calculate the number of photovoltaic cells required.

To know more about Photovoltaic visit:

https://brainly.com/question/18417187

#SPJ11

To determine the magnitude of the acceleration of the motorcycle, we need to know the force of friction acting on the wheels. The force of friction is equal to the coefficient of friction multiplied by the normal force acting on the wheels, which is equal to the weight of the motorcycle and rider. The weight of the motorcycle and rider can be calculated by multiplying the mass by the acceleration due to gravity (9.8 m/s^2). So, the force of friction acting on the wheels of the motorcycle is equal to 0.88 * 196 kg * 9.8 m/s^2 = 1661.28 N.

The acceleration of the motorcycle is equal to the force of friction divided by the mass of the motorcycle and rider. So, the acceleration of the motorcycle is equal to 1661.28 N / 196 kg = 8.45 m/s^2.

Answer:  8.45 m/s^2