Part A
Calculate the maximum increase in photon wavelength that can occur during Compton scattering.
Express your answer to three significant figures and include the appropriate units.
AA max = 4.85x10-12 m

What is the energy of the smallest-energy X-ray photon for which Compton scattering could result in doubling the original wavelength?
Express your answer in megaelectronvolts to three significant figures.

Pipe of constant radius, we can use Bernoulli's equation, which relates the pressure, velocity, and height of a fluid at two points in a flow system.the pressure of water in the pipe is approximately 105,142 Pa.

System refers to a collection of related components or parts that work together to achieve a specific goal or purpose. The concept of a system can be applied to a wide range of fields and disciplines, including science, engineering, economics, and social sciences.

In science, a system is often defined as a portion of the universe that is being studied or analyzed. This can include anything from a single atom or molecule to an entire ecosystem or planet. By defining the boundaries of a system, scientists can focus their attention on understanding the interactions and relationships between the various components within that system.

In engineering, a system refers to a collection of components that are designed to work together to perform a specific function or task. This can include everything from simple mechanical systems like gears and pulleys to complex electrical or computer systems.

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Newton's third law allows to find the result for the value of the reaction force during the collision is:

Newton's third law stable that the forces appear in pairs or ea that when two bodies interact, the interaction forces appear in the two bodies simultaneously, in general they are called action and reaction forces.

These furas are of the same magnitude, but in the opposite direction, each one applied to one of the bodies.

They indicate that the most lighter body collides with the one with the greatest mass with a force of F = 90 N. If we call this the action, the larger body must react with a force of equal magnitude on the lighter body.

Consequently, the reaction force is F = 90 N directed towards the lighter body.

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Calculating the mass of the block requires a bit of work. The formula for the volume of a rectangular solid is V = l*w*h, where V is the volume, l is the length, w is the width, and h is the height. Using the dimensions given, we can calculate the volume of the block as 30*80*60 = 144000 cubic centimeters.

The density of lead is approximately 11.34 grams per cubic centimeter. To calculate the mass of the block, we can use the formula m = V*d, where m is the mass, V is the volume, and d is the density. Plugging in the values we get m = 144000*11.34 = 1,634,400 grams or approximately 1.63 metric tons.

So, the mass of the block of lead is approximately 1.63 metric tons.

The two evidence are the car's engine gets hot as it burns gasoline are the car remains full of gasoline if its engine stays off.

The car's engine gets hot as it burns gasoline and the car remains full of gasoline if its engine stays off are the two pieces of evidence support the conclusion that the total amount of energy in a close system remains the same because when the gasoline burns, the engine gets hotter and when the car remains full of gasoline if its engine stays off which means no energy leaves the system.

So we can conclude that The two evidence are the car's engine gets hot as it burns gasoline are the car remains full of gasoline if its engine stays off.

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Answer:

Polar

Explanation:

Took the test

Answer:

Initial height

Answer:

A: the hardness of the sidewalk where the mug landed

Explanation:

did the quick check

The stretch of the spring is proportional to the weight of the mass hung from it. Since the spring stretches by 5.9 cm when a 1.6 kg mass is hung from it, we can use this information to find the stretch when a 2.1 kg mass is hung from it.

The stretch of the spring is given by:

stretch = (mass x gravity x length) / (spring constant)

where mass is the mass hung from the spring, gravity is the acceleration due to gravity (9.81 m/s^2), length is the stretch of the spring, and the spring constant is a measure of the stiffness of the spring (measured in N/m).

We can rearrange this equation to solve for the stretch of the spring:

stretch = (mass x gravity x length) / (spring constant)

length = (spring constant x stretch) / (mass x gravity)

Substituting the given values, we get:

length = (spring constant x 0.059 m) / (1.6 kg x 9.81 m/s^2)

Simplifying, we get:

length = 0.236 m

Therefore, the stretch of the spring when a 2.1 kg mass is hung from it is 0.236 m.

Answer: 72200

Explanation:

First you must find the height for this is on an inclined hill using:

h=Lsin(angle) —> 28.0sin(11.0) = 5.34

Now you would just use the PE equation (mgh) because you are finding ME and when you starting from the top KE=0, showing that what ever answer you get from PE would equal the same for ME.

Using mgh:

m=1380

g=9.80

h=5.34

(1380)(9.8)(5.34)

=72218.16

*Rounding to the 3rd=72200

Hope this helps :)

Energy conservation is the principle that energy is neither created nor destroyed, but can only be converted or transferred. It involves using energy-efficient appliances and transitioning to renewable energy sources to reduce consumption and environmental impact.

Energy conservation refers to the principle that energy cannot be created or destroyed; it can only be converted from one form to another or transferred between systems. This principle is based on the law of conservation of energy, also known as the first law of thermodynamics. In other words, the total amount of energy in a closed system remains constant over time.

One example of energy conservation is the use of energy-efficient appliances in households. By using appliances that are designed to minimize energy waste, such as energy-saving light bulbs, efficient refrigerators, or insulated windows, individuals can reduce their energy consumption and lower their electricity bills. These appliances are designed to convert electrical energy into useful forms, such as light or heat, with minimal energy losses.

Additionally, energy conservation plays a crucial role in sustainable practices and environmental preservation. For instance, reducing reliance on non-renewable energy sources like fossil fuels and transitioning to renewable energy sources such as solar or wind power helps conserve natural resources and reduces greenhouse gas emissions.

In summary, energy conservation is the principle that states energy cannot be created or destroyed but can only be converted or transferred between different forms. By adopting energy-efficient practices and utilizing renewable energy sources, individuals and society can contribute to conserving energy and mitigating environmental impact.

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The question probable may be:

Explain the concept of energy conservation and provide an example of how it applies in real-life situations.

The temperature gradient in the flow of direction is 294525 W.

A temperature gradient is the gradual variance in temperature with distance. The slope of the gradient is consistent within a material. A gradient is established anytime two materials at different temperatures are in physical contact with each other.

Q= T/( L/ KA)

Q= ( 1500 − 450) / 0.15 / 9.35v * 4.35)

   = 294525 W

Units of measure of temperature gradients are degrees per unit distance, such as °F per inch or °C per meter.

Many temperature gradients exist naturally, while others are created. The largest temperature gradient on Earth is the Earth itself. Q= T/Ka.

Therefore, The temperature gradient in the flow of direction is 294525 W.

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Answer:

Intial velocity=15m/s

Time=1 second

Acceleration due to gravity=-10m/s²

Therefore,

v=u+at

v=15+(-10×1)

v=15-10

v=5m/s

Answer:

\(v_o=39\ m/s\\t_m=4\ s\)

Explanation:

Vertical Launch Upwards

In a vertical launch upwards, an object is launched vertically up from a height H without taking into consideration any kind of friction with the air.

If vo is the initial speed and g is the acceleration of gravity, the maximum height reached by the object is given by:

\(\displaystyle h_m=H+\frac{v_o^2}{2g}\)

The object referred to in the question is thrown from a height H=0 and the maximum height is hm=77.5 m.

(a)

To find the initial speed we solve for vo:

\(\displaystyle v_o=\sqrt{2gh_m}\)

\(v_o=\sqrt{2\cdot 9.8\cdot 77.5}\)

\(v_o=39\ m/s\)

(b)

The maximum time or the time taken by the object to reach its highest  point is calculated as follows:

\(\displaystyle t_m=\frac{v_o}{g}\)

\(\displaystyle t_m=\frac{39}{9.8}\)

\(t_m=4\ s\)

Answer:

d. convention

Explanation:

hope this helped

It will be harder to move about.

Given,

The mass of the car moving east, m=1420 kg

The mass of the car moving south, M=1880 kg

The velocity of the car moving east, u₁=17.0 m/s

The velocity of the car moving south, u₂=-15.0 m/s

Here we assume that the eastward direction is the positive x-direction and the southward direction is the negative y-direction.

From the law of conservation of momentum, the momentum is conserved in both directions simultaneously and independently.

Considering the conservation of momentum in the x-direction,

Where v_x is the x-component of the final velocity of the two cars.

On substituting the known values,

Considering the conservation of momentum in the y-direction,

Where v_y is the y-component of the final velocity of the cars.

On substituting the known values,

A.

The magnitude of the velocity of the cars tight after the collision is given by,

On substituting the known values,

Thus the magnitude of the velocity of the cars right after the collision is 11.25 m/s

B.

The direction of the cars right after the collision is given by,

On substituting the known values,

Thus the direction of the cars right after the collision is -49.4°. That is 49.4° south of the east.

C.

The total kinetic energy of the system is before the collision is

On substituting the known values,

The kinetic energy of the system of two cars after the collision is,

Thus the kinetic energy lost during the collision is,

On substituting the known values,

Thus the total kinetic energy lost during the collision is 207.5 kJ

Answer:

The rotational kinetic energy takes 0.430 seconds to become half its initial value.

Explanation:

By the Principle of Energy Conservation and the Work-Energy Theorem we know that flywheel slow down due to the action of non-conservative forces (i.e. friction), the energy losses are equal to the change in the rotational kinetic energy. That is:

\(\Delta E = K_{1}-K_{2}\) (1)

Where:

\(\Delta E\) - Energy losses, measured in joules.

\(K_{1}\), \(K_{2}\) - Initial and final rotational kinetic energies, measured in joules.

By definition of rotational kinetic energy, we expand the equation above:

\(\Delta E = \frac{1}{2}\cdot I\cdot (\omega_{1}^{2}-\omega_{2}^{2})\) (2)

Where:

\(I\) - Moment of inertia of the flywheel, measured in kilograms per square meter.

\(\omega_{1}\), \(\omega_{2}\) - Initial and final angular speed, measured in radians per second.

If we know that \(K_{1} = 30\,J\), \(K_{2} = 15\,J\) and \(I = 18\,kg\cdot m^{2}\), then the initial angular speed is:

\(K_{1} = \frac{1}{2}\cdot I \cdot \omega_{1}^{2}\) (3)

\(\omega_{1}=\sqrt{\frac{2\cdot K_{1}}{I} }\)

\(\omega_{1} = \sqrt{\frac{2\cdot (30\,J)}{18\,kg\cdot m^{2}} }\)

\(\omega_{1} \approx 1.825\,\frac{rad}{s}\)

\(\omega_{1}\approx 0.291\,\frac{rev}{s}\)

\(K_{2} = \frac{1}{2}\cdot I \cdot \omega_{2}^{2}\) (4)

\(\omega_{2}=\sqrt{\frac{2\cdot K_{2}}{I} }\)

\(\omega_{2} = \sqrt{\frac{2\cdot (15\,J)}{18\,kg\cdot m^{2}} }\)

\(\omega_{2} \approx 1.291\,\frac{rad}{s}\)

\(\omega_{2} \approx 0.205\,\frac{rev}{s}\)

Under the assumption that flywheel is decelerating uniformly, we get that the time taken for the flywheel to slowdown is:

\(t = \frac{\omega_{2}-\omega_{1}}{\alpha}\) (5)

If we know that \(\omega_{1}\approx 0.291\,\frac{rev}{s}\), \(\omega_{2} \approx 0.205\,\frac{rev}{s}\) and \(\alpha = -0.200\,\frac{rev}{s^{2}}\), then the time needed is:

\(t = \frac{0.205\,\frac{rev}{s}-0.291\,\frac{rev}{s}}{-0.200\,\frac{rev}{s^{2}} }\)

\(t = 0.43\,s\)

The rotational kinetic energy takes 0.430 seconds to become half its initial value.

The time taken for the rotational kinetic energy to become half its initial value is 0.426 seconds.

Given the data in the question;

Since it is slowing down, angular acceleration becomes negative

First we need to determine initial and final angular velocity. From the expression for Rotational kinetic energy:

\(K_R = \frac{1}{2}Iw^2\)

Where ω is the angular velocity and I is the moment of inertia around the axis of rotation.

We substitute our given values into the equation

\(K_{R1} = \frac{1}{2}Iw_1^2\\\\ 30J = \frac{1}{2} * 18.0kg.m^2 * w_1^2\\\\30kg.m^2/s^2 = \frac{1}{2} * 18.0kg.m^2 * w_1^2\\\\30kg.m^2/s^2 = 9.0kg.m^2 * w_1^2\\\\w_1^2 = \frac{30kg.m^2/s^2}{9.0kg.m^2}\\\\ w_1^2 = \frac{30kg.m^2/s^2}{9.0kg.m^2}\\\\ w_1 = \sqrt{\frac{30kg.m^2/s^2}{9.0kg.m^2}} \\\\w_1 = 1.8257 rad/s\)

\(K_{R2} = \frac{1}{2}Iw_2^2\\\\15.0J = \frac{1}{2} * 18.0kg.m^2 * w_2^2\\\\15.0kg.m^2/s^2 = \frac{1}{2} * 18.0kg.m^2 * w_2^2\\\\15.0kg.m^2/s^2 = 9.0kg.m^2 * w_2^2\\\\w_2 = \sqrt{\frac{15.0kg.m^2/s^2}{9.0kg.m^2} } \\\\w_2 = 1.29099 rad/s\)

Now, From the equation of rotational motion:

\(w_2 = w_1 + a_at\)

Where \(w_2\) is the final angular velocity, \(w_1\) is the initial angular velocity, \(a_a\) is the angular acceleration and \(t\) is the time taken.

We substitute our values into the equation and solve for "t"

\(1.29099rad/s = 1.8257rad/s + [ - 1.2566rad/s^2\ *\ t ]\\\\1.29099rad/s - 1.8257rad/s = - 1.2566rad/s^2\ *\ t \\\\-0.53471rad/s = - 1.2566rad/s^2\ *\ t \\\\t = \frac{-0.53471rad/s}{- 1.2566rad/s^2}\\\\t = 0.4255s\\\\t = 0.426s\)

Therefore, the time taken for the rotational kinetic energy to become half its initial value is 0.426 seconds.

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Explanation:

t = t/v(1-v^2/c^2)

3.10- 1.03 = 1.03/v(1-v^2/c^2)

2.07 = 1.03/v(1-v^2/c^2)

v(1-v^2/c^2) = 0.49

squaring both sides

(1-v^2/c^2) = 0.24

0.76 = v^2/c^2

v^2 = 0.76 × (3×10^8)^2

v = 0.873×10^8

v = 2.61×10^8 m/s

s = vt

t = 3.10 years = 3.10×365×24×3600 seconds = 9.7×10^8

s = 2.61×10^8× 9.7×10^8

s = 25.31×10^16 m

A gymnast of mass 52.0 kg is jumping on a trampoline.  the trampoline stretches 0.67 m when the gymnast stands on it at rest.

Generally, To find the stretch of the trampoline when the gymnast is standing on it at rest, we need to use Hooke's law, which states that the force required to stretch (or compress) a spring is directly proportional to the distance that it is stretched (or compressed).

Mathematically, it is represented as

F = kx,

where

F is the force applied,

x is the distance stretched and k is the spring constant.

As the trampoline stretches by 67 cm when the gymnast lands, we can use the equation

F = kx to find the spring constant k. We know that the force applied is the weight of the gymnast, which is

52 kg x 9.8 m/s^2 = 508 N.

k = F/x '

= 508 N / 0.67 m

= 757 N/m

Now that we know the spring constant, we can use it to find the stretch of the trampoline when the gymnast is standing on it at rest. We can use the equation

F = kx where F = weight of the gymnast and x = stretch of the trampoline when she is standing on it at rest.

x = F/k

= 508 N / 757 N/m

= 0.67 m

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Answer:

1.05 x 103s

Explanation:

The answer to the question is 1.05 x 103s

Answer:

A car traveling south with its cruise control set

Explanation:

Turning could cause anything to slow down but going forward could mean that anything could go faster.

Answer:

h = 0.288m

Explanation:

Assume

\(v_1\) = Speed of Sue

\(v_2\) = Speed of Chris immediately after the push

Sue's KE = \(\frac{1}{2} mv_1\ ^2 = 26 v_1 \ ^2\)

now she swings this is converted into gravitation at PE of

mg n = 52 × 9.8 × 0.65  

= 331.24

\(26v_{1}\ ^2\) = 331.24

So, \(v_1 = 3.569\)

They started at rest by conservation of momentum in case of push off the magnitude of sue momentum and it is equal to the magnitude of Chris momentum in the opposite or inverse direction

\(m_1v_1 = m_2v_2\)

\(52 \times 3.569 = 78 \times v_2\)

\(v_2 = 2.380\)

Chris kt = \(\frac{1}{2} \times 78 \times 2.380^2\)

= 220.827

220.827 = mgh

So, h = 0.288m

A happiness that is full of significance and delight as well as a sense of vitality and freedom results from this kind of all-consuming desire. This is your chance to live a more fulfilled life where finding joy in what you do instead of pursuing the one thing you love is the goal.

Passion fuels our motivation. It aids us in constructing our dreams and goals. It's how we decide what our life's job is, and why we put in the effort to get there. Our lives are useless and unfulfilling without passion—for our friends and family, for creating beauty, for giving back, or for fulfilling a higher purpose.

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Answer:

they'll be black, because green absorbs red.

Explanation:

any color which absorbs red will appear "black", i.e. green, blue, black

Mona's conclusion that convection is the main way that energy escapes from the water when there is no lid may or may not be a good conclusion, depending on the context and information provided.

Convection is a process of heat transfer that involves the movement of fluids (in this case, the water) due to differences in temperature. It occurs when warmer portions of the fluid rise and cooler portions sink, creating a circulating flow.

To determine if Mona's conclusion is valid, additional information is needed. Factors such as the presence of other heat transfer mechanisms (such as radiation or evaporation), the specific setup of the experiment, and the conditions under which the observations were made are essential.

If Mona's experiment only considered convection as the primary mechanism for energy escape and excluded other factors, her conclusion might be incomplete or inaccurate. To draw a more comprehensive conclusion, it is necessary to consider other potential heat transfer mechanisms and perform further investigations or provide additional supporting data.

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Answer:

heart is the answer

Explanation:

Answer:The answer is heart

Explanation: it just is, I don’t really know how to explain well.

The angular acceleration of the object can be obtained from the solution as  432 cm^2/sec from the mean position.

We know that the simple harmonic motion is the kind of motion that the acceleration of the motion is such that the motion is directed towards the center of the motion. The implication of this is that the motion of the object would always tend towards the center of the motion of the object.

Then we would have to apply the formula that involves the angular velocity and the distance that is covered and thus we have to write the formula as follows;

α =  ω^2y

α = acceleration

ω = angular velocity

y = distance covered

Then we have;

α =  (12)^2 * 3

= 432 cm^2/sec

Thus the acceleration directed to the center is  432 cm^2/sec.

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The forces acting on the child are the force of gravity and the normal force, which is the force exerted by the seat on the child. the force exerted by the seat on the child has a magnitude is Fn = 342.5N. the direction of the normal force is 45 degrees from the horizontal in the upward direction.

The Ferris wheel's speed can be calculated as follows: v = distance / time v = πd / tv = (3.14 * 19.0 m) / 1 min v = 60.66 m/min

The acceleration of the Ferris wheel can be calculated as follows: a = (v²) / ra = (60.66 m/min)² / (19.0 m / 2)a = 194.6 m/min²

The forces acting on the child are the force of gravity and the normal force, which is the force exerted by the seat on the child.

The magnitude of the normal force is equal to the sum of the weight of the child and the centripetal force acting on the child.

In this case, the child is halfway between the top and the bottom, so the angle between the normal force and the vertical direction is 45 degrees (90 degrees divided by 2).

As a result, the force exerted by the seat on the child has a magnitude of:

Fn = Fg + Fcf = maFn = (35.0 kg) * (9.8 m/s²) + (35.0 kg) * (194.6 m/min²)Fn = 342.5 N

The direction of the normal force is perpendicular to the seat, which is horizontal.

Since the angle between the normal force and the vertical direction is 45 degrees, the angle between the normal force and the horizontal direction is also 45 degrees.

Therefore, the direction of the normal force is 45 degrees from the horizontal in the upward direction.

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The Kinetic energy possessed by the cycle with a mass of 100 kg and velocity 40 m/s is 80 kJ.

Kinetic energy is the energy of an object when the object is in motion. It is obtained by the product of the mass of the object and the velocity of the object. The unit of kinetic energy is the joule (J).

From the given,

mass of the motorcycle (m) = 100 kg

velocity (v) = 40 m/s

K.E =?

K.E = (mv²) / 2

     = (100×40×40) / 2

    = 160,000 / 2

   = 80,000 J

Thus, the kinetic energy of the motorcycle is 80kJ.

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