Superman is at rest in space when he throws an asteroid that has more mass than he does. Which moves faster, Superman or the asteroid

The reason why a 7.2 magnitude earthquake with an epicenter in Northern Mexico was felt over 100 miles away in the southern part of California is due to waves generated by earthquakes carrying energy through the earth's crust. Therefore, the correct option is option 3

When an earthquake occurs, the seismic waves created by the movement of the tectonic plates travel through the earth's crust, causing the ground to shake. These waves are capable of traveling long distances and can be felt far away from the epicenter. This is because the energy released by the earthquake is transmitted through the solid rock of the earth's crust. As the waves travel through the ground, they cause the surface to vibrate, which can be felt by people and animals.

Therefore, the reason why the earthquake was felt over 100 miles away in the southern part of California is because the seismic waves generated by the earthquake carried energy through the earth's crust which corresponds to option 3.

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The answer fam is ........ The maximum height to ball rises = 122.5 m

Answer:

unsure

Explanation:

Option-1,3 1. Not monochromatic sources. - interference is due to two monochromatic sources,3. observed from a distance similar to or smaller than the separation between the sources. -

Monochromatic radiation is electromagnetic radiation having a single, fixed frequency in physics. The term monochromatic light is frequently used when that frequency is a component of (or close to) the visible spectrum. The human eye recognizes spectral color in monochromatic light.

Monochromatic radiation has a single wavelength that never changes when it moves through a vacuum or a uniform transparent medium.

Because of the Fourier transform's localization property, no radiation can be completely monochromatic because that would need a wave with an endless length (cf. spectral coherence). Even from lasers or spectral lines, "monochromatic" radiation in reality always consists of components with a range of frequencies of non-zero breadth.

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Answer:

time taken t = 6.00 seconds

the time taken to cover half a round is 6.00 seconds

Explanation:

Given;

Speed of ant v = 11 m/s

radius of Circle r = 21 m

Circumference of a circle

c = 2πr

Half a turn d = c/2 = 2πr/2 = πr

Time taken to cover distance d( half a turn);

time = distance/speed = d/v = πr/v

Substituting the values;

time =(π×21)/11 = 5.997585975035 seconds

time taken t = 6.00 seconds

It takes 6 seconds for the ant to cover half a round.

Speed is the time rate of change of distance. It is given by:

Speed = distance / time

Since the radius of the circle is 21 m:

Distance covered for one round = 2π * radius = 2π(21) = 132 m

Distance covered for half round = 132 m/2 = 66 meter

Time taken to cover half a round:

Speed = distance/time

11 = 66/time

Time = 6 seconds

It takes 6 seconds to cover half a round.

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the angle of Brenda's velocity, as observed by an observer on the ground, is 76.537°.

The tangent of this angle can be calculated using the formula:

Tanθ = opposite/adjacent

where θ is the angle formed by Brenda's velocity vector and the east direction of the air velocity vector.

To use this formula, we need to find the opposite and adjacent sides of the triangle formed by Brenda's velocity vector and the east direction of the air velocity vector. Let's draw a diagram to help us visualize this situation:

the opposite side is Brenda's southward velocity component of 45.0 m/s and the adjacent side is the eastward velocity component of the air of 9.9 m/s. Therefore, the tangent of the angle θ is:

Tanθ = opposite/adjacent

= 45.0 m/s ÷ 9.9 m/s

= 4.54545...

we can find the inverse tangent of this value to get the angle θ:

Tan⁻¹(4.54545...) = 76.537°

Therefore, the angle of Brenda's velocity, as observed by an observer on the ground, is 76.537°.

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Answer:

1666.7 ETB (birr)

833.3 ETB (birr)

2083.3 ETB (birr)

Explanation:

The first worker

5000*1/3=1666.7

The second worker

5000*1/6=833.3

The third worker

5000*5/12=2083.3

Hope this helps :) ❤❤❤

Answer:

d

Explanation:

Density, temperature, and pressure increase as you move inward in the interior of the Sun. This means that the weight of the star pushing inward at a given radius _________ as you move inward toward the core.

a. increases

b. decreases

c. stays the same

d. There is not enough

The mass of the heated air is 2475000 kg.

The heat capacity of a sample of a substance is equal to the mass of the sample divided by the specific heat capacity of the substance (symbol c) in thermodynamics.

Informally, it is the quantity of heat that must be added to one unit of a substance's mass in order to raise its temperature by one unit.

The specific heat capacity of air =  1.0 × 10³ J/kg °C.

Hence, the mass of the heated air is =

( 4.5 x 10⁷ × 55) ÷ ( 1.0 × 10³ ) kg

= 2475000 kg.

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If an early frost destroys most of the apple crop, the equilibrium price of an apple is likely to increase.

An early frost that damages a significant portion of the apple crop would result in a decrease in the supply of apples. When the supply decreases, while demand remains constant or even increases, it creates a situation where the quantity demanded exceeds the quantity supplied. This imbalance in the market typically leads to an increase in the equilibrium price of apples.

With a reduced supply of apples, consumers would still desire to purchase them at the same or even higher quantities, especially if there are no close substitutes available. As a result, buyers may be willing to pay a higher price to secure the limited supply of apples. This increased demand coupled with the decreased supply causes the equilibrium price to rise.

Moreover, the extent of the increase in price will depend on the severity of the frost damage and the elasticity of demand. If the damage is severe and there are no alternative sources of apples, the price increase may be significant. However, if there are other regions or countries with unaffected apple crops that can fulfill the demand, the price increase may be relatively moderate.

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The wavelength of the infrared wave is approximately 7.5 × 10⁻⁷ meters.

The wavelength (λ) of an infrared wave can be calculated using the formula:

λ = c / f

Where:

λ is the wavelength of the wave

c is the speed of light in a vacuum (approximately 3.00 × 10⁸ m/s)

f is the frequency of the wave

In this case:

Frequency (f) = 4.0 × 10¹⁴ Hz

Substituting the values into the formula:

λ = (3.00 × 10⁸ m/s) / (4.0 × 10¹⁴ Hz)

Simplifying the expression:

λ = 7.5 × 10⁻⁷ m

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The compression of 10 cm by a 100 N force on the plane that has a

coefficient of friction of 0.39 give the following values.

Mass of the block, m = 3 kg

\(Spring \ constant, K = \dfrac{100 \, N}{0.1 \, m} = \mathbf{ 1000\, N/m}\)

Coefficient of kinetic friction, \(\mu_k\) = 0.39

Therefore, we have;

Friction force = \(\mathbf{\mu_k}\)·m·g·cos(θ)

Which gives;

Friction force = 0.39 × 3 × 9.81 × cos(48°) ≈ 7.68

Work done by the motion of the block, W ≈ 7.68 × d

The work done = The kinetic energy of the block, which gives;

\(\mathbf{\dfrac{1}{2} \times k \cdot x^2 }= 7.68 \cdot d\)

The initial kinetic energy in the spring is found as follows;

K.E. = 0.5 × 1000 N/m × (0.1 m)² = 5 J

The initial velocity of the block is therefore;

5 = 0.5·m·v²

v₁ = √(2 × 5 ÷ 3) ≈ 1.83

Work done by the motion of the block, W ≈ 7.68 N × 0.07 m ≈ 0.5376 J

Chane in kinetic energy, ΔK.E. = Work done

ΔK.E. = 0.5 × 3 × (v₁² - v₂²)

Which gives;

ΔK.E. = 0.5 × 3 × (1.83² - v₂²) = 0.5376

Which gives;

The height at which the block will stop moving, h, is given as follows;

\(At \ the \ maximum \ height, \ h, \ we \ have ; \ \dfrac{1}{2} \times 1000 \times 0.1^2 = 7.68 \times x\)

Which gives;

\(Length \ of \ the \ incline \ at \ maximum \ height, \ x_{max} =\dfrac{ 7.68 }{ \dfrac{1}{2} \times 1000 \times 0.1^2 } \approx 1.536\)

The distance up the inclined, the block rises, at maximum height is therefore;

\(x_{max}\) ≈ 1.536 m

Therefore;

h = 1.536 × sin(48°) ≈ 1.1415

From the above solution for the height, the length of the incline is he

distance along the incline at maximum height which is therefore;

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Answer:

We the People of the United States, in order to form a more perfect union, establish justice, insure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this Constitution for the United States of America.

Explanation:

We the People of the United States, in order to form a more perfect union, establish justice, insure domestic tranquility, provide for the common defense, promote the general welfare, and secure the blessings of liberty to ourselves and our posterity, do ordain and establish this Constitution for the United States of America.

I believe the most important zone is cardiovascular, as it is essential for maintaining a healthy heart and lungs.

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Answer:

Explanation:

A 60W bulb , consumes electrical energy of 60 J per second but it does not give out all the energy in the form of light . Most of the energy consumed by it is wasted in the form of heat . Only a fraction of energy is converted into light energy .

Hence, it is wrong to say that bulb supplies 60 J of light energy each second .

When the stopping distance increases by 40%, the average force needed to stop the puck also increases by 40%.

The average force needed to stop the puck will increase by 40%. This is because the stopping distance increases, which means that the puck must be subjected to a greater force in order to be stopped in the same amount of time.
The equation that can be used to calculate the average force is F = m x (v^2)/d, where m is the mass of the puck, v is the speed of the puck, and d is the stopping distance. By increasing the stopping distance by 40%, the equation becomes F = m x (v^2)/(1.4d).
As we can see from this equation, the average force needed to stop the puck increases by 40%. This is because the denominator, which is the stopping distance, increases, thus making the value of the entire equation higher.
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Answer:

The entity that decreases is the Weight.

Explanation:

Every object on the surface of the earth is usually pulled downwards by the action of gravity. The force or weight is W = mg

Now, the farther one gets away from the surface of the earth by climbing a mountain, the further the person is from the Earth's centre of gravity.

We know that the formula for Force of gravity away from the Earth's surface is given by;

F_g = GM1M2/r²

So the greater the distance, the lesser the gravitational force.

Now, the gravitational force equals the weight of the individual.

Thus, the entity that decreases is the Weight of the individual.

Answer:

biking

Explanation:

To make the Bike move you peddle with your legs.

Answer:

M1 v1 + M2 v2 = M1 V1 + M2 V2

Assuming we are to fine V2  (the problem is not clear on this point)

50 * 5 + 100 * 10 = 50 * 8 + 100 V2    conservation of momentum

V2 = (250 + 1000 - 400) / 100 = 850 / 100 = 8.5 m/s

Answer:

increase

Explanation:

Answer:

Increase

Explanation:

A force that acts on an object causes the object to accelerate.

F=ma

When mass is kept constant, force is directly proportional to the acceleration. Meaning that if the force increases, the acceleration increases, and if force decreases the acceleration decreases.

When force is kept constant, acceleration is inversely proportional to mass.

Meaning that when the mass of the objet increases, the acceleration of the object will decrease, and if the mass of the object decreases, the acceleration will increase.

Hope this helped!

The time taken for the car to go from rest to 21 m/s is 3.2 seconds.

The acceleration of the car is determined by applying Newton's second law of motion as shown below.

Mathematically, the formula for Newton's second law of motion is given as;

F (net) = ma

where;

The net force acting on the car is calculated as follows;

F (net) = F - Ff

where;

F (net) = 38,900 N - 34,000 N

F (net) = 4,900 N

The acceleration of the car is calculated as follows;

a = F (net) / m

a = ( 4,900 N ) / ( 745 kg )

a = 6.58 m/s²

The time of motion of the car is calculated as follows;

v = u + at

v = 0 + at

v = at

t = v / a

t = ( 21 m/s ) / ( 6.58 m/s² )

t = 3.2 s

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Answer:

you could hurt yourself

Explanation:

Answer

You should never do an exercise such as the bench press without a spotter because you could hurt yourself or push your self too much.

Explanation:

Part A:  6.0 cm apart are the two nearest points on the slinky that at one particular time both have the maximum magnitudes of displacements from their equilibrium positions.

Part B: The period of the wave is 0.2 seconds.

A transverse wave of amplitude 3.0 cm, frequency 5.0 Hz, and speed 3.0 m/s travels on an infinitely long slinky. This question is a two-part question.

Let us solve each part of the question.

Part A:

We know that transverse waves move up and down perpendicular to the direction of the wave. It means that the maximum displacement of a particle from its equilibrium position is equal to the amplitude of the wave.

In one period (T), the wave completes one full cycle. The number of cycles completed in one second is called the frequency (f) of the wave.

The product of wavelength (λ) and frequency (f) of the wave is equal to its velocity (v).

The formula for a wave is given as follows:v = λf

Here, v is the velocity, λ is the wavelength and f is the frequency.

From the formula, we can calculate the wavelength of the wave. We are given the amplitude (A) and frequency (f) of the wave. We are to find the distance between two nearest points at maximum displacement.

To solve the problem, we use the formula for the wavelength of a wave.

λ = v/f

Substituting the values given:

λ = (3.0 m/s)/(5.0 Hz)

λ = 0.6 m

We know that for a transverse wave, maximum displacement is equal to the amplitude.

Therefore, the distance between two nearest points at maximum displacement is equal to two times the amplitude.

Substituting the value:

Distance between two nearest points at maximum displacement = 2 x amplitude= 2 x 3.0 cm = 6.0 cm

Part B:

The period of the wave is the time it takes for a complete cycle. The formula for the period is given as follows:

T = 1/f

Substituting the values:

T = 1/5.0 Hz

T = 0.2 seconds

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Case: The effect of balloon color on inflation time.

Independent variable: Balloon color (categorical) with four levels (e.g., red, blue, green, yellow).

Dependent variable: Time taken for inflation to a diameter of 7 inches (continuous, measured in seconds).

Study design: Within-subject design (the same group of participants inflating balloons of different colors).

Confounding variable: Possible confounding variables could be the size or material of the balloons, as these factors might affect the inflation time. To control for this, it would be important to ensure that all balloons used in the experiment are of the same size and material.

Violation of Validity: A violation of validity could occur if the measurement of inflation time is not accurate or consistent (e.g., if the stopwatch used is unreliable or if the experimenter's recording of times is inconsistent). Ensuring proper measurement procedures and equipment would help mitigate this violation.

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Answer:

the answer is b

Explanation:

Answer:

100.390407

Explanation:

To find acceleration, you would use the formula a=f/m (acceleration equals force divided by mass) and then once you enter those numbers in the formula, a=180/1.793. Then you divide 180 divided by 1.793 which gets you an answer of 100.390407.

Answer:

The net force is directed toward the center of the circular path.

The name of the substance is silver based on the specific heat capacity value.

The specific heat capacity of the substance is calculated by applying the following formula for heat capacity.

Q = mcΔθ

where;

c = Q / mΔθ

The specific heat capacity of the substance is calculated as;

c = (5875 J ) / ( 500 g x 50 )

c = 0.235 J/kgK

The substance that has the same specific heat capacity calculated above is silver.

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Cyclotron to make 1 milligram of the isotope fluorine-18 for use a a diagnostic tool with it PET scanner. It seems that the hospital should plan to make more F-18 the next morning, as the amount remaining at midnight is very small.

The half-life of F-18 is 1.8 hours, so after 1.8 hours, half of the original amount of F-18 will remain. After 3.6 hours, a quarter of the original amount will remain, and so on.

At 3:00 PM (9 hours after the F-18 was made), the hospital will have

= 1/2^(9/1.8)

= 1/2^5

= 1/32

= approximately 0.03125 milligrams of F-18 remaining.

At midnight (18 hours after the F-18 was made), the hospital will have

= 1/2^(18/1.8)

= 1/2^10

= 1/1024

= approximately 0.0009765625 milligrams of F-18 remaining.

While using cyclotron, based on these calculations, it seems that the hospital should plan to make more F-18 the next morning, as the amount remaining at midnight is very small.

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Answer:

A) but be sure and read the answer.

Explanation:

If the object does not move at all, (that's an important restriction) the net force = 0. That being so, the acceleration must be 0 as well. But there is no law saying that there cannot be a constant motion and that's why the restriction is important.