If an object does not move, then you could say
A. The object had too much kinetic energy.
B. Only power was applied to the object.
C. No work was done on the object.
D. There were no forms of energy to be transformed.

The picture shown in the figure represents the Milky Way Galaxy. The Galaxy in which the entire solar system is present.

The million and trillion of stars in the universe form Galaxy. The galaxy in which the entire solar system is present is called Milky Way Galaxy. The Milky Way Galaxy is spiral in shape. This Galaxy has four major arms. The major arms have both old and young stars and the minor arms have the gas and star formation activity. This galaxy also has a black hole at its center. Galileo Galilei was the first to see the Galaxy.

The Milky Way Galaxy is made up of a dense cloud of gas that stretches across the sky as seen from the Earth. The age of the Milky Way Galaxy is 13.61 billion years ago and the Andromeda Galaxy is the nearest galaxy to the Milky Way Galaxy.

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Nuclear power is a clean energy source that emits no emissions. Fission, which is the splitting of uranium atoms to release energy, is how it generates energy.

The operational risks and safety concerns that go along with them, risks associated with uranium mining, financial and regulatory risks, unresolved waste management issues, concerns about nuclear weapons proliferation, and unfavorable public perception are all obstacles to and risks associated with an increase in the use of nuclear energy.

The generation of radioactive wastes such spent (used) reactor fuel, uranium mill tailings, and other radioactive wastes is a significant environmental hazard associated with nuclear power.

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Answer:

The below diagram shows pure spectrum with white light

Explanation:

Gas particles and billiard balls are similar in several ways. They are both small and have a lot of energy. They move randomly. They exert pressure on their surroundings.

Gas particles are about 100,000 times smaller than the width of a human hair, and they have a lot of kinetic energy, which is the energy of motion. Billiard balls are also small, and they have a lot of kinetic energy when they are moving.

They move randomly. Gas particles and billiard balls move randomly in all directions. They collide with each other and with the walls of their container, but they never stop moving.

They exert pressure on their surroundings. The pressure of a gas is caused by the collisions of the gas particles with the walls of their container. The pressure of a billiard ball is caused by the collisions of the billiard ball with the surface of the pool table.

However, there are also some important differences between gas particles and billiard balls:

Gas particles are much smaller than billiard balls. This means that gas particles have a much lower mass than billiard balls.

Gas particles are not solid objects. They are actually just a collection of atoms or molecules that are moving very quickly. Billiard balls, on the other hand, are solid objects.

Despite these differences, gas particles and billiard balls are both good models for the behavior of matter at the molecular level.

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Answer:

18 radians

Explanation:

The computation is shown below:

As we know that

Torque = Force × Moment arm

= 1N × 1M

= 1N-M

Torque = \(I\alpha\)

\(\alpha = \frac{torque}{I}\\\\= \frac{1}{100}\\\\= 0.01 rad/s^2\)

Now

\(\theta = w_ot + \frac{1}{2} \alpha t^2\\\\w_o = 0\\\\\theta = 0 \times 60 + \frac{1}{2} \times 0.01 \times 60^2\\\\= 18\ radians\)

Here t = 1 minutes = 60 seconds

Answer:

What are igneous rocks?

Igneous rocks (from the Latin word for fire) form when hot, molten rock crystallizes and solidifies. The melt originates deep within the Earth near active plate boundaries or hot spots, then rises toward the surface. Igneous rocks are divided into two groups, intrusive or extrusive, depending upon where the molten rock solidifies

At the lowest position, both potential and kinetic energy are zero and maximal. A amount of energy is affected or not by mass.

Kinetic energy (KE) is defined as the energy a object has due to its motion and therefore is equal with one the item's mass multiplied by the object's velocity squared (mv2). In a roller coaster, kinetic energy is highest at the bottom and lowest at the top.

Kinetic energy has the following formula: K.E. (= 1/2 m v2, where m is the object's mass and v is its square velocity. The kinetic energy is measured in kgs squared per indication of the number if the mass is measured in kilogrammes and the velocity is measured in metres per second.

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Answer:

Force = 5.22 N

Explanation:

According to Newton's Second Law of motion:

\(Force = Rate\ of\ Change\ of\ Momentum\\\\Force = \frac{mv_f-mv_i}{t}\\\)

where,

m = mass of ball = 145 g = 0.145 kg

vf = final speed of ball after hit = 25 m/s

vi = initial speed of ball before hit = -  11 m/s (negative sign due to opposite direction)

t = time of contact = 1 s

Therefore,

\(Force = \frac{(0.145\ kg)(25\ m/s)-(0.145\ kg)(-11\ m/s)}{1\ s} \\\\\)

Force = 5.22 N

Answer: 2.7

Explanation:

Answer:

The Cyclist traveled 72 meters

Explanation:

if you for say multiply 10 by 12 you get 120 now you subtract 48 from the solution and you have your answer as 72

The distance traveled by the cyclist when traveling at a speed of 6m/s for 12s is 72m.

HOW TO CALCULATE DISTANCE:

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An item at rest will remain at rest, and an object in motion will continue to move in a straight path at a constant speed, according to the first law of motion, commonly known as the law of inertia.

Newton's laws of motion govern how a baseball moves as a result of being thrown or struck. According to Newton's first law, a moving ball will continue to move in a straight line until other forces are acting on it.

The ball is severely distorted by the enormous force the bat applies to it ball being struck. The average force acting during the bat-ball collision is therefore about two tons, with a peak force of nearly four tons, during the 0.7 millisecond contact time. There's a lot of force there!

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The work done is  2321 J.

We have to note that the acceleration has to do with the change in the velocity of the object with time. We are told that there is a movement of the crate as we can see. Let us note that the work that is done by the object subtracted from the work done by the friction. Thus we have that;

Work = (46 * 9.8 * 10.3) - (0.5 * 46 *9.8 *  10.3)

Work = 4643 - 2321

= 2321 J

The work that has been done is  2321 J. This is done in  moving the object

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It is easy to measure the period using the photogate timer.

Photogate timer is used to study free fall, rolling objects, collisions, and pendulums. Photogates allow for extremely accurate timing of events within physics experiments, for studying free fall, air track collisions, pendulum periods, the speed of a rolling object, among other things.

To measure the period of a simple pendulum, we set the simple pendulum into oscillation. Let's say 10 oscillations. The time to complete this oscillation is recorded. This time is divided by the no of oscillation to get the period. Period is also measured in second.

This means that period of a simple pendulum is given as T = t/n

where T is the period and t is the time to complete a given oscillation.

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(A) The pressure will be greater than 10% overpressure limit.

(B) The final pressure will be "582.915 kPa".

Given:

Volume,

Initial pressure,

Initial temperature,

            \(= 259 \ K\)

Final temperature,

(B)

Number of moles,

→ \(n = (\frac{P_o V}{RT_o} )\)

then,

The final absolute pressure,

→ \(P = \frac{nRT}{V}\)

      \(= (\frac{P_o V}{RT_o} )(\frac{RT}{V} )\)

      \(=(\frac{T}{T_o} )P_o\)

      \(= (\frac{305}{259} )\times 495\)

      \(= 582.915 \ kPa\)

Thus the above approach is correct.

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Answer and Explanation:

A. We have temperature t = 32

Speed of sound, s = 1087.5

As t increases by 1⁰f speed increases by 1.2

So that

S = 1088.6

T= 33⁰f

We have 2 equations

1087.5 = k(32) + c

1088.6 = k(33) + c

Subtracting both equations

(33-32)k = 1088.6-1087.5

K = 1.1

b.). S = kT + c

1087.5 = 32(1.1) + c

Such that

C = 1052.3

Therefore

S = 1.1(t) + 1052.3

C.). S = 1.1t + 1052.3

We make t subject of the formula

T = s/1.1 - 1052.3/1.1

T = 0.90(s) - 956.3

D. This means that We have temperature to rise by 0.90 whenever speed is increased

Answer:

visualizing

Explanation:

You are imagining yourself doing it, using the image in your head and the steps you read to figure out what to do first, next, last.

Answer:

120 kg•m/s.

Explanation:

From the question given above, the following data were obtained:

Case 1

Mass of object = M

Velocity of object = V

Momentum = 15 kg•m/s

Case 2

Mass of object = 2M

Velocity of object = 4V

Momentum = ?

Momentum is defined as follow:

Momentum = mass × velocity

The momentum of object in case 2 can be obtained as follow:

From case 1

Momentum = mass × velocity

15 = M × V

15 = MV ....... (1)

From case 2:

Momentum = mass × velocity

Momentum = 2M × 4V

Momentum = 8MV ....... (2)

Finally , substitute the value of MV in equation 1 into equation 2.

Momentum = 8MV

MV = 15

Momentum = 8 × 15

Momentum = 120 kg•m/s

Therefore, an object with a mass of 2M and 4V would have a momentum of 120 kg•m/s

Answer: 20 cm from the face of the mirror or 40 cm from the center from there the curvature is determined.

Explanation:

hope it helps you :)

The  concentration of the solution will be 0.25M and the concentration of the  

sodium Hydroxide is 2.5 M .

A branch of chemistry deals with the application of  the laws of definite proportions and of the conservation of mass and energy to chemical activity. The quantitative relationship between constituent in a chemical substance.  

We have given here,

Moles of sodium chloride  =  0.25moles

Let us assume the the volume of  the solution is 1 L.

Molarity = 0.25/

Molarity will be 0.25 M

The mass of sodium Hydroxide is 20g and the molar mass is 40g ,

and the Volume will be 0.2L

Molarity = 20/ 40×0.2

Molarity = 2.5 mol / L

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The gravitational force that the moon has on a person with a mass of 50 kg is approximately 1.15 N.

The gravitational force between two objects depends on their masses and the distance between them. This force is given by the formula:

F = (G × m₁ × m₂) / r² where F is the gravitational force, m₁ and m₂ are the masses of the two objects, r is the distance between them, and G is the gravitational constant, which has a value of 6.7 × 10⁻¹¹ N m²/kg².

Using this formula, we can find the gravitational force that the moon has on a person with a mass of 50 kg.

The mass of the moon is 7 × 10²² kg, and the distance between the moon and the person is 380,000,000 m.

Therefore, we have:

m₁ = 50 kg

m₂ = 7 × 10²² kg

r = 380,000,000 m

G = 6.7 × 10⁻¹¹ N m²/kg²

Substituting these values into the formula, we get:

F = (G × m₁ × m₂) / r²

F = (6.7 × 10⁻¹¹ × 50 kg × 7 × 10²² kg) / (380,000,000 m)²

F = 1.15 N

Therefore, the gravitational force that the moon has on a person with a mass of 50 kg is approximately 1.15 N.

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Based on the diagram, the correct statement is: Government and consumers make economic decisions in a mixed economy, while consumers make economic decisions in a market economy.

In a mixed economy, economic decisions are made by both the government and consumers.

The government plays a significant role in regulating and influencing economic activities through policies, regulations, and interventions.

In market economy, economic decisions are primarily made by consumers. The market forces of supply and demand dictate the allocation of resources, production levels, and pricing.

The freedom to buy and sell whatever they choose is what ultimately determines how commodities and services are produced and distributed.

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Answer:

The two most common types of orbit are "geostationary" and "polar."

Answer:2 ways in which a weather satellite can orbit the earth

Explanation:

Answer:

F =ma

a=f/m =18/3= 6m/m²

Explanation:

the resulting acceleration will 6 m/s² because the question asking us to solve for the acceleration.

In compressing the spring by 0.5 m, Cho stores

1/2 (25 N/m) (0.5 m)² = 3.125 J

of potential energy. As the spring relaxes, some of this potential energy is converted into kinetic energy K in the box and the rest is lost to heat H due to friction:

K - H = 3.125 J

By the work-energy theorem, the total work W performed on the box during this process is equal to the change in the box's kinetic energy. It starts at rest when the spring is compressed, so

W = K - 0 = 1/2 (1.5 kg) v²

By Newton's second law,

• the net vertical force on the box is

∑ F (ver) = n - mg = 0

where n is the magnitude of the normal force from contact with the table, and mg is the weight of the box. It follows that

n = mg = (1.5 kg) (9.8 m/s²) = 14.7 N

• the net horizontal force is

∑ F (hor) = r - f = ma

where r is the mag. of the restoring force, f = 0.2 n is the mag. of kinetic friction, and a is the resulting acceleration of the box. Friction exerts an opposing force of

f = 0.2 (14.7 N) = 2.94 N

The work done by the spring as it relaxes is 3.125 J. The work done by friction is (2.94 N) (0.5 m) = 1.47 J. Therefore the total work done on the box is

W = 3.125 J - 1.47 J = 1.655 J

Find the speed of the box v when it returns to the equilibrium position:

1/2 (1.5 kg) v² = 1.655 J

v² = (3.31 J) / (1.5 kg)

v ≈ 1.49 m/s

I assume the rest of the table is not scarred. (If it is, the box would come to a stop well before 2.30 seconds have passed, or before the box can slide for 2.30 m.) Then the box leaves the table with speed v at an angle of 75°, so that the horizontal distance x that it covers in the air after t seconds is

x = v cos(75°) t

and its tolerable height y is

y = 2.5 m + v sin(75°) t - g/2 t²

(if y turns out negative for some t, that means it has fallen more than 2.5 m and cannot land safely)

The pile is 3.5 m away from the table, so with its launch speed the box travels this distance in time t such that

v cos(75°) t = 3.5 m

t = (3.5 m) / ((1.49 m/s) cos(75°)) ≈ 9.1 s

After such time, the box would have height

2.5 m + v sin(75°) (9.1 s) - g/2 (9.1 s)² ≈ -390.51 m

i.e. it would be nearly 400 m underground! So no, the box will not land safely.

Ans    4 more to be exact

Explanation:

Given values are:

Spring constant,

and,

The force will be:

→ \(F = kx\)

By substituting the values, we get

      \(= 40\times 10\)

      \(= 400 \ N\)

Thus the above answer is right.

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Answer:

I believe it is true hope that helps

Explanation:

I think you forgot to add the other part!

Answer:

uhm what plant...

Explanation: