Quiz about Kinetic Potential Energy Calculations

Question 1

Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs? (KE = 1/2mv²)

Accepted Answer

22.5 J

Answer

8.5 J

Answer

45 J

Answer

7.5 J

Question 2

Alice kicks a soccer ball with a mass of 2.1 kg. The ball leaves the ground moving 30 meters per second. What is the kinetic energy of the soccer ball? (KE = 1/2mv²)

Accepted Answer

945 J

Answer

567 J

Answer

900 J

Answer

30 J

Question 3

At which point is potential energy greatest?

Accepted Answer

W

Answer

X

Answer

Y

Answer

Z

Question 4

Ty lifts a set of 1250kg weights a vertical distance of 2m in a weight lifting contest. What Potential Energy do the weights now possess?

Accepted Answer

24,500 Joules

Answer

12,789 Joules

Answer

4,500 Joules

Question 5

Lilly's cat ran through your yard. The cat has a mass of 5 kg. He is running at a speed of 3 m/s. What is the kinetic energy of the cat as he runs?

Accepted Answer

22.5 J

Answer

8.5 J

Answer

45 J

Answer

7.5 J

Question 6

A 2 kg object is lifted to a height of 5 meters. What is its potential energy?

Accepted Answer

$$98 J$$

Answer

$$100 J$$

Answer

$$9.8 J$$

Answer

$$10 J$$

Question 7

A car of mass 1000 kg is moving with a velocity of 20 m/s. What is its kinetic energy?

Accepted Answer

$$20,000 J$$

Answer

$$200,000 J$$

Answer

$$2,000 J$$

Answer

$$200 J$$

Question 8

If a 3 kg ball is thrown upwards with a speed of 10 m/s, what is its initial kinetic energy?

Accepted Answer

$$150 J$$

Answer

$$300 J$$

Answer

$$30 J$$

Answer

$$15 J$$

Question 9

A pendulum is raised to a height of 2 meters. If its mass is 0.5 kg, what is its potential energy at the highest point?

Accepted Answer

$$9.8 J$$

Answer

$$1 J$$

Answer

$$0.98 J$$

Answer

$$98 J$$

Question 10

A 4 kg object is moving with a velocity of 5 m/s. Calculate its kinetic energy.

Accepted Answer

$$100 J$$

Answer

$$50 J$$

Answer

$$10 J$$

Answer

$$25 J$$

Question 11

An object is dropped from a height of 10 meters. If its mass is 2 kg, what is its potential energy just before it hits the ground?

Accepted Answer

$$196 J$$

Answer

$$19.6 J$$

Answer

$$9.8 J$$

Answer

$$98 J$$

Question 12

A 1 kg object is moving at a speed of 15 m/s. What is its kinetic energy?

Accepted Answer

$$112.5 J$$

Answer

$$225 J$$

Answer

$$15 J$$

Answer

$$30 J$$

Question 13

A 5 kg object is lifted to a height of 3 meters. What is its potential energy?

Accepted Answer

$$147 J$$

Answer

$$14.7 J$$

Answer

$$1.47 J$$

Answer

$$1470 J$$

Question 14

A 0.5 kg ball is moving at a speed of 8 m/s. Calculate its kinetic energy.

Accepted Answer

$$32 J$$

Answer

$$16 J$$

Answer

$$64 J$$

Answer

$$8 J$$

Kinetic Potential Energy Calculations

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