Lesson 2: Potential Energy

Question 1

In which situations is gravitational potential energy present? Check all that apply.A person walks up a flight of stairs.A person runs across a room.Wind blows against a steel table anchored to the ground.Wind lifts a balloon into the air.A weightlifter holds a barbell on the ground.A weightlifter holds a barbell straight overhead.

Revolt · Accepted Answer

A person walks up a flight of stairs.; Wind lifts a balloon into the air.; A weightlifter holds a barbell straight overhead.

Question 2

Question 2

Revolt · Accepted Answer

600

Question 3

⇒ 9

Revolt · Accepted Answer

9

Question 4

ABCD

Revolt · Accepted Answer

C

Question 5

ABCD

Revolt · Accepted Answer

B

Question 6

4✔ 610

Revolt · Accepted Answer

✔ 6

Question 7

420,000✔ 672,0001,075,2004,116,000

Revolt · Accepted Answer

✔ 672,000; It would have times more gravitational potential energy.: 6

Question 8

The acceleration due to gravity on the moon is 1.6 m/s2. What is the gravitational potential energy of a 1200-kg lander resting on top of a 350-m hill?

Revolt · Accepted Answer

J: 672,000; It would have times more gravitational potential energy.: 6

Question 9

A spring with a spring constant value of 2500 StartFraction N over m EndFraction is compressed 32 cm. A 1.5-kg rock is placed on top of it, then the spring is released. Approximately how high will the rock rise?

Revolt · Accepted Answer

9 m

Lesson 2: Potential Energy Answers

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