5. An object’s gravitational potential energy depends on the object’s mass, the strength of the gravitational field, and what other variable?(1 point)

Question

Responses

the speed of the object
the speed of the object

the object's height from the ground
the object's height from the ground

the shape of the object
the shape of the object

the color of the object

Answer 1

the height of the object

Answer 2

8. The pendulum in the diagram below swings from position A to B.

If we don’t consider friction, what happens to the total mechanical energy as the pendulum swings from position A to position B?

(1 point)
Responses

It remains the same
It remains the same

It is not conserved
It is not conserved

It declines
It declines

It becomes greater.

Answer 3

It remains the same

Answer 4

10. Kim is upstairs, but walks downstairs to the kitchen for a snack. Which statement correctly describes the types of energy she has at the top of the stairs and as she walks down the stairs?(1 point)
Responses

kinetic energy at the top of the stairs; potential energy as she walks down
kinetic energy at the top of the stairs; potential energy as she walks down

potential energy at the top of the stairs; potential energy as she walks down
potential energy at the top of the stairs; potential energy as she walks down

kinetic energy at the top of the stairs; kinetic energy as she walks down
kinetic energy at the top of the stairs; kinetic energy as she walks down

potential energy at the top of the stairs; kinetic energy as she walks down

Answer 5

potential energy at the top of the stairs; kinetic energy as she walks down