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Earth Science Review #9 Flashcards | StudBud

Explore/Earth Science Review #9

Earth Science Review #9

9 terms·StudBud Administration·128 plays

3rd quarter review

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Questions 9

Answers

1
When riding a roller coaster, you go on many hills. When do you have maximum kinetic energy?
at the top of each hill
as you go up each hill
as you go down each hill
at the bottom of each hill
2
When riding a roller coaster, you go on hills. When do you have the least kinetic energy?
as you go up each hill
as you go down each hill
at the top of each hill
at the bottom of each hill
3
A 4 kg object is moving at a speed of 5 m/sec. How much kinetic energy does the object have?
50 joules
100 joules
20 joules
10 joules
4
A baseball is placed on the edge of a table top. What type of energy does the baseball have?
chemical potential energy
A.chemical kinetic energy
gravitational kinetic energy
gravitational potential energy
5
Energy that is stored is called:
static energy
potential energy
kinetic energy
physical energy.
6
The speed and direction of an object's motion is its:
acceleration.
velocity
momentum
inertia
7
What does Newton's third law of motion state?
For every action there is an equal and opposite reaction.
object in motion will remain in motion unless another object
If you push something hard enough, it will fall over.
Force equals mass times acceleration.
8
The force needed to move an object depends upon:
the density of the object.
the shape of the object.
the volume of the object.
the mass of the object.
9
What would happen if an astronaut in orbit around the Earth let go of a wrench she was using?
The wrench would remain in orbit around the Earth.
The wrench would immediately fall straight to Earth.
The wrench would stop moving in the spot where she let it go
wrench would fly off in a straight line at constant speed.