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- 1. Multiple ChoicePotential or kinetic?
Stretched bow and arrow?kineticpotential - 2. Multiple Choice
At which point(s) on the roller coaster is the gravitational potential energy at its maximum?ABCD - 3. Multiple ChoiceAt which point(s) on the roller coaster is the kinetic energy at its maximum?ABCD
- 4. Multiple Choice
Select all: Work is equal to...
KE + PE
Change in energy
mg
Fd
- 5. Multiple ChoiceWhat is the difference between calculating power and work?Power takes into account the time it takes to complete a taskWork takes into account the time it takes to complete a taskPower is force/areaWork is force/area
- 6. Multiple ChoiceGravitational potential energy depends on the ________ and ________ of the object.Height and massFriction and movementMass and MovementHeight and Friction
- 7. Multiple ChoiceIf an object moves from a high place to a lower place, will it gain or lose potential energy?losegainneitherboth
- 8. Multiple Choice
Bobby lifts a book to the second floor in 20 seconds. Carol lifts the same book to the second floor in 10 seconds. Who did more work?
Bobby
Carol
They did the same amount of work
Not enough information
- 9. Multiple Choice
A girl weighs 400 N. She runs up a flight of stairs of height 5 m in 4 seconds. Her power is:
320 W
400 W
500 W
2 000 W
- 10. Multiple ChoiceGroot rescues Rocket from the bottom of a deep pit. Groot expends 1000 J of energy lifting Rocket who has a mass of 50 kg out of the pit. How deep is the pit?0.5 m2 m4 m10 m
- Answer choicesTagsAnswer choicesTags