Kinetic energy of a 10 kilogram rock falling at a rate of 3 meters/sec.
What is 45 Joules?
100
Force x Distance
What is the formula for work?
200
Energy stored in a slingshot
What is elastic potential energy?
200
Stored energy
What is potential energy?
200
The opposite direction from the direction of the motion
What is the direction of the force of friction?
200
Work done on a force of 20 N pushing an object 5 meters.
What is 100N?
200
Work in time?
What is the formula for Power?
300
Energy can only be converted from one form to another; it cannot be destroyed or created.
What is The Law of Conservation of Energy?
300
Kind of energy that increases as an object moves faster and faster.
What is kinetic energy?
300
Heat
What is the energy that is produced by friction?
300
Amount of work done when 4 Newtons of force is applied to a 400 kilogram object
What is no work?
300
Amount of time it takes to do 500 Joules of work using 5 watts of power
What is 100 seconds
400
Potential energy is highest here.
What is increased height distance?
400
For a ball tossed into the air between two people, part when potential energy is increasing and kinetic energy is decreasing.
What is the time when the ball is thrown up into the air?
400
When an object moves through outer space
What is an example of friction-less motion?
400
A 40kg boy runs up the 5m high staircase in 7 seconds. What is his power?
What is 280 W?
400
The 6 main types of energy
What is mechanical, radiant, chemical, thermal, electrical, nuclear energy?
500
A big rock that has 20,000 Joules of gravitational potential energy when it is 10 meters off the ground has this weight.
What is 203?
500
Starting from rest, a 20kg child zooms down a frictionless slide from an initial height. Her speed at the bottom of the slide is3.8 m/s. What was her initial height?
What is 0.74 meters?
500
When swinging objects slow down and stop, they appear to be doing this, but it is really due to friction.
What is breaking the Law of Conservation of Energy?
500
Calculate the velocity of a 50m tall roller coaster (1kg) starting at rest.
What is 31.3 m/s?
500
A spring has a constant o 1f00 N/m. What is the EPE if spring is compressed 0.08m from initial length?