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Suppose a moving car has 3000 J of kinetic energy. If the car's speed doubles,how much kinetic energy will it then have?
joules
12000 J
watts
indirectly
energy
10 N
Both require the same amount of work.
potential energy
It takes 80 J to push a large box 8 m across a floor. Assuming the push is in the same direction as the move, what is the magnitude of the force on the box?
joules
12000 J
watts
indirectly
energy
10 N
Both require the same amount of work.
potential energy
Power is measured in
joules
12000 J
watts
indirectly
energy
10 N
Both require the same amount of work.
potential energy
Power and time are _________________ related.
joules
12000 J
watts
indirectly
energy
10 N
Both require the same amount of work.
potential energy
Stored energy.
joules
12000 J
watts
indirectly
energy
10 N
Both require the same amount of work.
potential energy
Which requires more work: lifting a 70-kg sack vertically 2 meters or lifting a 35-kg sack vertically 4 meters? kg sack vertically 4 meters? Which requires more work: lifting a 70-kg sack vertically 2 meters or lifting a 35
joules
12000 J
watts
indirectly
energy
10 N
Both require the same amount of work.
potential energy
Work and energy are measured in
joules
12000 J
watts
indirectly
energy
10 N
Both require the same amount of work.
potential energy
The ability to do work.
joules
12000 J
watts
indirectly
energy
10 N
Both require the same amount of work.
potential energy
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