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what is the gravitational potential energy of a 54 kg box that is 8m above the ground
potential energy
3400 J
true
changes both the direction and magnitude of the force
354 J
180 J
inclined plane
less force
The efficiency of a ramp is 75%. If the amount of work input is 240 J, what is the amount of useful work output.
potential energy
3400 J
true
changes both the direction and magnitude of the force
354 J
180 J
inclined plane
less force
an inclined plane
potential energy
3400 J
true
changes both the direction and magnitude of the force
354 J
180 J
inclined plane
less force
Lifting a car using a jack is easier because it requires
potential energy
3400 J
true
changes both the direction and magnitude of the force
354 J
180 J
inclined plane
less force
what is the kinetic energy of a 1.4 kg discus with a speed of 22.5 m/2
potential energy
3400 J
true
changes both the direction and magnitude of the force
354 J
180 J
inclined plane
less force
If a person tries to life a heavy box for 5 seconds and can't make it budge, the work down is less than zero
potential energy
3400 J
true
changes both the direction and magnitude of the force
354 J
180 J
inclined plane
less force
a wedge is a modified
potential energy
3400 J
true
changes both the direction and magnitude of the force
354 J
180 J
inclined plane
less force
which of the following is an example of mechanical energy
potential energy
3400 J
true
changes both the direction and magnitude of the force
354 J
180 J
inclined plane
less force
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