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what is the gravitational potential energy of a 54 kg box that is 8m above the ground
180 J
less force
4
potential energy
inclined plane
354 J
3400 J
true
Lifting a car using a jack is easier because it requires
180 J
less force
4
potential energy
inclined plane
354 J
3400 J
true
What is the mechanical advantage of a ramp 2.0 m long and 0.5 m tall
180 J
less force
4
potential energy
inclined plane
354 J
3400 J
true
a wedge is a modified
180 J
less force
4
potential energy
inclined plane
354 J
3400 J
true
The efficiency of a ramp is 75%. If the amount of work input is 240 J, what is the amount of useful work output.
180 J
less force
4
potential energy
inclined plane
354 J
3400 J
true
what is the kinetic energy of a 1.4 kg discus with a speed of 22.5 m/2
180 J
less force
4
potential energy
inclined plane
354 J
3400 J
true
which of the following is an example of mechanical energy
180 J
less force
4
potential energy
inclined plane
354 J
3400 J
true
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
180 J
less force
4
potential energy
inclined plane
354 J
3400 J
true
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