A rock of mass 5.7kg is hanging from a string of length 3.15m on the Mars, where the gravitational acceleration is a 0.376 of that on Earth. What is the change in gravitational potential energy of this rock when it is moved so that the angle of the string changes from 2.50 to 10.190(both angles are measured relative to the vertical)
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A rock of mass 5.7kg is hanging from a string of length 3.15m on the Mars, where the gravitational a...
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