how high should a hammer of mass 3 kg be raisedso that it aquires a potential energy of 45 j?
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Answer:
The hammer should be kept 1.5m high
Explanation:
Potential energy gained by a body at topmost point is given as mass(m)*acceleration due to gravity (g)*height(h)
Potential energy=m*g*h
45=3*10*h
Therefore from here height comes out to be 1.5 m
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