A boy holds a heavy package for one hour. He is very tired but has not done any work. Explain why he did not do any work.
1 answer:
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Answer:
k = 104.46 N/m
Explanation:
Here we can use energy conservation
so we will have
initial gravitational potential energy = final total spring potential energy
as we know that she falls a total distance of 31 m
while the unstretched length of the string is 12 m
so the extension in the string is given as
so we have