Question: In the previous problem, In Previous problem A 0.14-kg pinecone falls 16 m to the ground, where it lands with a speed of 13 m/s.

In the previous problem,
In Previous problem
A 0.14-kg pinecone falls 16 m to the ground, where it lands with a speed of 13 m/s.
(a) How much work was done on the pinecone by air resistance?
(b) What was the average force of air resistance exerted on the pinecone?

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