Question: A 0 . 1 6 kg pinecone falls 1 8 m to the ground, where it lands with a speed of 1 3 m /

A 0.16 kg pinecone falls 18 m to the ground, where it lands with a speed of 13 m/s .
Part A
How much work was done on the pinecone by air resistance?
Part B
What was the average force of air resistance exerted on the pinecone?

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