Calculate how much work was done on the pine cone

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Reference no: EM13546300

A 0.21-kg pinecone falls 10 m to the ground, where it lands with a speed of 13 m/s.

(a) How much work was done on the pine cone by air resistance? The response you submitted has the wrong sign.

(b) What was the average force of air resistance exerted on the pine cone?

N (upward)

Reference no: EM13546300

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