What was the average force of air resistance

Reference no: EM13330814

1. A 0.14-kg pinecone falls 16 m to the ground, where it lands with a speed of 13 m/s.

(i) With what speed would the pinecone have landed if there had been no air resistance?

(ii) What was the average force of air resistance exerted on the pinecone?

Reference no: EM13330814

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