Obtain with what speed would the pinecone have landed

Reference no: EM13682665

A 0.14 kilogram pinecone falls 16 meter to the ground, where it lands with a speed of 13 meter per second.

Part A. Find with what speed would the pinecone have landed if there had been no air resistance?

Part B. Find did air resistance do positive work, negative work, or zero work on the pinecone?

Reference no: EM13682665

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