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Solved: A 0.14-kg pinecone falls 16 m to the ground, where
Chapter 7, Problem 24(choose chapter or problem)
QUESTION:
A 0.14-kg pinecone falls 16 m to the ground, where it lands with a speed of 13 m/s.
(a) With what speed would the pinecone have landed if there had been no air resistance?
(b) Did air resistance do positive work, negative work, or zero work on the pinecone? Explain.
Questions & Answers
QUESTION:
A 0.14-kg pinecone falls 16 m to the ground, where it lands with a speed of 13 m/s.
(a) With what speed would the pinecone have landed if there had been no air resistance?
(b) Did air resistance do positive work, negative work, or zero work on the pinecone? Explain.
ANSWER:Step 1 of 4
The known values are given as follows
\(m=0.14 \mathrm{~kg}\)
\(h=16 \mathrm{~m}\)