Mathematics · Classical Mechanics
A bullet with initial speed v0 is fired into a log of wood. The resistive force exerted by the wood on the bullet is given by ηvα, where α < 1. What is the total time taken for the bullet to come to rest inside the wood log?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1ηm × v01-α1 - α
- 2mη × v01-α1 - α✓
- 3mη × v0α+1α + 1
- 4mη × v0α-11 - α
Correct answer
mη × v01-α1 - α
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