Mathematics · Classical Mechanics
A small object A of mass m is free to slide on the smooth inclined plane of a triangular block B of mass 2m. The inclination angle of the block is 45° and the length of the inclined surface is l. Initially, both blocks are motionless. Block A starts sliding under the action of gravity from the highest point of block B. What is the speed of block B when block A hits the floor?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 123 √gl
- 2√gl
- 313 √gl✓
- 412 √gl
Correct answer
13 √gl
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