Asked by maihul
Block a is moving with a certain acceleration along a frictionless horizontal surface. When a second block B is placed on top of block A, the acceleration of the combined block drops to 1/5 the original value. What is the ratio of the mass of A to the mass of B :
Answers
Answered by
drwls
The force that does the accelerating presumably stays the same. The acceleration rate drops by the same ratio that the total mass rises. That ratio is 5.
(MB + MA)/MA = 5
MB = 4 MA
(MB + MA)/MA = 5
MB = 4 MA
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