Question

Block A is kept against a big block B. Att
= 0, A is released and B is pushed against
A so that B starts accelerating with 10 m/
s2. Find the time taken by A to reach the
ground.
MA = 1kg, paB = 0.5
a)1s
b)2s
3)4s
4) none​

Answer 1

Explanation:

b

...........

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77

7

7

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77

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u

7