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In the figure the ball s released from rest when the spring is at it`s natural length. For the block B of mass M to leave contact with the ground at some stage, the minimum mass of A must be:
In the figure the ball s released from rest when the spring is at it`s natural length. For the block B of mass M to leave contact with the ground at some stage, the minimum mass of A must be:

```
3 years ago

Arun
25768 Points
```							we know at maximum extension velocity is 0 also extension in spring will be equal to desendent length by block aso by conservation of energykx2 /2 = Mgxkx = 2Mgnow fbd of akx-Mg = Magives a = gfbd of b with normal force 0 for leaving surfacema = kxmg = 2MgM = m/2
```
3 years ago
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• Test paper with Video Solution
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