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The blocks A and B shown in figure have ...

The blocks A and B shown in figure have masses `M_A=5kg` and `M_B=4kg`. The system is released from rest. The speed of B after A has travelled a distance `1m` along the incline is

A

`(sqrt(3))/(2)sqrt(g)`

B

`(sqrt(3))/(4)sqrt(g)`

C

`sqrt(g)/(2sqrt(3))`

D

`sqrt(g)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
For minimum required speed at A to reach B
By energy conservation `(1)/(2) mv^(2) = mgh implies (1)/(2) xxmxxv^(2)=mxxgxx320impliesv=80m//s`
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