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A block is placed at a distance of 2m fr...

A block is placed at a distance of `2m` from the rear on the floor of a truck `(g=10ms^(-2))`.When the truck moves with an acceleration of `8ms^(-2)` the block takes `2 sec` to fall off from the rear of the truck.The coefficient of sliding friction between truck and the block is

A

`0.5`

B

`0.1`

C

`0.8`

D

`0.7`

Text Solution

Verified by Experts

The correct Answer is:
D
`s=ut+1/2at^(2),a^(1)=mu_(k)g,a_(rel)=a-a^(1)`
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