1.

A block is placed at 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

Answer»

`0.5`
`0.1`
`0.8`
`0.7`

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