A block of metal weighing 2kg is resting on a frictionless plane. It is struck by a jet releasing water at a rate of 1kg/s and at a speed of 5 m/s. Calculate the initial acceleration of the block.

Options

A. `2.5m//s^(2)`
B. `5m//s^(2)`
C. `10m//s^(2)`
D. `5m//s^(2)`

Answer

A

Explanation

`F=(delm)/(delt)xx5`
`1=1kg//sxx5`
`therefore a=(5)/(2)=2.5 m//s^(2)`