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^(-1)` and at a speed of `5ms^(_1)`. The initial acceleration of the block is

Options

A. `2.5 m//s^(2)`
B. `5 m//s^(2)`
C. `10 m//s^(2)`
D. `20 m//s^(2)`

Answer

A

Explanation

`F=(dp)/(dt),F=v(dm)/(dt),a=F/m`