Question

14) 48.5 N
1. A force F = 5t is applied on a block of mass
10 kg kept on rough horizontal surface (u = 0.5).
in rest what is speed of the block at t = 20 s?
10 kg
= 5t
u = 0.5
(1) 15 m/s
(3) 25 m/s
(2) 18 m/s
(4) Cannot be calculated​

Answer 1

Answer:

It is 25m/s

I don't calculate it make guess only

Answer 2

Answer:

Explanation:

Look up !