Question

On an object of mass 1 kg moves along x-axis with constant speed 8 m/s, a constant force 2 Newton is applied in positive by direction find its speed after 4 second

Answer 1

F = M × A

2 = 1 × A

A = 2N/Kg

A = (V - U)/T

2 = (V - 8)/4

8 = V - 8

V = 16m/s