Question

Calculate the acceleration when an object moves from rest and reaches the velocity 16 m/s in 4 seconds​

Answer 1

Initial velocity u=0 acceleration a=1ms

−2

Time interval t = 4 seconds

Distance travelled =s=ut+

2

1

at

2

s=0×4+

2

1

×1×4

2

=0+

2

1

×1×16

=8m.