Question

A truck starts from rest and moves with a constant acceleration of 5m/s2 what will be its speed when it will covers of a 40m

Answer 1

Answer:

$v {}^{2} - u {}^{2} = 2as$

$v {}^{2} - 0 {}^{2} = 2 \times 5 \times 40$

$v {}^{2} = 40$

$v = \sqrt{400}$

$v = 20m \: per \: sec$