Question

A car starting from rest acquires a velocity $180m{s}^{-1}$ in 0.05 h.Find it's acceleration.

Answer 1

Given
time=0.05hr
=0.05×60×60 sec=180sec

initial velocity(u)=0
final velocity=180$\frac{m}{s}$

applying
v=u+at
180=u+a×180
180=0+180a
a =acceleration = 1m