Answer to Question #211173 in Physics for Nitu Gupta

Question

A truck is moving at a speed of 36km/he is stopped by applying brakes which produce a uniform acceleration of -0.5m/s².How much distance will be covered by the scooter before it stops?

Answer 1

We can find the distance covered by the scooter before it stops from the kinematic equation:

$$v^2=v_0^2+2ad,$$ $$d=\dfrac{v^2-v_0^2}{2a},$$ $$d=\dfrac{0-(10\ \dfrac{m}{s})^2}{2\cdot(-0.5\ \dfrac{m}{s^2})}=100\ m.$$