A 500 kg car travelling in a straight line at 20 m s⁻¹ is brought to rest by a…
PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
A 500 kg car travelling in a straight line at 20 m s⁻¹ is brought to rest by a constant braking force of 2.5 kN.
(a) Calculate the time taken for the car to come to rest.
(b) Find the magnitude of the impulse imparted to the car during braking.