A car of mass is travelling due north with a speed of
PHYSICS · Multi-part · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion
Problem
A car of mass 1200kg is travelling due north with a speed of 15ms−1. While negotiating a right-angled turn, it emerges moving due east with the same speed. Treat the turn as occurring instantaneously for the purpose of this calculation.
(i) Write expressions for the car’s initial and final momentum components along the north (y) and east (x) directions.
(ii) Calculate the magnitude of the change in the car’s momentum during the turn.
(iii) Determine the direction of the change in momentum with respect to the east direction.