Answer the following questions related to linear momentum:
PHYSICS · Multi-part · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion
Problem
Answer the following questions related to linear momentum:
(i) Define linear momentum and state its SI unit.
(ii) Distinguish between linear momentum and kinetic energy with respect to
(a) their physical nature and
(b) their dependence on the speed of the body.
(iii) Without performing detailed calculations, explain which has the larger magnitude of linear momentum and which has the larger kinetic energy:
• a bullet of mass 10g moving with speed 400ms−1, and
• a cricket ball of mass 400g moving with speed 20ms−1.
Justify your answers briefly.