Question

(a) Mention a situation in which a body moves with uniform speed but with variable velocity
(b) when does the relative velocity of two bodies become zero​?

Answer 1

Explanation:

The situation in which a body moves with a uniform speed but with variable velocity is the case of uniform rotational motion, that is the velocity vector changes(as the direction changes), but the magnitude of the velocity(speed) is the same

For the second case, the relative velocity of two bodies become zero, when both of them cover the same distance in equal mounts of time, w.r.t to any frame of reference