Answer the following about the basic terms related to motion.
PHYSICS · Multi-part · A Level · Physics · Mechanics and materials · Mechanics and materials
Problem
Answer the following about the basic terms related to motion.
(i) Define speed.
(ii) Define velocity.
(iii) State whether speed and velocity are scalar or vector quantities and mention their SI units.
(iv) Give two real-life examples each where (a) only speed is specified and (b) velocity is significant.