1. Which of the following do not describe the motion?
a. Distance b. Displacement c. Energy
d. Momentum
2. It refers to the rate of change in velocity over a period of time:
a. Displacement b.Acceleration c. Speed d. Distance
3. A boy walks a 10 m to the right and the walls back 9 m to the left, what is it displacement?
a. 19 m, R b. 19, L c. 1 m, L d. lm, R​