If the average and instantaneous velocity of the body become equal the body is said to have….. velocity.
a) variable
b) uniform
c) zero
d) none
A track is 700 m in length. If a runner start running on the track from point A and end the race again at point A. What is the displacement S covered by the runner?
a) 700 m
b) 1400 m
c) zero
d) -700 m
A runner makes one lap around a 270 m circular track in 30 s. what is the average velocity?
a) zero
b) 9 m/s
c) 18 m/s
d) none of these
Acceleration:
The rate of change of velocity is known as…….
a) distance
b) displacement
c) speed
d) acceleration
The measure of change in velocity with passage of time is called……………..
a) average velocity
b) acceleration
c) speed
d) uniform velocity
