Draw a velocity versus time graph of a stone thrown vertically upwards and then coming downwards after attaining the maximum height.
A truck running at $90\, km h ^{-1}$ is brought to rest over a distance of $25\, m$. Calculate the retardation and time for which brakes are applied.
Draw a diagram to show the motion of a body whose speed remains constant but velocity continuously changes.
The speed$-$time graph of a body is a straiaht line parallel to time axis. The body has
Write true or false for the following statements
Acceleration is defined as the rate of change of velocity.