Four cars $A$, $B$, $C$ and $D$ are moving on a levelled road. Their distance versus time graphs are shown in Fig. Choose the correct statement
Car $A$ is faster than car $D$
Car $C$ is the slowest.
Car $D$ is faster than car $C.$
Car $B$ is the slowest.
Draw a diagram to show the motion of a body whose speed remains constant but velocity continuously changes.
The nelocitu$-$time graph of a body is as shown. What tupe of motion does the body posses ?
What is the relation between distance and time
$(i)$ when body is moving with uniform velocity ?
$(ii)$ when body is moving with variable velocity ?
Derive the equation $v^{2}-u^{2}=2 a S$ graphically.
A car manufacturer advertises that the brakes are so perfect that the car stops instantaneously. Comment.