Which of the following figures (Fig.) represents uniform motion of a moving object correctly ?
The distance$-$time graph of a body is a straight line inclined to time axis. The body is in
The graph given below is the distance$-$time graph of an object.
$(i)$ Find the speed of the object during first four seconds of its journey.
$(ii)$ How long was it stationary ?
$(iii)$ Does it represent a real life situation ? Justify your answer.
What is the nature of motion of a particle depicted by following displacement$-$time graphs ?
A driver of a train travelling at $40\, m s ^{-1}$ applies the breaks as a train enters a station. The train slows down at a rate of $2\, m s ^{-2} .$ The platform is $400\, m$ long. Will the train stop in time ?