NCERT Solutions for Chapter: Motion, Exercise 2: Short Answer Questions

How will the equation of motion for an object moving with a uniform velocity change?

A girl walks along a straight path to drop a letter in the letterbox and comes back to her initial position. Her displacement-time graph is shown in figure. Plot a velocity-time graph for the same.

A car starts from rest and moves along the x-axis with constant acceleration $5 \mathrm{m} {\mathrm{s}}^{-2}$ for $8$ seconds. If it then continues with constant velocity, what distance will the car cover in $12$ seconds since it started from the rest?

A motorcyclist drives from $A$ to $B$ with a uniform speed of $30 \mathrm{km} {\mathrm{h}}^{-1}$ and returns back with a speed of $20 \mathrm{km} {\mathrm{h}}^{-1}$. Find its average speed.

The velocity-time graph shows the motion of a cyclist. Find its acceleration.

The velocity-time graph shows the motion of a cyclist. Find its velocity.

The velocity-time graph shows the motion of a cyclist. Find the distance covered by the cyclist in $15$ seconds.

Draw a velocity versus time graph of a stone thrown vertically upwards and then coming downwards after attaining the maximum height.