Subject Experts Solutions for Chapter: Motion and Time, Exercise 2: Exercise 13.2

What can you say about the speeds of the two objects A and B from the figures given below?

What can you say about the speed of the object B from the figure given below?

Find the time taken by a boy, walking at $4 \mathrm{m}/\mathrm{s}$to cover a distance of $30 \mathrm{m}$.

From the given graph, calculate the speed of the car from $0$ to $5 \sec$.

From the given graph, calculate the speed of the car between $5 \sec$to $8 \sec$.

From the given graph, calculate the speed of the car from $8 \sec$ to $10 \sec$.

Plot a distance time graph of the top of the second hand of a clock by selecting $4$ points on X – axis and Y – axis respectively. The circumference of the circle biased by the second hand is $64 \mathrm{cm}.$

Distance between Bholu’s and Golu’s house is$9 \mathrm{km}$. Bholu has to attend Golu’s birthday party at $7$ ‘O’clock. He started from his house at $6$ ‘O’clock on his bicycle and covered a distance of $6 \mathrm{km}$ in $40 \min$. At that point, he met Chintu and he spoke to him for $5 \mathrm{minutes}$ and reached Golu’s birthday party at $7$ ‘O’clock. With what speed did he cover the second part of his journey? Calculate the average speed for the entire journey.