Pradeep Singh and Jatinder Singh Solutions for Chapter: Motion, Exercise 1: CHAPTER TEST

Two trains A and B of length $400 \mathrm{m}$ each are moving on two parallel tracks with uniform speed of $72 \mathrm{km} {\mathrm{h}}^{-1}$ in the same direction with A ahead of B. The driver of B decides to overtake A and accelerates by $1 \mathrm{m} {\mathrm{s}}^{-2}$. If after 50 s, the guard of B just passes the driver of A, what was the original distance between them?

The velocity of car is 18 m s-1. Express this velocity in km h-1.

An electric engine has a velocity of $120 \mathrm{km} {\mathrm{h}}^{-1}$. How much distance will it travel in 30 s?

A man is sitting in a train which is moving. Is he at rest or in motion?

When you return to your home from your school, what is your displacement?

When you apply brakes to a car, in which direction is its acceleration?

Which can produce more acceleration; a car or a motorcycle?

Give an example of negative acceleration from daily life situation.