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Motion in One Dimension · Already know this?

Ten questions, one verdict per topic

Answer all ten without looking anything up. The result tells you, topic by topic, which lessons you may skip and which you should read.

Already know this?

Ten questions. The result tells you which lessons you may skip.

1

A passenger sits in a moving train. Which statement is correct?

2

A cricket ball is thrown from the bowler to the wicket-keeper along a straight line and thrown straight back. Which quantity is zero for the whole journey?

3

A car covers \(60\,\text{km}\) at \(30\,\text{km/h}\) and the next \(60\,\text{km}\) at \(60\,\text{km/h}\). The average speed for the whole trip is

4

On a position-time graph, the slope of the tangent at a point gives

5

A particle moves with \(x = 3t^2\) metres. Its velocity at \(t = 2\,\text{s}\) is

6

A body has a negative acceleration. Which statement must be true?

7

The three equations of motion can be used only when

8

A car moving at \(20\,\text{m/s}\) brakes uniformly and stops in \(50\,\text{m}\). The magnitude of the deceleration is

9

A ball is thrown straight up. At the highest point

10

A ball thrown up at \(20\,\text{m/s}\) returns to the thrower's hand after (take \(g = 10\,\text{m/s}^2\))