First slide
Graphical representation-Motion in 1 d
Question

A ball is thrown vertically upwards. Which of the following graph/graphs represent velocity-time graph of the ball during its flight (air resistance is neglected)

Moderate
Solution

In the positive region, the velocity decreases linearly (during rise) and in the negative region, velocity increases linearly (during fall) and the direction is opposite to each
other during rise and fall. Hence, fall is shown in the negative region.

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