As the reference height is at B, so above that reference height is considered positive, and below the reference height it is considered negative. Hence the height-time graph is as such. Consider a vertical oscillating object, similar to the simple pendulum, the middle is the fastest.

Refer to the video for the explanation. When a ball is thrown up and it comes down, the motion varies. This video will cover how the...

Refer to the video below for the explanation. When a ball is dropped and it rebounces back, the motion varies. This video will cover how...

Refer to the video below for explanation. When a ball dropped and then it re-bounces, the motion varies. This video will cover how the...

1) When a ball is thrown up and it comes down When the ball leaves the hand, there is no upward force acting on the ball. The only force...

Answer: Option D

In this this question, the displacement-time graphs are given, which are different from displacement-distance graphs. In the...