The position-time graph for a tennis ball thrown vertically upwards from the second floor of a school building is shown below.ignore all effects of air friction.The height of the second floor is 6,5m.The ball rises 0,9 m from the point of projection before it starts to fall to the ground. Write down the magnitude and direction of the accelaration of the ball while it is moving upwards
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9,8m.s/2upward
1 answer