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This picture is taken from the Problem Pictures Themes resource of photographs with activities for mathematics teaching.
If you purchase this resource the photographs are available in higher resolution and there are additional pages containing hints and solutions.
Bouncing ball
A rapidly flashing light freezes the motion of this bouncing ball.
Why does the path of the ball trace out a curve rather than a straight line? Why are the images of the ball closer together at the top of the picture? Try to estimate the rate at which the light was flashing.
Sketch a graph that shows the speed of this ball against time.
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