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Question 2 a) A ball rolls horizontally along a track. A camera takes a p...

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Question 2 a)

ball rolls horizontally along a track. A camera takes a picture of the ball 4

times every second and the position of the ball at each photograph is shown in

the diagram below (note the leftmost ball position is the first photograph,

with each subsequent photograph showing the movement of the ball towards the

right of the track).

Image failed to load: Ball positioned along a number line, with 9 positions. In order (left-to-right): -4, -2, 0, ~1.8, 3, 4, 5, 6, 7.

Which

of the graphs of position,

x, versus time, t,

shown below

best describes the motion of the ball? You may find it helpful to make a table

of time vs. position first.

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