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 Form 3 Physics Questions and Answers on Linear Motion

(a) A stone is thrown vertically upwards from the edges of a platform. Eventually the stone lands without bouncing, on the ground below the platform. Taking the upward velocity to be positive, sketch on the axis provided the velocity time graph of the motion of the stone.
Q3LinearMotion4282020859.png
(b) A car can be brought to rest from a speed of 20 ms-1 in a time of 2s.
(i) Calculate the average deceleration.
(ii) If the driver’s reaction time is 0.2s, determine the shortest stopping distance.

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