What type of motion is represented by each one of the following graphs?
What type of motion is represented by each one of the following graphs?
(i) Graph (a) represents uniform acceleration.
(ii) Graph (b) represents constant speed.
(iii) Graph (c) represents uniform retardation.
(iv) Graph (d) represents non-uniform retardation.
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A car is travelling at 20 m/s along a road. A child runs out into the road 50 m ahead and the car driver steps on the brake pedal. What must the car’s deceleration be if the car is to stop just before it reaches the child?
8 months ago
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A car is travelling along the road at 8 ms^-1. It accelerates at 1 ms^-2 for a distance of 18 m. How fast is it than travelling?
8 months ago
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Study the speed-time graph of a car given alongside and answer the following questions: (i) What type of motion is represented by OA? (ii) What type of motion is represented by AB?
8 months ago
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Three speed-time graphs are given below: Which graph represents the case of: (i) a cricket ball is thrown vertically upwards and returning to the hands of the thrower?
8 months ago
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The graph given alongside shows how the speed of a car changes with time:
8 months ago
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