Physics · Oct / Nov 2022 · Paper 21 · Question 2
5054
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A child’s toy consists of a flexible track and a model car. Fig. 2.1 shows a diagram of the toy. D B E F C G track 0.45 m A model car Fig. 2.1 The child first holds the car stationary at point A which is 0.45 m above the horizontal sections of track BC and FG. The mass of the car is 0.12 kg. The child then releases the car which travels towards point B. Both air resistance and friction between the car and the track are negligible. The gravitational field strength g is 10 N / kg.
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2(a)[2]
2(b)[3]
2(c)(i)[1]
2(c)(ii)[1]
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