Physics · May / June 2023 · Paper 42 · Question 2
0625
As printed in the paper
The question as text
A student catches a cricket ball. The speed of the ball immediately before it is caught is 18 m / s. The mass of the cricket ball is 160 g.
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2(a)[3]
26 J
EK = ½mv2 OR (EK =) ½mv2 OR (EK =) ½ × 0.16 × (18)2
(EK =) ½ × 0.16 × (18)2 OR (EK =) ½ × 0.16 × 324 OR (EK =) 2.6 × 10N
2(b)[2]
24 N
Ft = ∆mv OR F = ma OR (F =) (0.16 × 18) / 0.12
2(c)[1]
longer time (of impact / contact) AND smaller force (on them)
OR longer time (of impact / contact) AND does not hurt as much
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