Physics (AS & A Level) · Feb / March 2017 · Paper 22 · Question 2
9702
As printed in the paper
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2(a)[2]
2(b)(i)[2]
2(b)(ii)[5]
1 4.0 vA = 6.0 vB EK = ½mv 2 × = × 0.50 4.0 6.0 ratio 0.50 6.0 4.0 = 1.5 or ( ) = × 1 ratio 1.5 1.5 = 1.5 2 0.48 = EK of A + EK of B = EK of A + (EK of A / 1.5) = 5/3 × EK of A EK of A = 0.29 (0.288) J
2(b)(iii)[2]
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