Question

Two particles of masses 3 kg and 2 kg collide perfectly in elastically. If, before collision, their speeds were 2 ms–1

& 3 ms–1

respectively, find the speed of the combined mass. (They were initially moving n opposite direction).

(a) 2.5 ms–1

(b) 1.5 ms–1

(c) 0 ms–1

(d) 2.4 ms–1
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Answer 1

Answer:

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