Question
5. A 20.8-g firecracker bursts into three fragments. An 8.5-g fragment (A) flies away at 25 m/s Z 270°. A 5.6-g fragment (B) flies away at 12 m/ s Z 0°. Calculate the velocity of the 6.7-g fragment (C). Assume that the motion of the fragments lies in a plane. [4 marks]
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