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Image attached. Pl help. Question is MCQ and related to motion. Correction 12 m/s

Image attached. Pl help. Question is MCQ and related to motion. Correction 12 m/s

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Grade:10

1 Answers

Mohd Mujtaba
131 Points
5 years ago
Answer is 15m/s. Here centre of mass of all three parts must be at rest.so the third part must move in a direction 135degree to the other part in opposite direction. The speed must resultant of other two parts =root of (12^2+9^2)=15m/s. Thank☺☺☺☺☺☺☺

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