A Container Explodes and Breaks into Three Fragments That Fly

question 10

Multiple Choice

A container explodes and breaks into three fragments that fly off 120° apart from each other,with mass ratios 1: 4: 2.If the first piece flies off with a speed of 6.0 m/s,what is the speed of the other two fragments? (All fragments are in the plane. )

• A)1.5 and 3.0 m/s
• B)0.9 and 3.0 m/s
• C)1.5 and 0.9 m/s
• D)1.0 and 3.0 m/s

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