What is the mass of the other body

Reference no: EM13317534

A body of mass 1.2 kg makes an elastic collision with another body at rest and continues to move in the original direction but with 1/7 of its original speed.

(a) What is the mass of the other body?

(b) What is the speed of the two-body center of mass if the initial speed of the 1.2 kg body was 5.5 m/s?

Reference no: EM13317534

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