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What is the unknown mass

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Reference no: EM132072437

A(n) 1.4 kg mass sliding on a frictionless surface has a velocity of 3.4 m/s east when it undergoes a one-dimensional elastic collision with an unknown mass that is initially at rest. After the collision the velocity of the 1.4 kg is 2.4 m/s west. What is the unknown mass? Answer in units of kg.

Reference no: EM132072437

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