Evaluate the speed of the wagon after the rock is thrown

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Reference no: EM13658728

A wagon is rolling forward on level ground. Friction is negligible. The person sitting in the wagon is holding a rock. The total mass of the rider, wagon, and rock is 91 kilogram. The mass of the rock is 0.25 kilogram. Initially the wagon is rolling forward at a speed of 0.53 m/s. Then the person throws the rock with a speed of 16m/s. Both speeds are relative to the ground. Determine the speed of the wagon after the rock is thrown

(a) directly forward in one case and

(b) directly backward in another.

Reference no: EM13658728

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