A person is sitting on a wagon holding a rock. Total mass ofthe wagon, person, a

Question

A person is sitting on a wagon holding a rock. Total mass ofthe wagon, person, and rock is 95.0 kg. Mass of the rock is .300kg.Initially the wagon is rolling forward at a speed of .500m/s. Thenthe person thros the rock with a speed of 16.0m/s. Both speeds arerelative to the ground. Find the speed of the wagon after the rockis thrown directly forward in one case and direclty backward inanother. I dont know how to set up the problem or which parts of theinformation to use. Can someone please help me set up the problem? A person is sitting on a wagon holding a rock. Total mass ofthe wagon, person, and rock is 95.0 kg. Mass of the rock is .300kg.Initially the wagon is rolling forward at a speed of .500m/s. Thenthe person thros the rock with a speed of 16.0m/s. Both speeds arerelative to the ground. Find the speed of the wagon after the rockis thrown directly forward in one case and direclty backward inanother. I dont know how to set up the problem or which parts of theinformation to use. Can someone please help me set up the problem?

Explanation / Answer

You need to look into conservation of momentum

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