# Recoil velocity calculation

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A 37.0 kg child standing on a frozen pond throws a 0.500 kg stone to the east with a speed of 6.00 m/s. Ignoring friction between the child and the ice, find the recoil velocity of the child. (Assume the positive direction is to the east.)

m/s

https://brainmass.com/physics/velocity/recoil-velocity-calculation-41219

#### Solution Preview

This is an example of the conservation of momentum. Before the child throws the stone, both the stone and the child are at rest so the total momentum is zero. ...

#### Solution Summary

This solution is provided in 124 words. It uses conservation of momentum to rearrange the equation and solve for the recoil velocity.

$2.49