(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

You are standing on a large sheet of frictionless ice and are holding a large rock. In order to get off the ice, you throw the rock so it has velocity relative to the earth of 11.3 m/s at an angle of 34 above the horizontal. Your mass is 67.0 kg and the rock's mass is 14.4 kg.

What is the magnitude of the impulse on the Earth as a result of this throw?

2. Relevant equations

p=mv

J = p_2 - p_1

3. The attempt at a solution

The first part of the question had me find the speed of me after the throw.

m_{me}v_{me}= m_{rock}v_{rock}

67(v) = 14.4(11.3cos34)

v= 2.01 m/s

Now i am asked to find the impulse as stated above.

I thought the impulse would just be zero since momentum of this is conserved but i was wrong.

Can anyone help me with this please?

Thank you :)

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# Homework Help: Impulse - momentum

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