February 20, 2017

Homework Help: Physics

Posted by Steve on Saturday, December 6, 2008 at 7:21pm.

a rocket following a parabolic path through the air suddenly explodes into many pieces. what can you say about the motion of this system.


If only an external force can change the momentum of the center of mass of an object, how can the internal force of the engine accelerate a car?

-For the first one, I think that the since the center of mass changes, the pieces go off into different directions slower?
I don't know about the second one

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