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March 27, 2015

Homework Help: physics

Posted by john on Tuesday, March 29, 2011 at 11:35pm.

A 14 kg body is moving through space in the positive direction of an x axis with a speed of 220 m/s when, due to an internal explosion, it breaks into three parts. One part, with a mass of 6.4 kg, moves away from the point of explosion with a speed of 190 m/s in the positive y direction. A second part, with a mass of 2.5 kg, moves in the negative x direction with a speed of 460 m/s. What are the (a)x-component and (b)y-component of the velocity of the third part? (c) How much energy is released in the explosion? Ignore effects due to the gravitational force.

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