A 24.0-kg body is moving in the direction of the positive x axis with a speed of

Question

A 24.0-kg body is moving in the direction of the positive x axis with a speed of 325 m/s when, owing to an internal explosion, it breaks into three pieces. One part, whose mass is 7.0 kg, moves away from the point of explosion with a speed of 468 m/s along the positive y axis. A second fragment, whose mass is 5.0 kg, moves away from the point of explosion with a speed of 421 m/s along the negative x axis.

What is the speed of the third fragment? Ignore effects due to gravity.

How much energy was released in the explosion?

Explanation / Answer

A 24.0-kg body is moving in the direction of the positive x axis with a speed of

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