A Firecracker Breaks Up into Several Pieces,one of Which Has

A firecracker breaks up into several pieces,one of which has a mass of 200 g and flies off along the
X-axis with a speed of 82.0 m/s.A second piece has a mass of 300 g and flies off along the y-axis with a speed of 45.0 m/s.What are the magnitude and direction of the total momentum of these two pieces?

A) 361 kg•m/s at 56.3° from the x-axis
B) 93.5 kg•m/s at 28.8° from the x-axis
C) 21.2 kg•m/s at 39.5° from the x-axis
D) 361 kg•m/s at 0.983° from the x-axis
E) 21.2 kg•m/s at 56.3° from the x-axis

Correct Answer:

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