Conservation of Momentum in an Explosion
At the apex of its trajectory, a 4.0 kg projectile with a horizontal velocity of 10 m/s explodes into two fragments of equal mass. Immediately after the explosion, one fragment has a velocity of 8.0 m/s at an angle of 30° above the horizontal. What is the velocity of the second fragment?
A
16.0 m/s at 60° below the horizontal
B
8.0 m/s at 30° below the horizontal
C
12.0 m/s horizontally
D
13.7 m/s at 17° below the horizontal
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