A hockey puck slides off the edge of a horizontal platform with an initial velocity of 28.0 m/shorizontally in a city where the free-fall acceleration is 9.81 m/s2.The height of the platform above the ground is 2.00 m.What is the angle below the horizontal of the velocity of the puck just before it hits the ground if you ignore the effects of air?
A) 77.2°
B) 72.6°
C) 12.8°
D) 12.6°
E) 31.8°
Correct Answer:
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