Projectile Motion: In a room where g = 9.81 m/s2, a hockey puck slides off the edge of a platform with an initial velocity of 28.0 m/s horizontally. The height of the platform above the ground is 2.00 m. What is the speed of the puck just before it hits the ground? The air resistance is negligibly small.
A. 48.2 m/s
B. 28.7 m/s
C. 28.0 m/s
D. 26.3 m/s
E. 6.26 m/s
Answer: B
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