In a Room Where G = 9

question 7

Multiple Choice

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

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