A Hockey Puck Slides Off the Edge of a Platform

question 130

Multiple Choice

A hockey puck slides off the edge of a platform with an initial velocity of 20 m/s horizontally.The height of the platform above the ground is 2.0 m.What is the magnitude of the velocity of the puck just before it touches the ground? You can neglect air.

• A)21 m/s
• B)22 m/s
• C)24 m/s
• D)25 m/s
• E)6.3 m/s

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