2. A rubber hockey puck slides without friction on a flat ice surface. Its initial speed is 6.00 m/s. It encounters a ro

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2. A rubber hockey puck slides without friction on a flat ice surface. Its initial speed is 6.00 m/s. It encounters a ro

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2 A Rubber Hockey Puck Slides Without Friction On A Flat Ice Surface Its Initial Speed Is 6 00 M S It Encounters A Ro 1
2 A Rubber Hockey Puck Slides Without Friction On A Flat Ice Surface Its Initial Speed Is 6 00 M S It Encounters A Ro 1 (36.92 KiB) Viewed 32 times
2. A rubber hockey puck slides without friction on a flat ice surface. Its initial speed is 6.00 m/s. It encounters a rough patch of length 20.0 m and coefficient of kinetic friction 0.0800. When the puck leaves the rough patch its speed is decreased. (a) What is the puck's speed upon exiting the rough patch? (b) What work is done by friction? A hockey puck has a mass of 170 g.
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