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cloveb cloveb
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Posts: 782
6 years ago
A train travels with constant horizontal velocity of 10m/s relative to the ground. A passenger on the train throws a ball straight up with initial speed of 10 m/s, as measured in the frame of the train. What is the initial speed (in m/s) of the ball relative to the ground?

(1) 14.1 (2) 17.0 (3) 19.8 (4) 20 (5) 12

PHY 2053 Exam
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