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Physics 20 Online
OpenStudy (anonymous):

MEDAL GIVEN TO CORRECT ANSWER. To a stationary observer, a bus moves north with a speed of 10 m/s. A man inside walks toward the back of the bus with a speed of 0.4 m/s relative to the bus. What is the velocity of the man according to a stationary observer? A. 10.4 m/s north B. 0.4 m/s north C. 9.6 m/s north D. 10 m/s north

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