physics

The figure shows the velocity of a solar-powered car as a function of time. The driver accelerates from a stop sign, cruises for 20 at a constant speed of 60 , and then brakes to come to a stop 40 after leaving the stop sign.

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  1. a) 1.7
    b) -1.7
    c) 0
    d) 0

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  2. -1.7 b

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