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Physics, 21.08.2019 18:00 jennkoga

Achild riding a bicycle at 15 meters per second
accelerates at −3.0 meters per second2 for
4.0 seconds. what is the child’s speed at the end
of this 4.0-second interval?
(1) 12 m/s (3) 3.0 m/s
(2) 27 m/s (4) 7.0 m/s

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Achild riding a bicycle at 15 meters per second
accelerates at −3.0 meters per second2 for

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