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Physics, 05.10.2019 09:30 erinolson07cats

Acar is traveling at 20 meters/second and is brought to rest by applying brakes over a period of 4 seconds. what is its average acceleration over this time interval? a it has no accerelation. b its accerelation is 20 meters/second2.c. its accerelation is -5 meters/second2.d its accerelation is 5 meters.

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