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28-02-2019
Chemistry

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From A complete stop a car reaches a velocity of 280 KM/S east in 7 seconds what is the rate of acceleration?

A.4 KM/S
B.7 KM/S
C.40 KM/S
D.70 KM/S

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Respuesta :

28-02-2019

The rate of acceleration is 40KM/S because

280/7 =40KM
Acceleration =change in velocity/time taken

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