NylaJohnson1085 NylaJohnson1085

16-01-2019
Physics

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An automobile accelerates at 4 m/s^2 from 20 m/s to 36 m/s. How long did that acceleration take

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kcnawlay170 kcnawlay170

16-01-2019

Answer ; 4s

A = 4m/s^2 u=20m/s v=36m/s

Using Eq

V=U+at

36=20+4t

-20 -20

16=4t

4 4

Value of t comes out to be 4s

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