yusriatif yusriatif

01-10-2021
Physics

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The speed of a car when passing a point P is 30 m s⁻¹ and changes uniformly over a distance of 323 m to 60 m s⁻¹. Calculate the acceleration of the car.

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crissz67 crissz67

01-10-2021

V^2=U^2+2as

V=60m/s

U=30m/s

S=323m

60^2=30^2+2(323)a

3600=900+646a

646a=3600-900

646a=2700

a=4.2m/s^2

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