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Answer to Question #4566 in Mechanics | Relativity for Theresa

Question #4566
If a car ca accelerate at 4.3m/s2, how far will it have to travel from rest to reach a speed of 28 m/s?
Expert's answer
a=4.3 m/s2
V=28 m/s
S-?

S=S0+V0t+at2/2
V=V0+at
S0=0, V0=0 => S=at2/2
V=at => t=V/a
S=a/2*V2/a2=V2/2a
S=282/2/4.3=91,16m

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