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Andre45 [30]
3 years ago
13

4) A drag racer starts her car from rest and accelerates at 10.0 m/s² for a distance of 400 m (1/4 mile). (a) How long did it ta

ke the race car to travel this distance? (b) What is the speed of the race car at the end of the run?​
Physics
1 answer:
mel-nik [20]3 years ago
3 0

Answer:

A) s=1/2at^2

t=√(2s/a)=√(2x400)/10.0)=9.0s

B) v=at

v=10.0x9=90m/s

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