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salantis [7]
3 years ago
7

A race car starts from rest and travels east along a straight and level track. For the first 5.0 s of the car's motion, the east

ward component of the car's velocity is given by _x(t)=(0.820m/s3)t2.
Physics
1 answer:
son4ous [18]3 years ago
7 0
The solution to your problem is as follows:

a=dv/dt=2*0.82*twhat time velocity is 13.7 solve 13.7=0.82*t^2   t=sqrt(13.7/0.82)  =4.51 sUse the time in the acceleration expression a= 2*0.82*4.51=7.39m/s^2


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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