Physics: Acar is traveling at vx = 30 m/s . the driver applies the brakes and the car decelerates at ax = -5.0 m/s2 . what is the stopping distance?

Acar is traveling at vx = 30 m/s . the driver - id302231316, zylandriawilliams

Ответ:

ramos1997

02.01.2022

90 m

Explanation:

We use an ecuation of uniformly accelerated motion, which allows us to find the distance traveled by the car from the moment that driver applies the brakes until it stops completely, that is, when its final speed is zero.

$v_{f}^2=v_{o}^2+2ad$

We isolate the variable d, knowing that the final speed $v_{f}$ is zero

$d=\frac{-v_{o}^2}{2a}\\d=\frac{-(30m/s)^2}{2(-5m/s^2)}=90 m$

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Ответ:

exoticbunnylover123

14.03.2022

Physics

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Explanation:

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Acar is traveling at vx = 30 m/s . the driver applies the brakes and the car decelerates at ax = -5.0 m/s2 . what is the stopping distance?

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