Kinematics Equations Video Lessons

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Problem: The brakes of your car can provide an acceleration of 4.6m/s2. You’re speeding at 37.5 m/s and suddenly see a police car, so you slam the brakes. How long will it take for your car to slow down to the speed limit of 25 m/s?

FREE Expert Solution
80% (294 ratings)
FREE Expert Solution

We'll use the kinematics equation:

 vf = v0 +at

80% (294 ratings)
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Problem Details

The brakes of your car can provide an acceleration of 4.6m/s2. You’re speeding at 37.5 m/s and suddenly see a police car, so you slam the brakes. How long will it take for your car to slow down to the speed limit of 25 m/s?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Kinematics Equations concept. You can view video lessons to learn Kinematics Equations. Or if you need more Kinematics Equations practice, you can also practice Kinematics Equations practice problems.