Kinematics Equations Video Lessons

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Problem: A runner moving with an initial velocity of 8.7 m/s slows down at a constant rate of -1.4 m/s2 over a period of 2.0 seconds. What is her velocity at the end of this time?A) 0.70 m/sB) 11.50 m/sC) 2.80 m/sD) 5.90 m/sE) -2.80 m/s

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Problem Details

A runner moving with an initial velocity of 8.7 m/s slows down at a constant rate of -1.4 m/s2 over a period of 2.0 seconds. What is her velocity at the end of this time?

A) 0.70 m/s

B) 11.50 m/s

C) 2.80 m/s

D) 5.90 m/s

E) -2.80 m/s

Frequently Asked Questions

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.

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Our expert Physics tutor, Patrick took 3 minutes and 13 seconds to solve this problem. You can follow their steps in the video explanation above.