After accelerating up to a speed of 20 m/s on his bike, Jim coasts (stops pedaling). Due to air drag he slows down from 20 m/s to 16 m/s in 10 seconds. What is his average acceleration while coasting?

After accelerating up to a speed of 20 m/s on his bike, Jim coasts (stops pedaling). Due to air drag he slows down from 20 m/s to 16 m/s in 10 seconds. What is his average acceleration while coasting?

An Introduction to Physical Science

14th Edition

ISBN:9781305079137

Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres

Chapter2: Motion

Section: Chapter Questions

Problem 14E: A car travels on a straight, level road. (a) Starting from rest, the car is going 44 ft/s (30 mi/h)...

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Question

After accelerating up to a speed of 20 m/s on his bike, Jim coasts (stops pedaling). Due to air drag he slows down from 20 m/s to 16 m/s in 10 seconds.

What is his average acceleration while coasting?

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