A skydiver ejects from his aircraft and falls 80 m from the ground without friction. When he opens his parachute, he decelerates at 3.5 m/s2. The skydiver hits the ground at 5 m/s. How long was the pilot in the air and at what height did he begin his fall?

A skydiver ejects from his aircraft and falls 80 m from the ground without friction. When he opens his parachute, he decelerates at 3.5 m/s2. The skydiver hits the ground at 5 m/s. How long was the pilot in the air and at what height did he begin his fall?

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter3: Vectors And Two-Dimensional Motion

Section: Chapter Questions

Problem 7WUE: A skier leaves the end of a horizontal ski jump at 22.0 m/s and falls through a vertical distance of...

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Distance and Speed

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2. A skydiver ejects from his aircraft and falls 80 m from the ground without friction. When
he
his parachute, he decelerates at 3.5 m/s2. The skydiver hits the ground at 5 m/s.
opens
How long was the pilot in the air and at what height did he begin his fall?

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