Using energy considerations, calculate the average force (in N) a 63.0 kg sprinter exerts backward on the track to accelerate from 2.00 to 7.00 m/s in a distance of 25.0 m, if he encounters a headwind that exerts an average force of 30.0 N against him.

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter7: Work And Kinetic Energy
Section: Chapter Questions
Problem 76P: Calculate the power output needed for a 950-kg car to climb a 2.00 slope at a constant 30.0 m/s...
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Using energy considerations, calculate the average force (in N) a 63.0 kg sprinter exerts backward on the track to accelerate from
2.00 to 7.00 m/s in a distance of 25.0 m, if he encounters a headwind that exerts an average force of 30.0 N against him.
N
Additional Materials
O Reading
Transcribed Image Text:Using energy considerations, calculate the average force (in N) a 63.0 kg sprinter exerts backward on the track to accelerate from 2.00 to 7.00 m/s in a distance of 25.0 m, if he encounters a headwind that exerts an average force of 30.0 N against him. N Additional Materials O Reading
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