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Using energy considerations, calculate the average force a
Chapter 7, Problem 15(choose chapter or problem)
Problem 15PE
Using energy considerations, calculate the average force a 60.0-kg sprinter exerts backward on the track to accelerate from 2.00 to 8.00 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.
Questions & Answers
QUESTION:
Problem 15PE
Using energy considerations, calculate the average force a 60.0-kg sprinter exerts backward on the track to accelerate from 2.00 to 8.00 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.
ANSWER:
Problem 15PE
Solution 15 PE
Step 1 :
In this question, we need to find average force exerted by sprinter to accelerate
Data given
Mass of sprinter
Initial velocity
Final velocity
distance
Headwind Force