A track runner, with a mass of 69.0 kg, slides on the ground after tripping and falling. At the start of the slide, the runner moves at a speed of 3.90 m/s before coming to rest. The coefficient of friction between the runner and the ground is 0.700. (a) Find the change in mechanical energy of the runner (in J) from the start of the slide to when she comes to rest. 524 75 (b) How far (in m) does the runner slide? Enteranumber

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A track runner, with a mass of 69.0 kg, slides on the ground after tripping and falling. At the start of the slide, the runner moves at a speed of
3.90 m/s before coming to rest. The coefficient of friction between the runner and the ground is 0.700.
(a) Find the change in mechanical energy of the runner (in 3) from the start of the slide to when she comes to rest.
524 75
(b) How far (in m) does the runner slide?
Enter anumber
Transcribed Image Text:A track runner, with a mass of 69.0 kg, slides on the ground after tripping and falling. At the start of the slide, the runner moves at a speed of 3.90 m/s before coming to rest. The coefficient of friction between the runner and the ground is 0.700. (a) Find the change in mechanical energy of the runner (in 3) from the start of the slide to when she comes to rest. 524 75 (b) How far (in m) does the runner slide? Enter anumber
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