A mass m = 5 kg slides along the track shown. If u = 4 m/s at point A, 2, how much work must and v= 10 m/s at point B, and the heights are y₁ = 8 and yB = have been done by friction in going from A to B?

University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
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Chapter8: Potential Energy And Conservation Of Energy
Section: Chapter Questions
Problem 80AP: A skier starts from rest and slides downhill. What will be the speed of the skier if he drops by 20...
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[4.]
and v=
A mass m = 5 kg slides along the track shown. If v= 4 m/s at point A,
10 m/s at point B, and the heights are yA = 8 and yg = 2, how much work must
have been done by friction in going from A to B??
8m
m
"Sky
2
½ m², ² - £10,₁² = migh
mu
1/200,
mon
2
YA
чт
Ув
h=2
Transcribed Image Text:[4.] and v= A mass m = 5 kg slides along the track shown. If v= 4 m/s at point A, 10 m/s at point B, and the heights are yA = 8 and yg = 2, how much work must have been done by friction in going from A to B?? 8m m "Sky 2 ½ m², ² - £10,₁² = migh mu 1/200, mon 2 YA чт Ув h=2
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