Question Solved1 Answer A) A 2 kg metal plate slides down a 21-meter high slope. At the bottom its speed is 7 m/s. To the nearest Joule, what was the magnitude of the work done by friction? B) If the slope in the above problem is 43 degrees, what is the coefficent of friction (to 2 decimal places)?
YUHKCZ The Asker · Physics
A) A 2 kg metal plate slides down a 21-meter high slope. At the bottom its speed is 7 m/s. To the nearest Joule, what was the magnitude of the work done by friction?
B) If the slope in the above problem is 43 degrees, what is the coefficent of friction (to 2 decimal places)?
Transcribed Image Text: A) A 2 kg metal plate slides down a 21-meter high slope. At the
bottom its speed is 7 m/s. To the nearest Joule, what was the
magnitude of the work done by friction?
B) If the slope in the above problem is 43 degrees, what is the
coefficent of friction (to 2 decimal places)?
More Transcribed Image Text: A) A 2 kg metal plate slides down a 21-meter high slope. At the
bottom its speed is 7 m/s. To the nearest Joule, what was the
magnitude of the work done by friction?
B) If the slope in the above problem is 43 degrees, what is the
coefficent of friction (to 2 decimal places)?
See Answer
Add Answer +20 Points
Community Answer
Y7YEQN The First Answerer
See all the answers with 1 Unlock
Get 4 Free Unlocks by registration
Get 4 Free Unlocks by registration
a) from conservation of Enersy{:[mgh=(1)/(2)mv^(2)+w_(f)],[2xx9.8 xx21=(1)/(2)xx2xx7^(2)+w_(f)],[w_(f)=2xx9.8 xx21-7^(2)]:}Woik done ly w_(f)=362.6J fric ... See the full answer