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Home Q & A Board Science-Related Homework Help Physics
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mikael mikael
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10 years ago

 
Find the net work done by friction between the ground and the body of a snake slithering in a complete circle of 2.57 m radius. The coefficient of friction between the ground and the snake is 0.25, and the snake's weight is 63.0 N. 
A)
 
250 J 
B)
 
0 J 
C)
 
2500 J 
D)
 
510 J 
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padrepadre
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9 years ago
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mikael Author
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#2
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9 years ago
Thanks for the assistance.
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#3
3 years ago
Thank you!
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#4
A year ago
Find the net work done by friction between the ground and the body of a snake slithering in a complete circle of 3.35 m radius. the coefficient of friction between the ground and the snake is 0.25, and the snake's weight is 56.0 N.
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#5
A year ago
Force Frictional : 0.25 * 56 = 14 N

work = 14 *2 *pi *r = 14 *2 *3.14 *3.35 = 290J
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