Asked by TJ
An ice skater is traveling in a straight, horizontal line on the ice with a velocity of v = 6.5 m/s in the positive x-direction. The coefficient of kinetic friction between the skates and the ice is μk = 0.23.
v = 6.5 m/s
μk = 0.23
A. Using the expression for normal force, write an expression for the skater's acceleration in the x-direction, a.
B. How long, th in seconds, will it take for the skater's velocity to drop by half?
C. How far, dh in meters, will the skater travel during the time th?
v = 6.5 m/s
μk = 0.23
A. Using the expression for normal force, write an expression for the skater's acceleration in the x-direction, a.
B. How long, th in seconds, will it take for the skater's velocity to drop by half?
C. How far, dh in meters, will the skater travel during the time th?
Answers
Answered by
Benevolent
A) mg
B) 3.19 seconds
B) 3.19 seconds
Answered by
Lastoneout
-μk(g)
Answered by
Physicsishard
a) mg
b) -ukg
b) -ukg
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