Asked by Taylor
A girl coasts down a hill on a sled, reaching
a level surface at the bottom with a speed
of 6.2 m/s. The coefficient of kinetic friction
between runners and snow is 0.059, and the
girl and sled together weigh 736 N.
The acceleration of gravity is 9.8 m/s^2
How far does the sled travel on the level
surface before coming to a rest?
Answer in units of m
a level surface at the bottom with a speed
of 6.2 m/s. The coefficient of kinetic friction
between runners and snow is 0.059, and the
girl and sled together weigh 736 N.
The acceleration of gravity is 9.8 m/s^2
How far does the sled travel on the level
surface before coming to a rest?
Answer in units of m
Answers
Answered by
bobpursley
vf^2=vi^2+2ad
but a=force/mass= -mu*mg/m=-mu*g the negative sign means opposite to motion.
vf^2=6.2^2-2*mu*g*distance
solve for distance.
but a=force/mass= -mu*mg/m=-mu*g the negative sign means opposite to motion.
vf^2=6.2^2-2*mu*g*distance
solve for distance.
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