Two football players are pushing a 60kg blocking sled across the field at a constant speed of 2.0 m/s. The coefficient of kineti
c friction between the grass and the sled is 0.30. Once they stop pushing, how far will the sled slide before coming to rest
1 answer:
Answer:
The sled slides 0.68m before rest.
Explanation:
Vi= 2 m/s
m= 60kg
μ= 0.3
N= m * g = 60kg * 9.8 m/s²= 588 N
Fr= μ * N
Fr= 176.4 N
a= Fr/m
a= -2.94m/s²
t= Vi/a
t= 0.68 seg
d= Vi*t - a*t²/2
d= 0.68m
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