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Reika [66]
3 years ago
9

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
Physics
1 answer:
sertanlavr [38]3 years ago
8 0

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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