# What is mu k

$$\mu$$k

i don't know what it means??

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Pengwuino
Gold Member
Context helps.

Context helps.

1. Suppose a hanging 1.0kg lab mass is attached to a 4.0kg block on the table

a. If the coefficient of kinetic friction, $$\mu$$k is .2, what is the acceleration?

$$\mu$$k

i don't know what it means??
At a guess I'd say the coefficient of kinetic friction, but it is difficult to tell without any context and Pengwuino said.

1. Suppose a hanging 1.0kg lab mass is attached to a 4.0kg block on the table

a. If the coefficient of kinetic friction, $$\mu$$k is .2, what is the acceleration?
Here