Answer to Question #279505 in Physics for Jas

Question #279505

A 15kg box is being pulled with a force of 60N and is sliding with an acceleration of 4 m/s^2. Find the coefficient of kinetic friction.

Expert's answer

$F=ma\to 60-\mu mg=ma\to \mu=(60-ma)/(mg)=$

$=(60-15\cdot 4)/(15\cdot9.8)=0$ . Answer

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