Anonymous
Anonymous asked in Science & MathematicsPhysics · 4 months ago

What is the least distance in which the truck can stop and ensure that the box does not slide? ?

The coefficient of static friction between the floor of a truck and a box resting on it is 0.27. The truck is traveling at 79.2 km/hr. What is the least distance in which the truck can stop and ensure that the box does not slide? 

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  • 4 months ago
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    79.2km/hr *1000m/km * 1hr/3600s = 22m/s

    m*a = m*g*µ so a = g*µ = 9.8*0.27 = 2.646m/s²

    22² = 2*a*d

    d = 22²/(2*2.646) = 91.5m

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