While hauling a log in the back of a flatbed truck, you are pulled over by the s

Question

While hauling a log in the back of a flatbed truck, you are pulled over by the state police. although the log can't roll sideways, the police claims that the log could have slide out the back of the truck when accelerating from rest. You claim that the truck couldn't have possible accelerate at the level needed to achieve such an effect. Regardless, the police writes a ticket anyways and now your day in court is approaching. The log has a mass of m= 784 kg, the truck has a mass of M= 9.70 X 10^3 kg. According to the truck manufacturer, the truck can accelerate from 0 to 55 mph in 24.0 seconds, but this does not account for the additional mass of the log. Calculate the minimum coefficient of static friction needed to keep the log in the back of the truck.

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Explanation / Answer

Um yeah, converted from mph, its .096621449 coefficient of friction

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