Please answer fast While hauling a log in the back of a flatbed truck, a driver is pulled over by the state police. Although the log cannot roll sideways, the police claim that the log could have slid out the back of the truck when accelerating from rest. The driver claims that the truck could not possibly accelerate at the level needed to achieve such an effect. Regardless, the police write a ticket, and the driver's court date is approaching. The log has a mass of ?=904 kg; the truck has a mass of ?=8.90×103 kg. According to the truck manufacturer, the truck can accelerate from 0 to 55 mph in 26.0 s, but this does not account for the additional mass of the log. Calculate the minimum coefficient of static friction ?s needed to keep the log in the back of the truck.
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While hauling a log in the back of a flatbed truck, a driver is pulled over by the state police. Although the log cannot roll sideways, the police claim that the log could have slid out the back of the truck when accelerating from rest. The driver claims that the truck could not possibly accelerate at the level needed to achieve such an effect. Regardless, the police write a ticket, and the driver's court date is approaching.
The log has a mass of ?=904 kg; the truck has a mass of ?=8.90×103 kg. According to the truck manufacturer, the truck can accelerate from 0 to 55 mph in 26.0 s, but this does not account for the additional mass of the log. Calculate the minimum coefficient of static friction ?s needed to keep the log in the back of the truck.
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