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The coefficent of static friction between the floor of a truck and a box resting on it is 0.38. The truck is traveling at 87.9 km/hr. What is the least distance in which the truck can stop and ensure that
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The coefficent of static friction between the floor of a truck and a box resting on it is 0.38. The truck is traveling at 87.9 km/hr. What is the least distance in which the truck can stop and ensure that the box does not slide?

User Arun V Jose
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4.6k points

1 Answer

5 votes

Answer:


d=79.9m

Step-by-step explanation:

From the question we are told that:

coefficient of static friction
\mu=0.38

Velocity
v=87.9=>24.41667m/s

Generally the equation for Conservation of energy is mathematically given by


\mu*mgd = 0.5 m v^2


d=(0.5*24.42^2)/(0.38*9.8)


d=79.9m

User Roger Russel
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