cargo truck having a weight of 4000 lb skids through a distance of 46 m before colliding with a parked Toyota land cruiser having a wight of 2000 lb. After collision both vehicles skid through a distance equal to 10 m before stopping. If the coefficient of friction between tires and pavement is 0.6 m, compute the speed of the truck after collision. 2. A driver of the service car at Solair Casino Hotel is traveling at 55 mph on a wet road. An object is spotted on the road 450 ft. ahead and the driver is able to come to a stop just before hitting the object. Assuming standard perception/reaction time of 2.5 sec and practical stopping distance,
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1.A cargo truck having a weight of 4000 lb skids through a distance of 46 m before colliding with a parked Toyota land cruiser having a wight of 2000 lb. After collision both vehicles skid through a distance equal to 10 m before stopping. If the coefficient of friction between tires and pavement is 0.6 m, compute the speed of the truck after collision.
2. A driver of the service car at Solair Casino Hotel is traveling at 55 mph on a wet road. An object is spotted on the road 450 ft. ahead and the driver is able to come to a stop just before hitting the object. Assuming standard perception/reaction time of 2.5 sec and practical stopping distance, determine the grade of the road if the car has a deceleration of 11.2 ft/sec2.
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