A loaded truck with a mass of 3 tonnes traveling north at 60 km/h collides with a 1 tonne mass truck, travelingeast at 90 km/h at a junction. Calculate in which direction and how far the car is dragged by the truck, knowingthat the coefficient of kinetic friction at the accident site is 0.5.
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A loaded truck with a mass of 3 tonnes traveling north at 60 km/h collides with a 1 tonne mass truck, traveling
east at 90 km/h at a junction. Calculate in which direction and how far the car is dragged by the truck, knowing
that the coefficient of kinetic friction at the accident site is 0.5.
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- You have been called to testify as an expert witness in a trial involving a head-on collision. Car A weighs 1515 lb and was traveling eastward. Car B weighs 1125 lb and was traveling westward at 43.0 mph. The cars locked bumpers and slid castward with their wheels locked for 18.5 ft before stopping. You have measured the coefficient of kinetic friction between the tires and the pavement to be 0.750. What speed (in miles per hour) was car A traveling just before the collision? (This problem uses English units because they would be used in a U.S. legal proceeding.) UF mph(a) A block of mass 13.6 kg is sliding at an initial velocity of 4.65 m/s along horizontal surface right. The surface has a coefficient of kinetic friction of 0.254. How far will it slide before coming to rest? Calculate the time it takes to come to rest? (b) A motorcycle and a truck are both moving in the same direction in adjacent lanes on a highway. Mass of the truck is 8 times that of the motorcycle. At a particular truck instant, the speed of the motorcycle is four times as motorcycle 4v large as the speed of the truck v. Calculate the ratio of kinetic energies of the motorcycle and truck. Calculate the ratio of momentum of the two bodies.You have been called to testify as an expert witness in a trial involving a head-on collision. Car A weighs 1515 lb and was traveling eastward. Car B weighs 1125 lb and was traveling westward at 43.0 mph. The cars locked bumpers and slid eastward with their wheels locked for 17.5 ft before stopping. You have measured the coefficient of kinetic friction between the tires and the pavement to be 0.750 . What speed ? (in miles per hour) was car A traveling just before the collision? (This problem uses English units because they would be used in a U.S. legal proceeding.).
- The driver of an automobile, having only one motor axle, with a weight of 1000 kg, moving with a velocity of60 km/h on a 3% descending section increases its velocity to 90 km/h in 6 seconds and passes the vehicle infront.a) Find the overtake time and the distance.b) If the vehicle has to stop on this highway section, find the upper and the lower limits of the traction forcetransmitted to the wheels.A 5.00-kg block is placed on top of a 12.0-kg block that rests ona frictionless table. The coefficient of static friction between the twoblocks is 0.600. What is the maximum horizontal force that can beapplied before the 5.00-kg block begins to slip relative to the 12.0-kgblock, if the force is applied to (a) the more massive block and (b) theless massive block? why in this question the force between blocks is not taking into account? Each block affect another oneA 5.00-kg block is placed on top of a 12.0-kg block that rests ona frictionless table. The coefficient of static friction between the twoblocks is 0.600. What is the maximum horizontal force that can beapplied before the 5.00-kg block begins to slip relative to the 12.0-kgblock, if the force is applied to (a) the more massive block and (b) theless massive block?
- Consider a large truck carrying a heavy load, such as steelbeams. A significant hazard for the driver is that the loadmay slide forward, crushing the cab, if the truck stops suddenlyin an accident or even in braking. Assume, for example,a 10 000-kg load sits on the flatbed of a 20 000-kg truckmoving at 12.0 m/s. Assume the load is not tied down tothe truck and has a coefficient of static friction of 0.500with the truck bed. (a) Calculate the minimum stoppingdistance for which the load will not slide forward relativeto the truck. (b) Is any piece of data unnecessary for thesolution?Police investigators, examining the scene of an accident involving two cars, measure 72-m-long skid marks of one of the cars, which nearly came to a stop before colliding. The coefficient of kinetic friction between rubber and the pavement is about 0.78. Estimate the initial speed of that car assuming a level road.The Omani "Noor Majan" car is of mass (M) kg is going up Jabal Akhdar, at angle (0), with (N) people inside the car each of (mp) kg. The car model provides (L) Newtons of lift, and it is accelerating up at (a) m/s². The road provides a coefficienct of kinetic ?friction (uk). What is the force exerted by the engine [Hint: This question has no numbers. Your answer needs to be an equation]
- Consider a large truck carrying a heavy load, such as steel beams. A significant hazard for the driver is that the load may slide forward, crushing the cab, if the truck stops suddenly in an accident or even in braking. Assume, for example, a 13,000-kg load sits on the flatbed of a 20,000-kg truck moving at 10.0 m/s. Assume the load is not tied down to the truck and has a coefficient of static friction of 0.550 with the truck bed. (a) Calculate the minimum stopping distance for which the load will not slide forward relative to the truck. m (b) Is any piece of data unnecessary for the solution? (Select all that apply.) O mass of the load O mass of the truck O velocity O coefficient of static frictionThe Omani "Noor Majan" car is of mass (M) kg is going up Jabal Akhdar, at angle (n), with (N) people inside the car each of (mp) kg. The car model provides (L) Newtons of lift, and it is accelerating up at (a) m/s². The road provides a coefficienct of kinetic ?friction (uk). What is the force exerted by the engine [Hint: This question has no numbers. Your answer needs to be an equation]You have been called to testify as an expert witness in a trial involving a head-on collision. Car A weighs 1515 lb and was traveling eastward. Car B weighs 1125 lb and was traveling westward at 43.0 mph. The cars locked bumpers and slid eastward with their wheels locked for 22.5 ft before stopping. You have measured the coefficient of kinetic friction between the tires and the pavement to be 0.750. What speed u (in miles per hour) was car A traveling just before the collision? (This problem uses English units because they would be used in a U.S. legal proceeding.) V = mph