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A 1128 kg car and a 2210 kg pickup truck approach a curve on the expressway that has a radius of 272 m.
A) At what angle should the highway engineer bank this curve so that vehicles traveling at 72.9 can safely round it regardless of the condition of their tires?
B) As the car and truck round the curve at 72.9 mi/hr , find the normal force on the car to the highway surface (in N).
C) As the car and truck round the curve at 72.9 mi/hr, find the normal force on the truck to the highway surface (in N).
A passenger train is travelling at 31 m/s when the engineer sees a freight train 351 m ahead of his train travelling in the same direction on the same track. The freight train is moving at a speed of 5.6 m/s.
Assume the volume of the tank and the temperature of gas remain constant all through this operation.
A force of k is applied to an object for a small fraction of a second, t_k, less than the duration of one frame, t_f. Our simulation doesn't support applying forces for less than an entire frame, so if we wanted to simulate the effect of force k over..
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What is the magnitude
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Consider an object attached to an ideal spring that oscillates according to the equation x=(34.0 cm) cos (8.10£) where £ is in seconds. what is the mechanical energy of the oscillations
Find the coefficient of friction between ax and grindstone.Two negative point charges are separated by 20 rm cm and feel a mutual repulsive force of 3.35 mu N. The charge of one is three times that of the other. How much charge does each have.
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