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The car in the diagram below travels at a constant speed along the road as shown. A C A. Draw vectors showing its acceleration at
The car in the diagram below travels at a constant speed along the road as shown. A C A. Draw vectors showing its acceleration at points A, B, and C. If any of the acceleration vectors are zero, write a = 0. B. Rank the magnitude of the acceleration at the three points, from largest to smallest. Explain your reasoning. C. The road is wet with rain, and the driver is worried about sliding off the road. The driver decides to change their speed going into each turn, so that the centripetal acceleration is the same in each turn. When the driver is approaching the second turn (containing point C), should they be going faster or slower than they were in the first turn (containing point A)?A 1300 kg car coasts over the top of a circular hill at a constant speed. A. Which free-body diagram best represents this? Explain how you know. A. B. C. B. If the car has a speed of 30 m's and the hill has a radius of curvature of 120 m, what is the centripetal acceleration of the car? C. What is the apparent weight of the car at the top of the hill at 30 m/s? D. What is the fastest the car could go without leaving the ground as it goes over the hill?In the group problems, you considered the forces acting on a motorcyclist driving in a vertical loop at constant speed, at the top and bottom of the loop. In this problem you'll consider what happens at other points on the loop. Point A is at the right-most part of the loop. Point B is at 6450 position that is 45" from point A, measured from the center of the loop as shown. The radius of the loop is 2.5 m, and the combined mass of the motorcycle plus rider is 250 kg. The speed of the motorcyclist is 10.5 -. A. Draw a free-body diagram for point A. (Hint: The normal force is perpendicular to the loop, and the weight force is down. The motorcyclist is driving at constant speed, so there must be a third force acting on them. What is it?) B. Determine the magnitude of all three forces on your FBD for point A.C. Draw a free-body diagram for point B. You may want to choose a different coordinate system than you did for point A. D. Determine the magnitude of all three forces on your FBD for point B
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