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a motor speedway has turns with radii of 335.28 m that arebanked at 33 degrees w

ID: 1762104 • Letter: A

Question

a motor speedway has turns with radii of 335.28 m that arebanked at 33 degrees what is the " no friction" speed for car on these turns? During NASCAR race cars go through turns at 320 km/hr. Do they need friction to take turns at this speed? Prove withcalculations a motor speedway has turns with radii of 335.28 m that arebanked at 33 degrees what is the " no friction" speed for car on these turns? During NASCAR race cars go through turns at 320 km/hr. Do they need friction to take turns at this speed? Prove withcalculations

Explanation / Answer

We know the formula for the angle of banking is                         tan = v2 / (rg)                          v = (rgtan)    Here r = 335.28m            g= 9.8m/s2            = 33o Substiute all these values in the above formula and solve forthe value of the no friction speed (v) of the car.            = 33o Substiute all these values in the above formula and solve forthe value of the no friction speed (v) of the car.
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