Physics, 25.10.2019 15:43 mahmudabiazp3ekot
Aroad engineer designs exit ramp of the ac expressway with a banked curve to allow a car to travel on the ramp with a speed of 40 mph when the ramp is ice covered and the coefficient of friction is zero. the curve has a radius of 35.0 meters.
a.) at what angle is the curve banked?
b.) if the coefficient of friction is normally 0.2, what is the maximum speed a car can negotiate the curve?
c.) if the coefficient of friction is normally 0.2, what is the minimum speed a car can negotiate the curve?
Answers: 2
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An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
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The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element
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Aroad engineer designs exit ramp of the ac expressway with a banked curve to allow a car to travel o...
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