As you stand by the side of the road a car approaches you
As you stand by the side of the road, a car approaches you at aconstant speed, sounding its horn, and you hear a frequency of 80Hz. After the car goes by, you hear a frequency of 60.0 Hz. What is the speed of the car?
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a microwave oven is powered by an electron tube called amagnetron that generates electromagnetic waves of frequency215
a block m1is resting on a frictionless horizontal surface this blockis connected to a block m2 by a string over
an ideal gas at 145 degc and a pressure of 110 x 105pa occupies a volume of 417 m3a how many moles of gas are presentb
a middle-aged man starts to wear eyeglasses with lenses of20 d that allow him to read a book held as close as 25
as you stand by the side of the road a car approaches you at aconstant speed sounding its horn and you hear a frequency
a 150-n sled is pulled up a 28 degree slope at a constant speed by a force of 100n what is the coefficient of kinetic
what are the organic chemical groups that characterize carbohydrates how are the carbohydrates classified according to
assuming the lower leg and foot together have a combined mass of 4kg and the center of mass is located at the center of
an x-ray machine uses 260 kv rms at800 ma rms when it is operating the power source is a 420 v rms linea what must be
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