.fluid mechanics, Physics

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when do we use projected area instead of actual area and why

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Calculate the mass of a proton, The mass of a proton and of an antiproton i...

The mass of a proton and of an antiproton is 1.00728 u. Recall that the conversion of exactly 1 u into energy yields 931.5 MeV. a. Measure the mass used up when a proton and

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The frequency of a wave is 50 Hertz and its wavelength is 25 meters. What is the velocity of this wave? Ans: The velocity of given wave is 1250 meters/second.

Motion, a car of mass 800kg is pulling a trailer 300kg where sin a=1|200.Re...

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Work-energy theorem, In whole analog to the work energy theorem for the tra...

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