A boy hears an eco of his own voice from a distant hill
a boy hears an eco of his own voice from a distant hill after 1s. The speed of the sound is 340m/s. What is the distance of the hill from the boy?
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a boy hears an eco of his own voice from a distant hill after 1s. The speed of the sound is 340m/s. What is the distance of the hill from the boy
After drawing a free body diagram, how do you determine what the forces are in the Ax, Ay directions, etc. without being given any numbers
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What is the density in kg/m3 of: (a) dry air at 25 degrees C and a pressure of 1,000 millibars; (b) moist air with a relative humidity of 80% at the same temperature and pressure
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