How long will it take to empty the pool
A pump is used to empty a 4000 L wading pool. The water exits the 3.0-cm-diameter hose at a speed of 2.2 m/s .
How long will it take to empty the pool?
Express your answer using two significant figures.
Expected delivery within 24 Hours
A 95 kg clock initially at rest on a horizontal floor requires a 650 N horizontal force to set it in motion. After the clock is in motion, a horizontal force of 560 N keeps it moving with a constant velocity. Find the coeffecient of static frictio
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A pump is used to empty a 4000 L wading pool. The water exits the 3.0-cm-diameter hose at a speed of 2.2 m/s . How long will it take to empty the pool?
The viscosity of the water is 1.12x10^-3 Pa s. Determine the power (in horse power) that must be supplied to the converter belt.
A test is made of H0: u = 69 versus H1: u /= 69. A sample size n = 72 is drawn and X= 70. The population standard deviation is 27. Compute the value of the statistic Z.
The mass spectrum of an organic compound,C40H82 contains M+ and M+1 peaks. If we assume the intensity ofM+ peak 100, what would be the intensity of M+1peak? Note: Ignore any effect of higher isotope of H.
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