Find depth of gutter to maximize its cross-sectional area
The rain gutter is made from sheets of aluminum which are 18 in wide by turning up edges to form right angles. Find depth of gutter which will maximize its cross-sectional area and permit greatest amount of water flow.
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The hydrogen gas generated is collected over water at 25.0°C.The volume of the gas is 150 mL calculated at 1.00 atm. determine the number of grams of sodium used in the reaction.
The probability that airplane engine will fail in transcontinental flight is 0.002. Supposing that engine failures are independent of each other, determine the probability that on certain transcontinental flight, a six-engine plane will experience
Explain what mass O2 is needed to inflate it to the same size and pressure at the 5 degrees Celsius if 12.0 g of O2 is needed to inflate a balloon to a certain size at 27 degrees Celsius.
A sphere of radius r begins from rest and rolls without slipping all along a curved surface, dropping via a vertical distance of 0.666 m. Determine the final speed v of the sphere's center of mass?
The position of an object moving with the simple harmonic motion is given by the equation x = 4 cos (6*pi*t), where x is in meter and t is in seconds. Determine the period of the oscillating system? Describe!
Determine the numbers of grams of al2O3 can be formed from 9 grams of al and9 grams of O2? If 2.19 grams of compound x is burned, 7.4 of grams of CO2misformed, What percentage by weight of compound x is carbon?
When the slits encompass a separation d =.0450 mm, determine the minimum distance from the slits to the screen if 580 nm light is used?
Determine the carbonate and bicarbonate alkalinities, in mg/L as CaCO3, of water having a total alkalinity of the 233.0mg/L as CaCO3 and a ph of 10.47.
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