Find velocity of water issuing from opening at the bottom
The closed tank is pressurized at 15 psig by air as shown. the liquid is water. Determine the velocity of the water issuing from the opening at the bottom. the tank is 15 ft tall from bottom to top where air is on top.
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To a 1.00 L flask is added 0.010 moles of Cu2+ and 0.030 moles of NH3. The Cu2+ and NH3 combine to form several complex ions of copper that have formulas ranging from Cu(NH3)2+ to Cu(NH3)42+.
Calculate the apparent emissivity of the hole defined as the ratio of the actual energy emitted to that energy which would be emitted by a black surface.
Luminol has a molecular weight of 177 g/mol. The forensic technician at a crime scene has just prepared a luminol stock solution by adding 10.0 g of luminol into a total volume of 75.0 mL of H20.
(a) Find the net gravitational force exerted by these objects on a 50.0 kg object placed midway between them. (b) At what position (other than the infinitely remote ones) can the 50.0 kg object be placed so as to experience a net force of zero?
Determine the velocity of the water issuing from the opening at the bottom. the tank is 15 ft tall from bottom to top where air is on top.
A distant galaxy emits light that has a wavelength of 479.2 nm. On earth, the wavelength of this light is measured to be 481.6 nm. Find the speed of the galaxy relative to the earth. (Give your answer to 4 significant digits. Use 2.998 x 108 m/s a
A 4 cylinder, 4 stroke spark ignition engine is running at 2600rpm. The processes in each cylinder are air-standard Otto cycles. Find net work output per cylinder per cycle in Btu.
The specific rotation of (R)-(+)-glyceraldehyde is +8.7. If the observed specific rotation of a mixture of (R)-glyceraldehyde and (S)-glyceraldehyde is +2.5, what percent of glyceraldehyde is present as the R enantiomer?
A block of mass 5.0 kg is pulled across a horizontal surface at a constant speed by a force 14 N directed at 35 degrees from the horizontal. What is the coefficient of kinetic friction between the black and the surface?
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