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The weight of a water tank open to the atmosphere is balanced by a counterweight equidistant from the fulcrum. There is a 4-cm hole at the bottom of the tank, and water level in the tank is maintained constant at 50 cm by water entering the tank horizontally. Determine how much mass must be added to or removed from the counterweight to maintain balance when the hole at the bottom is opened.
Water is to be supplied at a rate of 5000 kg/s to a hydro-electric generator located at the bottom of a lake at a height h. If the efficiency of the turbine-generator is 75% and of the generator 95%;
some engineers have suggested that air compressed into tanks can be used to propel personal transportation vehicles.
a curve of radius 200m on a level road is banked correctly for a speed of 65 kmh. if an automobile of mass 2 mg rounds
Average pressure at end of stroke? Upsetting force required at the end of the stroke? If friction is neglected, what is the amount of upsetting force?
steam enters a turbine with a pressure of 30 bar a temperature of 400 degc at a velocity of 160 ms. steam exits as
a paperclip is made of wire 1.25mm in diameter. if the original material from which the wire is made nbspwas 15mm in
for the development of software products the scm software configuration management process is closely followed as a way
An air conditioner can produce a 120 kJ/min cooling effect while rejecting 2.5kW of heat. What is its COP and the electricity it consumes? An inventor claims to have designed a system which can produce the same cooling rate but consumes only 0.05kW e..
1. which has the larger area moment of inertia a 2 x 2 square beam of high strength stainless steel or a 2 x 2 square
the silver medal awarded to the second place winner in 2002 salt lake city winter olympics had a composition of 92.5 at
two slender rods of negligible weight are pin-connected at a and attached to the 18-lb block b and the 80-lb block c as
A solid cylinder with a radius of 5.0 cm and a length of 10 cm is cut in half lengthwise. What is the surface area of one of the two resulting objects?
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