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A rock is thrown straight down from the top of a cliff overlooking a canyon with an initial velocity 60 ft/sec and it hits the bottom of the canyon in 9 seconds. Determine:
a) The height from which the rock was thrown
b) The velocity of the rock when it hits the bottom
a shell-and-tube heat exchanger must be designed to heat 2.5 kgs of water from 15 to 85 oc. the heating is to be
A square 3m x 3m gate is located in the 45* sloping side of a dam. Some measurements indicate that the resultant force of the water on the gate is 500kN.(a)Determine the preassure at the bottom of the gate.(b)Show on a sketch where this force acts..
The electric reheating oven is used to heat a continuous sheet of metal from 25-1000C The metal speed is such that the strip of metal spends 2 hours inside this oven, The sheet thickness is 1cm and the ambient temperature is 25C with the temperature ..
a 200 pound man stands at the end of a 16 foot diving board point c with a pin at a and a roller located 6.695 ft away
a 0.1 m long mullite furnace tube is heated from room temperature 25 degrees celcius to 1000 degrees celcius. assuming
for certain liquid mu 6 times 10-5 lb.sft2 at 50 degree f and mu 1.5 times 10-5lb.sft2 at 180 degree f. make use of
a 70 kg boy stands on the edge of a stationary 100 kg platform the platform is on frictionless rollers. suddenly he
two machines are used for filling glass bottles with a soft-drink beverage. the filling process have known standard
a beam of light is emitted in a pool of water from a depth of 69.7 cm. where must it strike the air water interface
two infinite black plates of 600 and 100 degrees celcius exhange heat by radiation. calculate the heat transfer rate
steam exits a turbine with a mass flow rate of 2x105 kgh at a pressure of 0.008 mpa quality of 94 and velocity of 70
rope AB an AC are thrown to a boater whose canoe has capsized.Given that the angle is 25 and the magnitude of the force FR exerted by the river on the boater is 70N determine the tension in rope AB , in rope AC.
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