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A 2000kg weight is at the top of a 20m tower. The weight falls, by pulley system, and transfers all of its energy to a light glider of mass 200kg. Find the potential energy of the weight at the top of the tower and what the velocity of the glider will be after the energy is transferred to it.
two rigid tanks a and b of equal volume v1 m3 are connected by a pipe and valve. initially the valve is closed and the
a single unit of product a requires 2.4 minutes of punch press time and 5.0 minutes of assembly time. the profit for
calculate the specific volume for ammonia gas at 450 k and 4000 kpa using a ideal gas equation b compressibility chart
copper has a melting point of 1085 oc. consider molten copper is cooled from 1200oc.a is homogeneous nucleation
a heat pump maintains a temperature of 25degc inside a house. the house leaks 0.8 kw per degree temperature difference
a 500-hp hydroelectric plant generates power using water at a rate of 1000 ft2min with an overall efficiency of 35.
a cylindrical tank is to contain gas at a pressure of 400 psi and for safety reasons the hoop stress in the tank wall
an electric power distributor charges residential customers 0.10 per kilowatt-hour kwh. the company advertises that
a triangular access port must be provided in the side of a form containing liquid concrete. determine the resultant
a beer distributor incurs a penalty cost of 2 per case of shortage and a 1 charge per case left over in inventory at
the cake batter has an average mass of 0.5 kg between before and after baking and the pyrex cake pan has a mass of 0.9
air as an ideal gas is compressed from a state where the pressure is 0.1 mpa and the temperature is 27o to a state
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