Find the sum upto n terms

Reference no: EM13711549

find the sum upto n terms of the following sequence 3+33+333+... n terms

Reference no: EM13711549

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Determine net rate of heat transfer for ambient reservoir : A heat pump supplies 40 kW of heat to maintain the inside of a house at 25 degree C in cold winter months when the ambient temperature is 00C. Power required to operate the heat pump cycle is provided by a heat engine cycle which receives 10 kW of he..

Determine the velocity of the air at the inlet : At steady state, air at 200 kPa, 325 K, and mass flow rate of 0.5 kg/s enters an insulated duct having differing inlet and exit cross-sectional areas. The inlet cross-sectional area is 6 cm 2 . At the duct exit, the pressure of the air is 100 kPa and..

Streams of cold and warm air are mixed to get air : In air-conditioning systems, streams of cold and warm air are mixed to get air with the right temperature. Consider a mixing chamber into which cold air enters at 8 degree C and 100 kPa at a rate of 0.55 m3/s and warm air enters at 30 degree C and 10..

Find the sum upto n terms : find the sum upto n terms of the following sequence 3+33+333+... n terms

Determine the voltage of the source : A piston-cylinder device contains 12 kg of saturated R-134a vapor at 3.2 bar. An electric source supplies 8 A current to a resistor within the cylinder for 4 minutes and there is heat transfer of 400 kJ to the system. During these energy interactions..

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