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A 0.150kg glider is moving to the right (+ x-axis) on a frictionless horizontal air track with a speed of 0.80 mis. It has a head-on collision with a 0.3 kg glider that is moving to the left (- x-axis)with a speed of 2.20 mis. Find the final velocity (magnitude and direction) of each glider if the collision is elastic.
a simple wheatstone bridge as shown in fig. 7.10 is used to determine accurately the value of an unknown resistance r1
a rigid container with volume 200 l is divided into two equal volumes by a partition. both sides contain nitrogen one
A piston-cylinder assembly with an initial volume of 0.01m^3 is filled with saturated refrigerant 134a vapor at 16 degrees Celsius. The substance is compressed until a state of 9 bars and 60 degrees Celsius is reached. During the compression process,..
air at 100 kpa and 27degc enters an isentropic compressor at a rate of 100 ls and leaves at 1000 kpa. determine the
a large flywheel weighs 3000 kg and has a radius of gyration of 1 m. it is observed that 10 min is required for the
methane is preheated to 80 c degree and is burned in 20 percent excess air that is preheated 200 c degree in a
Gravitational forces pull the two stars together. What is the speed of each star at the moment of impact?
Ten pounds-mass of R-22 is at an initial volume of 4.059 ft3 and pressure of 200 psia. It is compressed isobaric ally until its volume is two-thirds of its initial volume. The piston is then held in place as the refrigerant cools until its temperatur..
Steam in a Carnot engine is compressed adiabatically from 20 kPa to 800 kPa. The heat addition results in saturated vapor. The quality of state 1 (the initial state of the isothermal process at T(h) ) is 15%.
Consider a power plant operating on an ideal Rankine cycle without feed water heating. Steam enters the turbine saturated at 1000F at the rate of 5 x10 lbm/H. The turbine exhausts to a surface condenser at 1 psia. The condenser has an overall heat tr..
Micro structural analysis of a slowly cooled Al-Si alloy indicates there is a 6 volume % silicon-rich proeutectic phase. Calculate the overall alloy composition (in weight percent).
air enters an insulated diffuser operating at steady state with a pressure of 105 nm2 and a temperature of 57 degrees
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