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The acceleration of a particle is defined by the equation a = -k*sqrt(v), where k is a constant. When t=0, the initial position is xo=0 and the initial velocity is vo=81ft/s. Knowing that v =36ft/s when x=18ft, determine the velocity of the particle when x = 20ft, and the time required for the particle to come to rest.
a well insulated rigid tank with a volume of 0.4m3 and pressure 150kpa is subject to an internal resistance heater of
the inner surface of a hollow cylinder internally pressurized to 100mpa experiences tangential and axial stresses of
determine the specific volume of superheated nitrogen gas at an absolute pressure of 678 kpa and -134degc based on a
Nitrogen enters a nozzle steadily at 1.2mpa and 600k with a velocity of 30m/s the inlet area of the nozzle is 0.005m^2 the nitrogen leaves the nozzle at 298k with a velocity if 400m/s. find the heat transfer rate during the process?
a 1500 kg car is traveling up on a road with a slope of 15 i.e. rise of 15 on a run of 100 at a constant speed. knowing
1- a car starts rest and with constant acceleration achieves a velocity of 15 ms. when it travels of 200 m determine
a piston - cylinder device initially contains 0.1 m3 of nitrogen gas at 150 kpa and 130 degc. the nitrogen is now
the load is supported by the four 304 stainless steel wires that are connected to the rigid members ab and dc.
You notice that the ceramic coffee mugs in the office get too hot to hold about 10 seconds after pouring in the hot coffee. The wall thickness of the cup is 2mm. What, approximately, is the thermal diffusivity of the ceramic of the mug? According to ..
estimate the temperature at which the top land very top of the piston would be touching the liner that is kept at a
saturated water vapor at 200 kpa is expanded slowly and without friction i.e. internally reversibly and isothermally in
a photocell is composed of germaniumand it is exposed to filtered solar radiation. the filter passes all wavelengths
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