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A rocket having a total mass of 8 Mg is fired vertically from rest. If the engines provide a constant thrust of T=300 kN, determine the power output of the engines as a function of time. Neglect the effect of drag resistance and the loss of fuel mass and weight.
find the free-fall velocity of an 8.5-in-diameter sphere bowling ball weighing 16 lbfalling through the following
a layer of ice is placed on a flat hot surface with a constant temperature of 70 degc. the initial layer thickness is
a large storage tank contains 500000 l of milk. milk enters the tank through a 0.05 m diameter pipe at a velocity of 3
1 when a computer is turned off its cpu begins to cool off. imagine that the internal energy of the cpu is given by u
20 kg of water at 200 kpa with a quality 25 is heated under a constant volume process until its pressure reaches 400
a certain superinsulation material having a thermal conductivity of 2 x 10-4 wm.c is used to isulate a tank of liquid
five kg of carbon dioxide gas undergoes a process in a well insulated piston-cylinder assembly from 2 bar 280k to 20
a large vessel had experienced an internal leak of a coolant. it was friday and the work crew needed to get the vessel
suppose that you have a basin of 35c warm water that you use to run a heat engine that cools its substance with air at
a bird flies directly into a plate glass window path of bird is perpendicular to plane of window at a location 1.5
a fruit juice containing 30 solids of molecular weight 100 g was placed in a tray length 100 cm height 90 cm width 8
the 150lb car of an amusement park ride is connected to a rotating telescopic boom.a when r 17ft the car is moving on
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