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Three monkeys A, B, and C weighing 23, 23, and 20 lb, respectively, are climbing up and down the rope suspended from D. At the instant represented, A is descending the rope with an acceleration of 3.4 ft/sec2, and C is pulling himself up with an acceleration of 3.1 ft/sec2. Monkey B is climbing up with a constant speed of 3.8 ft/sec. Treat the rope and monkeys as a complete system and calculate the tension T in the rope at D.
why are tangent points so important when sketching, drawing on paper with instruments, or using cad?
consider a carnot power cycle running with 2 kg of water as an operating fluid. during the isothermal expansion the
Note that the positive y direction is downward and counterclockwise torques are positive. find alpha the angular acceleration?
A small boat hangs from two davits, one of which is shown in the figure. The tension in line ABAD is 82 lb, determine the moment about C of the resultant force exerted on the Davit.
question 1consider the figure below which shows the energy-band splitting of silicon. if the equilibrium lattice
piston cylinder device contains 0.06 m3 of saturated water vapor at 350 KPa pressure. Determine the temperature and the mass of the vapor in.
Estimate the time necessary to achieve the same concentration at a 5.3-mm position for an identical steel and at the same carburizing temperature.
a 9 m3 tank has two sections separated by a membrane both of which contain nitrogen gas. the nitrogen in section a has
With reference to basic constructional features, contrast the methods of compression employed by positive displacement and dynamic air compressors.
a water tower supplies water for a ten story building. water flows from a faucet on the first floor with a maximum
the frame ACD is supported by a ball-and-socket joint at A and D and by a cable which passes through a ring at B and is attached to hooks at G and H. Knowing that the frame supports at point C a load of magnitude P=268N, determine the tension in t..
a room is heated by an iron that is left plugged in. is this a heat or work interaction? take the entire room including
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