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A particle which moves in two-dimensional motion has coordinates given in inches by x = t2 - 4t + 20 and y = 3 sin 2t, where the time t is in seconds. Determine the magnitudes of the velocity v and the acceleration a and the angle theta between these two vectors at time t = 3 sec.
Calculate reactions of a simply supported continuous beam. A beam is simply supported at the ends and is continuous over two spans.
What is the composition of the alloy and what is the temperature at which the first solid phase solidifies? (Estimates rounding to convenient numbers are sufficient.)
If an identical spring is cut so that one part is one-fourth and the other part three-fourths of the original length, and the mass m is connected to the two parts, what would be the natural period of the system?
calculate the incidence it of the tailplane for trim if the elevator deflection e is zero. ii calculate the neutral
these include micrel mm5450 mic5821 allegro a6276ea ucn5832a and texas instruments tpic6c595. these are all serial
in a railroad switchyard a 50 ton freight car is sent at 7.4 mih toward a 27 ton car that is moving in the same
A similar measurement is made applying the force parallel to one of the cube axes. Explain why the two measurements give different values of the elastic modulus.
The heat transfer coefficient in the oven is 25W/m^2K. Calculate rate of heat transfer per m^2 area.
a nuclear power plant has an electrical power output of 1800 mw and operates with an efficiency of 30. if excess
energy is added to a piston cylinder arrangement, and the piston is withdrawn in such a way that the quantity PV remains constant. the initial pressure and volume are 200kpa and 2m3, respectively. the final pressure is 100kpa, calculate the work d..
Evaluate the variation of hoop stresses across the wall of the compound cylinder.
a .005 m3 quartz tube is filled with proper proportions of liquid water and water vapor at 100 kpa. it is then sealed
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