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The velocity of a particle moving along x axis is defined by v=kx^3-4x^2+6x where v is in m/s,x in m and k is a constant .if k=2 compute the acceleration when x=2m
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an aluminum ball does not fit through a brass ring at 20oc. the diameter of the ball is 2.001 cm and the inner diameter
Two resistors, R 1 = 100.0 ± 0.2? And R2 = 50.0 ± 0.1? are connected (a) in series and (b) in parallel. Calculate the uncertainty in the resistance of the resultant circuits. What is the maximum possible error in each case?
A cylinder with a piston restrained by a linear spring contains 2kg of carbon dioxide at 500 kPa, 400 C the system is now cooled to 40C, at which point the pressure is 300 kPa. You may assume ideal gas behavior with constant specific heat value Cv=0...
two mating spur gears are 20 mm wide and the tooth profiles have radii of curvature at the line oif contact of 10 and
what is the magnitude of the impulse applied to the projectile by its weight from t 0 s to 3 s? given mass of
A model of an airplane is to be tested at 20°C in a wind tunnel. The model is built to 1/12th scale. In order to match both the Mach number and the Reynolds number of the plane, the wind tunnel is pressurized. To what pressure (in atm) should the air..
a piston-cylinder contains air at a pressure of 500 kpa. the piston movement is resisted by a spring and atmospheric
A voltage signal is produced by a transducer. The signal contains its strongest frequency component at 50 Hz (amplitude = 5.0 V), plus a weaker component at the second harmonic (100 Hz) with amplitude 2.0 V. In addition, there is noise at 60 Hz with ..
water from a pipeline is diverted into a weigh tank for exactly 10 min. the increased weight in the tank is 4765 lbf.
ocean temperature energy conversion otec power plants generate power by utilizing the naturally occurring decrease with
a a rod of steel 0.5 m long is heated from 20 c to 80 c while its ends are maintained rigid. determine the type and
What is the couple moment of the two couples that act on the pipe assembly. The distance from A to B is d = 400 mm.express the result as a cartesian vector.
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