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The support of a spring-mass system is vibrating with an amplitude of 6 mm and a frequency of 1200 cycles per minute. If the mass is 0.95 kg and the spring has a stiffness of 1950 N/m, determine the amplitude of vibration of the mass. If a damping factor of 0.2 is included, what would be the amplitude ?
Express the bernoulli equation in terms of pressure, head and energy in English units then in SI units with the appropriate constant and conversions factors. use algebraic ubit equations to verify that the equation is correct.
name three countries with the largest percentage of the world coal proved reserve. using the latest value of us coal
Assuming that in drawing of cups, the thickness of the cup bottom and wall is the same as that of the original sheet, ?nd an expression for the ratio of the cup height to diameter, h/d1, in terms of the ratio of blank diameter to cup diameter, do/d..
A piston-cylinder assembly fitted with a spring. The cylinder contains water, initially at 538oC, and the spring is in a vacuum. The piston face, which has an area of 125 cm2 , is initially at x1=50 cm.
a hollow aluminum shaft is to carry a torque of 200 in.kips. the inner radius is 1in and it is 5ft in length. if the
a computer cpu chip operates at steady state with d-c electrical input of 4.5 amps at 9 volts. to prevent the chip from
A 2 lb rocket is launched from the ground, with its launch rail elevated at an angle of 70° from ground, with zero initial speed. Assuming its motor provide a thrust force T = 25 lb for the period of 0 _ 0.1 s, no air resistance, constant gravitatio..
1 initially an insulated rigid tank contains 3.86 kg of water at 265oc and 1 mpa. a heater in the wall of the tank
Motor M draws in the cable with an acceleration of 4 ft/s2, measured relative to the 200-lb mine car. Determine the acceleration of the car and the tension in the cable. Neglect the mass of the pulleys.
a company crates its products for shipping as shown base plate with two springs holding a crate- mass suspended in
Consider nodal configuration 2 of Table 4.2. Derive the finite-difference equations under steady-state conditions for the following situations.
Estimate the heat transfer coefficient between air and the inner tube - The air enters at 16oC and leaves at 32oC. Its flow rate is 30 m/s.
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