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Consider a 22 Ton railrod flatcar on which are located two automobiles facing one another and located at each end of the flatcar. Vehicle A weights 5,000lb and vehicle B weights 1,500. Assuming vehicle A starts from rest and accelerates at 0.2g for 2 sec and then continues at constant speed and car B accelerates at a(b) ft/s^2 for 2 sec and then continues at constant speed, calculate a(b) such that the flatcar does not move.
a frisbee in flight has lift and drag coefficients of cl and cd respectively where the reference area a is the frisbee
two sites are being considered for wind power generation. on the first site the wind blows steadily at 7 ms for 3000
1.based on the hume-rothery rules speculate on the possible driving forces behind the tendency for ordering in this
a 600 mm diameter wheel rolls without slipping on a horizontal surface as shown. rod ab is attached to the wheel at a
the light right-angle boom which supports the 400-kg cylinder is supported by three cables and a ball-and-socket joint O attached to the vertical x-y surface. Determine the reactions at O and the cable tensions.
juice is extracted from fruits such as apples by compressing and crushing them. based on your knowledge of
nitrogen with a mass of 4.4 lb is contained in a closed rigid tank at 27 degree c. work and heat are transferred to the
What information has to be obtained in order to ensure that the method will be a satisfactory one and determine changes in composition of a fluid. Define what is meant by refractive index, and give the relationship between the incident and refracte..
package is dropped from the plane which is flying with a constant horizontal velocity of vA = 150 ft/s at a height h = 1500 ft. Determine the radius of curvature of the path of the package just after it is released from plane at A.
determine the magnitudes of forces FA and FB acting on each chain and the orientation ? of FB so that the magnitude of FB is a minimum.
a square aluminum plate 5 mm thick and 200 mm on a side is heated while vertically suspended in quiescent air at 40c. a
a cylindrical specimen of a brass alloy 10.0 mm 0.39 in. in diameter and 120.0 mm 4.72 in. long is pulled in tension
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