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A car starts from rest and accelerates at a constant rate until it reaches 85 mi/hr in a distance of 110 ft, at which time the clutch is disengaged. The car then slows down to a velocity of 30 mi/hr in an additional distance of 370 ft with a deceleration which is proportional to its velocity. Find the time t for the car to travel the 480 ft.
the magnitude of the velocity vector of the car is v80 fts. if the vector v forms an angle theta 0.09 rad with the
a storage tank holds 75 cubic meters of a gas at 28deg c and a pressure of 130kpa. the gas appears to have a molecular
describe possible methods that can be used to separate materials such as polymers, aluminium alloys and steels from one another.
air flows in a channel whose velocity at 3 neighbouring points ab and c which are 10 cm apart are shown in the
the area of a rectangle with a perimeter of 200 cm is modeled by a function a 100l - l2 where l is the length of the
a 0.3 kg bullet is fired into a 3.6 kg wooden block and becomes embedded in it. knowing that the block and bullet move
You have a 120 Ω quarter bridge 2 wire set up with Sg=2.10 and an unknown lead wire resistance. A 59880Ω calibration resistor is switched in parallel to the gage only and a recording instrument is set to give a -100 mm deflection for this calibrat..
xerted on the shaft shown in the figure, which rotates at 1150 rev/min and supports a 10-kip bending force. Use a 1095 HR steel. Specify a diameter d using a design factor of nd = 1.6 for a life of 3 min. The surfaces are machined.
If the truck starts from rest when xD is zero, and moves forward with a constant acceleration of aD = 5 m/s2, determine the speed of the block at the instant xD = 3 m.
you have a bevel gear and shaft and you have to find the maximum load that can be applied on it. what type of
Plot the spectral blackbody emissive power of the sun versus wavelength in the range of 0.01 micro m to 1000 micro m?
An engineer insists that a component is fully constrained with 0 DOF because 2 plates are bolted together with 4 screws (assuming one of the 2 plates is considered "grounded"). Is he / she correct? Explain why or why not using concepts discuss..
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