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1. A motor gives gear A an angular acceleration of aA = (2 + 0.006 u2) rad> s2, where u is in radians. If this gear is initially turning at vA = 15 rad> s, determine the angular velocity of gear B after A undergoes an angular displacement of 10 rev.
2. A motor gives gear A an angular acceleration of aA = (2t3) rad> s2, where t is in seconds. If this gear is initially turning at vA = 15 rad> s, determine the angular velocity of gear B when t = 3 s.
A small fan moves air at a mass flow rate of 0.004 lbm/s. Upstream of the fan the pipe diameter is 2.5 in., the flow is laminar, the velocity distribution is parabolic, and the kinetic energy coefficient 1, is equal to 2.0. Downstream of the fan, the..
a ball is projected from point a with a inital speed of v at an angle of 25 degrees above the x-axis. the ramp ab is at
A heat engine operates between two temperature limits of 1200 K and 300 K. It receives 1 MJ of heat while producing 450 kJ of useful work.
When a force of 10.0 N is exerted on the handle of a door,the door can be just opened. If the handle is at a distance of 50 cm from the hinges, find the torque applied on the door.
A piston cylinder device initially contains 0.071m^3 of nitrogen gas at 140kPa and 135 degrees C. The nitrogen is now expanded to a pressure of 80kPa polytropically with a polytropic exponent whose value is equal to the specific heat ratio. Determine..
Solve the problem in the image. Do it step wise in detail. This question is from book "Fracture Mechanics - An Introduction - E. Gdoutos Springer (Page 74)"
a flat plate solar collector is to be considered as a means to drive a pump to irrigate crops. this will be used in
A pipeline is to be built of this steel and to minimize the wall thickness of the pipe, the stress in the walls should be as high as possible without either fracture or yielding. Inspection techniques ensure that there are no cracks longer than 2 ..
Air at a pressure of 1 ATM, a temperature of 15° C, and a velocity of 10 m/s flows over a 3 m long flat plate that is heated to a uniform temperature of 140° C. What is the local heat transfer coefficient 3m from the leading edge of the plate?
the compressor of a refigerator compresses saturated r-134a vapor at -10 c to 800kpa. how much work does this require
an adiabatic capillary tube is used in some refrigeration systems to drop the pressure of the refrigerant from the
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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