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a. Determine the applied torque required to accelerate a rotor of mass 100 kg and radius of gyration 500 mm from a speed of 50-300 rpm in a time of 12 s. Neglect bearing friction.
b. A flywheel of mass 50 kg and radius of gyration 175 mm is accelerated from rest to a speed of 500 rpm in 10 s. There is a bearing friction torque of 2 Nm. Determine (a) the angular acceleration, (b) the applied torque.
identify the approximate values of each of the parameters listed below based on the graph.a yield strengthb tensile
a golfer hits a ball giving it a maximum height of 20 meters. the ball lands 130 meters away at the level which he hit
compressor air enters 100 kpa and 17c and exits compressor 600 kpa and 167c. mass flow rate of air is 2 kgmin amp power
the 20-lb car is released from rest at time t0 on the inclined surface. the force p 8t lb acts on the cart where t is
water flows through a shower head steadily at a rate of 10lmin. an electric resistance heater placed in the water pipe
while at the county fair you decide to ride the ferris wheel. having eaten too many candy apples and elephant ears you
A Brayton gas turbine cycle has two stages of compression and two stages of expansion. The pressure ratio across each stage of the compressor and turbine is 3. The air enters each stage of the compressor at 300K and each stage of the turbine at 1..
One side of a mercury manometer is connected to the top of frictionless piston-cylinder storage tank containing 1500 liters of oil, the other side is open to the atmosphere. The difference in the height of the column of mercury in the manometer is 90..
A t=10-mm-thick horizontal layer of water has a top surface temperature of Tc = - 4 C and a bottom surface temperature of Th = 2 C. Determine the location of the solid-liquid interface at steady state.
There is a membrane made of an isotropic material whose elastic modulus and Poisson's ratios are E and v, respectively. When this membrane is elongated along x-direction with no lateral deformation in y-direction, the apparent elastic modulus (E') de..
automotive exhaust systems often use two catalytic converters. the exhaust temperature is a key factor which determines
5-15 air at at 300degk and 1 atm. flowing over a flat plate at 30 ms how thick is boundary layer at 2.5 cm from the
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