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A wheelof radius 10 cm can rotate freely about its center as shown in figure. A string is wrapped over its rim and is pulled by a force of 5.0 N. It is found that the torque produces an angular acceleration 2.0 rad/s2 in the wheel. Calculate the moment of inertia of the wheel.
One kilogram of nitrogen gas (N2) is undergoes an isothermal compression from 1 bar, 20C to a final pressure of 12 bar. During the process, the nitrogen transfers heat through a wall to a thermal reservoir with a temperature of 10C.
If after 49.5 h the concentration of carbon is 0.35 wt% at a position 4.0 mm below the surface, determine the temperature at which the treatment was carried out.
determine the heat transfer per kg necessary to raise the temperature of a closed rigid tank of saturated water vapor
The cost of operating a large ship (CO) varies as the square of its velocity (v); specifically, CO = knv2 , where n is the trip length in miles and k is a constant of proportionality. It is known that at 12 miles/hour, the average cost of operation i..
for a wind speed of 6 ms a stack gas exit velocity of 20 ms a stack diameter of 4 m a heat emission rate of 15 mw and
in a piston cylinder assembly refrigerant 134a undergoes a constant pressure process from saturated vapor at 8 bar to
a rectangular boat the horizontal sides are l each the depth is h l2 is made of a think weightless walls and partially
a 12-mm-diameter specimen is subjected to tensile loading. the increase in length resulting from a load of 9 kn is
as the hollow steel g 77 gpa shaft shown rotates at 180 rpm a stroboscopic measurement indicates that the angle of
A stiletto heel has a semi-circular cross-section with radius of 0.25 in. Due to walking over irregular surfaces and shifts in body weight, moments of up to 30 lb.-in. can act where the heel attaches to the shoe. Determine the maximum tensile or comp..
the waveform from a mechanical vibration is sensed by a velocity-sensitive vibrometer. the oscilloscope trace indicates
the combustion products in an internal combustion engine undergo an expansion process from an initial volume of 0.007
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