Engineering, 19.12.2019 00:31 tiarafaimealelei
The disk rolls without slipping on the horizontal surface as shown . the disk has a clockwise angular velocity of 20 rad/s and a counterclockwise angular acceleration of 5 rad/s^2 at the instant under consideration .the value of r is 200mm and the angle between ab and ob is given as 19.11degree .pin a is fixed to the disk but slides freely within the slotted member bc. determine the velocity and acceleration of pin a relative to the slotted member bc and the angular velocity and angular acceleration of bc. neglect the distance from the center of pin a to the edge of disk.
Answers: 1
Engineering, 03.07.2019 14:10
Explain the difference laminar and turbulent flow. explain it with the shear stress and the velocity profiles.
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Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
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Engineering, 04.07.2019 18:10
Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.
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Engineering, 04.07.2019 18:10
The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody
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The disk rolls without slipping on the horizontal surface as shown . the disk has a clockwise angula...
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