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A couple MB of magnitude 2 lb · ft is applied to the drive drum B of a portable belt sander to maintain the sanding belt C at a constant speed. The total downward force exerted on the wooden work piece E is 12 lb, and µ k = 0.10 between the belt and the sanding platen D.
Knowing that µs = 0.35 between the belt and the drive drum and that the radii of drums A and B are 1.00 in., determine
(a) The minimum tension in the lower portion of the belt if no slipping is to occur between the belt and the drive drum,
(b) The value of the coefficient of kinetic friction between the belt and the work piece.
A 20-m3 tank contains nitrogen at 23 C and 600 kPa. Some nitrogen is allowed to escape until the pressure drops to 400 kPa and the temperature to 20 C. Determine the amount of nitrogen gas that has escaped in kg. How much in this in Kmoles
The read arm of a computer disk drive has the transfer function of G(s) = 1000/s^2. Design a digital controller that has a bandwidth of 100 Hz and a phase margin of 50 degrees. Use a sample rate of 6kHz.
To analyze electric circuits, it is often necessary to solve simultaneous equations. To find the voltages Va, Vb, and Vc at nodes a, b, and c, the equations are 2(Va-Vb) + 5(Va-Vc) - e^(-t) =0 2(Vb-Vc) + 2Vb + 3(Vb-Vc) =0
Use the immediate addressing mode to add four to each value that is loaded to accumulator. Store the results in Locations 13-15. Let's assume that in Locations 10-12 we have the values 5, 6, and 7. After executing your code, the values in Location..
Develop a robust and cost-effective vehicle movement detector based on the concept of Doppler radar and construct a control circuit for supplying power to vehicle movement sensors and detection circuitry to measure the reflected signal.
Electricity is supplied from Grid to a Town, village or Industry through power lines or cables. What is the role of Transformer in transmission and what types of transformers are used in this process
You are working with a design team on a new product and are assigned to design the power supply. The requirements for the power supply are as follows: Input AC: 115 V AC +- 10%, 50-60 Hz Outputs: +5 V DC at 100 ma, +-12 V DC at 50 ma
an accelerometer has a seismic mass of 0.05kg and a spring constant of 3 x 103 nm. maximum mass displacement of 0.02m
fdtd evaluation of the sar distribution in a human head near a mobile cellular phonefinite difference time domain fdtd
How To Wire Two 6V Solar Panel To Two, 12V Batteries with Automatic UPS System ? ( with a diagram)
discuss the differences between FET and BJT transistors. What are the advantages and disadvantages of each kind of transistor What are types of transistors do you know about
1. A 240 dc motor takes an armature current of 20A when running at 960 r/min. The armature resistance is 0.2ohm. Determine the no load speed, assuming negligible losses. 2. A 220 dc shunt motor has a srmature resistance of 0.3ohm.
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