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Use polar coordinates to find the volume of the given solid. Below the paraboloid z = 36 - 9x2 - 9y2 and above the xy-plane Use polar coordinates to find the volume of the given solid. Bounded by the
An escalator has to carry 10000 persons per hour with average mass of 75kg to height of 10m. If the mechanical efficiency is 0.6 & the motor efficiency is 0.9 calculate:(a) the power of the
What are the advantages of using wind for power and how does wind actually generate power(the mechanical side of things)?
How would you use a pulley system with one rope to pull at a single item at two points simultaneously?The free ropes of two block and tackle pulley systems could be joined to pull an object in two pla
A point charge of 5 nC is located at the point (x,y,z)=(3,0,3)m and another of 3 nC at(-3,1,2)m.Find the force F of these charges on a charge of 2 nC at (4,4,4)m using the vector point method of
A coin of diameter 2.5 cm is placed concentrically at the bottom of a can 5 cm in diameter and 10 cm high. The coin is heated to 500 K while the cylindrical surface of the can is maintained at 330 K.
The Schmitt trigger will detect input signal between 4V and 8V, and it will be used to control a relay via a transistor which operate as a switch. The transistor will on the relay from off state
How does the energy use for the typical family vehicle compare with that for the typical hot water heater? What are the Driving Forces For Fuel Cell Development?
A transmitter's last stage output impedance is 50 Ohms. The transmitter's antenna's input impedance is between 30-j50 Ohms to 20+20j Ohms. Assume this is over some frequency range and the antenna
A 2-D random vector is uniformly distributed on the unit circle {x,y :x2+y2<= 1}. Find a VQ satisfying the Lloyd conditions for a codebook of size 2. Repeat for CB size 3. Prove that the quan
As the hollow steel (G = 77 GPa) shaft shown rotates at 180 rpm, a stroboscopic measurement indicates that the angle of twist of the shaft is 3°.
A generator bus (with a 1.0 per unit voltage) supplies a 150 MW, 50 Mvar load through a lossless transmission line with per unit (100 MVA base) impedance of j0.1 and no line charging. Starting w
What were the flaws in your experiment? What sort of reproducibility does your experimental procedure yield? 4. How might you reduce the uncertainty in the determined transmissivities?
In the hopkinsons test the power is supplied to overcome the losses, in the same way is there any analogous in ac machines, explain its working
An aircraft company has decided to replace the 16mm copper cables to the main aircraft generators onboard its Boeing 747s with aluminium cables that are capable of carrying the same current. Ther
Spray drift is a constant concern for pesticide applicators and agricultural producers. The inverse relationship between droplet size and drift potential is well known. The paper "Effects of 2,4-
What is the reason for the system? -to increase the air pressure from 100 to 1200 kPa (design uses dual compressors to decrease the required power draw)
If a computer executes instructions to sum the contents of memory cells 2 and 999 and store the result in cell 0,what would then be the contents of cells 0,2,and 999?
What is the primary growth front? What is the secondary growth front? What happens when they approach each other? What happens to both once an individual reaches maturity?
The number of women-years of exposure is less than for established methods and all available evidence should be considered before prescribing new products.
Consider a one dimensional crystal with a total of six atoms, each with mass m, seperated by a lattice constant of 0.5 nm, with the two end atoms fixed.What is the ratio of the maxium allowed wave
I want the solution to a c++ program that has to implement two input options: to read data from the keyboard and to read data from a file; the program has to calculate for each bank the mean and
Measure the length of the beam. What is the torque calibration coefficient? 7) Explain any anomalies - differences from theory or what you thought should happen.
A voltmeter is used to measure a known voltage of 100 V. Twelve percent of the readings are within 0.5 V of the true value. Estimate the standard deviation for the meter. What is the probability
How can I mix TiCl4 and H2O? I want to prepare TiO2 nanoparticles. What should be the ratio of TiCl4 and water. Please let me know as soon as possible.