Problem on minimum amount of work required by external force
Two identical point charges of q = +1.25 x 10-8 C are separated by a distance of 0.90 m. What is the minimum amount of work required by an external force to move them closer together so that they are only 0.65 m apart?
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Also assume that all heat rejection processes are to a low temperature reservoir with a temperature of 300 K. Using the properties of air at 300 K, find the peak temperature of the cycle.
The electric potential at the center of a square is -3 V when a charge of -Q is located at one of the square's corners. What is the electric potential at the square's center when identical charges of +Q are placed at the other three corners of the s
Calculate the mass concentration, in (micro)g/m3, of a mono-dispersed aerosol with dp = 10.0 micron, (rho)p = 2.1 g cm^-3, and N = 9.55 cm^-3.
On a smoggy day in a certain city the ozone concentration was0.50 ppm by volume. Calculate the partial pressure of ozone and the number of ozone molecules per liter ofair if the temperature and pressure were 20.0°C and738 mmHg, respectively.
Estimate the average electrical drift velocity in cm/s for a flat plate ESP with a total collector area equal to 10,000 m^2, and a flow rate of 500,000 m^3/h.
A proposed automobile battery involves the reaction of Zn(s) andCl2(g) to give ZnCl2. If you want such a battery to operate for 12hours and deliver 1.5 A of current, what is the minimum mass of Zinc that the anode must contain?
It takes the elevator in a skyscraper 4.0 to reach its cruising speed of 10 . A 60 passenger gets aboard on the ground floor. a) What is the passenger's apparent weight before the elevator starts moving?
Estimate the mass of ozone inhaled into the lungs by a moderately exercising individual over an eight hour period at a concentration equal to 0.080 ppm.
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