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Lightening produces a maximum air temperature around 3 x 10 ^4 K. Using Wien's Law, find the wavelength of the thermally produced photons radiated with greatest intensity by the lightening.
The planet mars hass a mass of 6.42x10^23kg and a radius of 3396km. What escape speed is needed for a space ship leaving the surface of Mars
200 Btu are transported into a system via a work mode and 75 Btu are removed via heat transfer mode. Determine the net energy gain for this system
A ball on the end of a string is revolved at a uniform rate ina vertical circle of a radius 72.0cm. calculate the tension in the string when the ball isat the top of its path
The coil wand pendulum starts swinging with an angle of 30 degrees with the vertical. After it passes through the magnetic gap, the pendulum rises to a level which makes 10 degrees with the vertical. What is the energy lost by the pendulum
Two cars of 2000 %u2013kg each collide head-on while traveling at 75.0 miles per hour. What is the temperature increase of the cars
A particle of mass 2 units moves along the x-axis attracted toward the origin by the force whose magnitude is numerically equal to 8x. find the differential equation describing the motion
A spherical balloon has a radius of 12.5 m, and is filled with helium. How large a cargo can it lift, assuming that the skin and structure of the balloon have a mass of 1200 kg? avoid the bouyant force on the cargo volume itself.
During an adiabatic expansion the temperature of 0.500mol of argon (Ar) drops from 48.0?C to 15.0?C. What is the change in internal energy of the gas
In a serious accident, a nuclear power plant%u2019s reactor vessel cracks, and all of the cooling water drains out. how much energy will it take to melt the core
a thin rod, of length L = 1.9m and negligible mass, that can pivot about one end to rotate in a vertical circle. A heavy ball is attached to the other end. find the initial height of the ball
A cylindrical copper rod of length 1.30 m and radius 1.60 cm is insulated to prevent heat loss through its curved surface. find the rate at which entropy increases for the rod-reservoirs system
What pressure is acting on the walls of drum
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