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Velocity help

Velocity help

Velocity help A gymnast is swinging on a high bar. The distance between his waist and the bar is 0.835 m, as the drawing shows. At the top of the swing his speed is momentarily zero. Ignoring friction and treating the gymnast as if all of his mass is located at his waist, find his […]

Cogeneration Plant & SEE

Cogeneration Plant & SEE

Cogeneration Plant & SEE need to answer these questions.</pclass=”msonormal”>a. temperature of the process heater steam. the rate of process heat supply. the net power output. the utilization factor of the plant. </pclass=”msonormal”> Based on the results of the cogeneration system, choose proper SEE operating parameters according to general specifications given earlier, and determine the distillate […]

Emission Spectrum

Emission Spectrum

Emission Spectrum A student records two potassium emission spectra: 1) one using 0.10M KNO3 solution; 2) one using 0.10 M K2SO4 solution. Will significant differences be observed in the two emission spectra? Why or why not?

need helppppp

need helppppp

need helppppp Suppose that the magnetic field of the Earth were due to a single current moving in a circle of radius 2550 km through the Earth’s molten core. The strength of the Earth’s magnetic field on the surface near a magnetic pole is about 6.0·10–5 T. How large a current (in th…