X-rays in a dental X-ray machine are produced when an electron converts its kinetic energy into a photon. In one particular X-ray machine, an electron accelerates through a potential difference of 9.00 x 104 V to create a single photon. What is the frequency of the X-ray produced in this particular X-ray machine?

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Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?