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A red laser pointer has a wavelength of 6.5 x 10-7 meters. What is the frequency for this light? What is the energy per photon for this light? g
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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?
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A red laser pointer has a wavelength of 6.5 x 10-7 meters. What is the frequency for this light? Wha...
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