Anon-relativistic particle of mass m and charge q moves through space in a region of mutually perpendicular, uniform electric and magnetic fields. the magnetic field b0 is a constant vector, and the time-dependent electric field is given by e = e0 cosωt, where e0 is a constant vector with constant ω. find the trajectory of the particle and describe it geometrically.

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?