If the net force acting on an elevator is 13,658 N, what minimum power, in watts, must the motor deliver to lift the fully loaded elevator at a constant speed of 3.00 m/s?

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?