While snowboarding Mr. Brooks (100 kg) takes a chair lift up 800 m to the top of the mountain. If he snowboards down the mountain without stopping or falling,
how fast will he be going when he get back to the bottom of the mountain?
(Round to nearest hundredths place, no units)
Your answer

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?