William, who has a mass of 80.0 kg, is driving at 40.0 m/s in his car when he must suddenly slam on the brakes to avoid hitting a deer crossing the road. He hits a tree and strikes the air bag, bringing his body to a stop in 0.500 s. What average force does the air bag exert on him?

State the right hand rule of the direction of magnetic field in a conductor carrying current

On a geologic map, if the contacts between sedimentary rock units form a bull’s-eye pattern of concentric circles, with the youngest unit in the center, the underlying structure is a(n)

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?