Hiro walks up a flight of stairs in his apartment building. Later in the day, he runs up the same flight of stairs. Which statement about work and power describes Hiro’s actions?

He did more work running than walking.
He did more work walking than running.
He had more power running than walking.
He had more power walking than running.

Which governments provide garbage collection services to homes and businesses

Dao makes a table to identify the variables used in the equations for centripetal acceleration. what quantities belong in cells x and y?

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?