An object with a mass of 78 kg is lifted through a height of 6 m how much work is done

Acompound machine is also called a machine. a. force b. simple c. complex d. directional

Steam enters an adiabatic diffuser at 150 kpa and 1208c with a velocity of 550 m/s. determine the minimum velocity that the steam can have at the outlet when the outlet pressure is 300 kpa.

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?