you are feeling lazy and you binge watch netflix for 2 hours lying in bed. your laptop's power draw is 60w from it's fully charged battery. how much energy was discharged from the battery?

Acertain flow of air (at stp) has a velocity distribution given by v i (in ft/s). if this flow is going through a 4 ft square area in the yz-plane (centered at the origin), what is the mass flow rate (in lbm/s)?