The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near them would be the sound level near a noisy air conditioner is 70 . if two such units operate side by side, the sound level near them would be 70 db. 73 db. 105 db. 140 db.

To travel at constant speed, a car engine provides 24kw of useful power. the driving force on the car is 600n. at what speed does it travel?

Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?

Does current flow through or across a resistor?