3 pe 3. a An electric light bulb has an efficiency of 21%.350 Jof energy are
supplied to the light bulb by electricity. Calculate the amount of energy
transferred as light. *​

If a weighted, air-filled balloon sinks in a lake, it will a. be buoyed up with constant force while sinking b. probably sink to the bottom and probably rise later c. sink until it reaches equilibrium and then remain at constant depth d. always sink to the bottom e. none of the above