WILL GIVE BRAINLIEST AND 30 POINTS! NEED ASAP!
All lightbulbs emit some heat. The heat emitted is measured in Btu, a unit of energy. This value is given for each type of lightbulb.

Incandescent: 85 Btu/h

CFL: 30 Btu/h

LED: 3.4 Btu/h

Which lightbulb do you think is the most energy-efficient? Why?

If you were traveling in a high-speed rocket ship, would meter sticks on board appear to you to be contracted? defend your answer. if you were traveling in a high-speed rocket ship, would meter sticks on board appear to you to be contracted? defend your answer. yes. all moving objects experience length contraction regardless of the direction of motion and the frame of reference. no. the stick is in your frame of reference. yes. all moving objects experience length contraction in the direction of motion. no. space contracts, but physical objects do not.