Ask Question
27 August, 15:23

If the same amount of work needed to keep a 100W light bulb lit for one hour could be used to lift a 2000 kg SUV, what height could it be lifted to?

+3
Answers (1)
  1. 27 August, 17:21
    0
    (100 watts) = 100 joules/second

    (100 joules/second) x (3,600sec/hour) = 360,000 joules/hour

    360,000 joules = 360,000 newton-meters

    Weight of 2,000 kg on Earth = (2,000 kg) x (9.8 m/s²) = 19,600 newtons

    (360,000 newton-meters) / (19,600 newtons) = 18.4 meters off the ground
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “If the same amount of work needed to keep a 100W light bulb lit for one hour could be used to lift a 2000 kg SUV, what height could it be ...” in 📙 Physics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers