18lapishso
18lapishso 18lapishso
  • 08-01-2021
  • Physics
contestada

All I need help on, is the first one on the top row. Thanks :))

All I need help on is the first one on the top row Thanks class=

Respuesta :

Quickanswerwhiz Quickanswerwhiz
  • 08-01-2021
13J is wasted energy.
The wasted energy is thermal energy (heat).
The light bulb’s efficiency is 67.5%
Answer Link
Fadhel
Fadhel Fadhel
  • 08-01-2021

Answer:

1a)40-27=13

1b) heat

1c)efficiency = W out/W in

so 27/40= 67%

Answer Link

Otras preguntas

one year, farmers received an average of $12.065 per bushel of wheat. How much did a farmer receive for selling 100 bushels of wheat?
your activities should __________ day to day to keep the workouts fresh
What technical language
What is the population density of oklahoma?
Point M is the midpoint of segment QR. If QM = 16 + x and MR = 2(x + 2), find the length of QR.
As the sun warms the surface water on a lake, _____________. a. convection will cause the warmer water will remain on the top b. convection will cause the
?under the new jersey plan, each state would have equal representation, meaning that
Arboles y plantas de la region sur texas
Over the course of two weeks, Al spent $105.00 on lunch. What was the average cost per day?
Mitchell travels from the US to Canada, where he exchanges 150 US dollars for Canadian dollars. He then spends 20 Canadian dollars, returns to the US, and excha