Gucci8119 Gucci8119

02-07-2021
Physics

contestada

A heat engine exhausts 3 000 J of heat while performing 1 500 J of useful work. What is the efficiency of the engine

Respuesta :

mwabamwaba2004 mwabamwaba2004

02-07-2021

efficiency=work output/work input×100

since it exhausts(use up)3000j of heat that's the work input and the 1500j is the work input

efficiency=1500/3000×100

=50%

Answer Link

Otras preguntas

The most commonly spoken language in the Fertile Crescent around the time of Jesus was

What was Italy’s primary role in the WWII?a. It helped Germany in accomplishing its main objectivesb. It was helpful to Britainc. It caused problems for Japand.

what are some fun facts on animal and plant cells.

how come some girls don't get period cramps?

Which two countries were the first to declare war on Germany in WWII?

a square photo-display board is made up of 60 rows of 60 photos each.The area of each square photo is 4 square inches.How long is each side of the display board

kilo- - 1,000deka- - 10How much larger is a kilo- than a deka-?

What conditions must be met in order for a reaction to be considered exothermic?

Natalie picked 135 berries in 15 minutes. If she continues picking at that rate, how long will it take her to pick 486 berries?

1/3(9x+27)-4=1/2(2x+54)