macogarasi
macogarasi macogarasi
  • 14-01-2021
  • Physics
contestada

An electric heater is 90% efficient. How much useful energy is produced from 8000 J?

Respuesta :

amanda777 amanda777
  • 14-01-2021

Answer:

7200J

Explanation:

you have to find 90 percent of 8000 J to find total efficiency

Answer Link

Otras preguntas

What makes The Praise of Folly a humanistic work?
ASAP please What was one effect of the Great Society programs? 1. The number of people living in poverty increased. 2. The infant mortality rate decreased. 3. T
A young woman suffered from a severe injury to her pelvic cavity. What potential problem would her doctors be most likely concerned about? difficulty digesting
Yossi used to have a square garage with 286 ft of floor space. He recently built an addition to it. The garage is still a​ square, but now it has​ 50% more floo
What is the volume of this rectangular prism?
Explain what events the organization has held in order to create awareness on its projects being run
jose bought 750 bags of peanuts for $375.00. He tends to sell each bag for 0.15 more than he paid. how much he change for each bag​
What is 10x + 300 = 800 Pls
how does the author of the o pioneers use sensory details to establish the setting ? use two details from the story to support ur response
Evaluate Y - R for R= -2 and Y= -7