ayliiin5258 ayliiin5258
  • 08-02-2018
  • Physics
contestada

An engine takes in 200 J of heat, expels 40 J of heat, and does 160 J of work. What is the efficiency of the engine?

A. 40%
B. 60%
C. 80%
D. 20%

Respuesta :

JoeLlama JoeLlama
  • 08-02-2018
The answer would be C. 80%
Put 160 over 200 and find the GCF
160/200÷40=4/5=80%

Answer Link

Otras preguntas

mandy is thinking of a prime number that is greater than 41 and less than 47
What is the answer to 5 2/3+1 1/2
I nee help with my french homework
a computer is on sale for $600 this is 75% of its original price. what was the original price of the computer?
what is the factor trees for 81?
A map scale is 1 in: 50 mi. Two cities are 450 miles apart. How far apart are the cities on the map?
S+841.9=1000 what does S stand for
Find each of the parts of parts described below. For each one, create a diagram that demonstrates your thinking. 2/3 of 7/8 please help!!!!!
Which political system is run by a group of noble families or wealthy members of society?
How did the Soviets respond when East Berliners defected to the West in large numbers? A. They built a wall separating East and West Berlin. B. They declared th