nbfeatherston nbfeatherston
  • 25-02-2019
  • Chemistry
contestada

the efficiency of a machine is always less than 100% because
​

Respuesta :

Lillin22 Lillin22
  • 25-02-2019

Energy is always lost somehow, like sound or heat. Therefore, a machine can't be 100% efficient because some energy is always lost.

Answer Link

Otras preguntas

What is the solution to 3|–3x + 9| = –18? x = –5 x = 5 or x = 1 x = –5 or x = 1 no solution
Factor completely x2 − 10x + 25.
If sin(3x+2)=cos(4x-10), what is the value of x to the nearest tenth?A. 7.6B. 12.0C. 14.0D. 26.9
What is the difference between muscular strength and muscular endurance? Strength refers to mobility of joints, while endurance refers to muscular force. Streng
What level of setting in a story takes place inside the character's mind? A. Foreshadowing B. Literal C. Supernatural D. Psychological
Last year, Jess saw x dramas and y comedies at the movie theater. If she went to the theater no more than 8 times, which inequality best represents the number o
she asked whether or not we are having lasagna for dinner is this the correct way for the sentence
Which is the best description of the graph of the function f(x) = 60(1/3)x? A. The graph has an initial value of 20, and each successive term is determined by s
Which sentence is correctly punctuated? A. Snack time had finally come, but no one had brought any snacks. B. Snack time had finally come, but, no one had broug
Which is the SI base unit of mass