dezmonrandolph2 dezmonrandolph2
  • 22-02-2018
  • Physics
contestada

in real machines , efficiency is always

Respuesta :

keenecameron keenecameron
  • 22-02-2018
less than 1. because of internal friction you cannot have a 100% efficient
 machine 
Answer Link

Otras preguntas

Why is the sequence {-2,-8,-32,-128} Geometric?
A cook decided to add salt to a pot of soup that was boiling on the stove. As soon as the salt was added, the soup stopped boiling. Explain why this happened. .
The printing press was invented by _____. Johannes Kepler Martin Luther John Fox Johannes Gutenberg
Which example possesses mechanical potential energy? A. a taut guitar string B. an oscillating pendulum C. a roller coaster ride D. a child on a swing E. a spee
After Benito Mussolini became the dictator of Italy, he became involved with another nation's civil war. Name the country.
In Edgar Allan Poe's "The Philosophy of Composition," how does Poe say he creates contrast when the bird first appears in "The Raven"? A. By having the bird com
Which expression defines the given series for seven terms? 15 + 19 + 23 + . . .
If a cone-shaped water cup holds 23 in.³ has a radius of 1 inch, what is the height of the cup? Use 3.14 for pi. Round your answer to the nearest hundredth.
You can afford to rent 5 tables round or rectangular. Each round table can seat 8 people and each rectangular table can seat 12 people. How many round and recta
Is the last sentence in a story the 1. Rising action 2. Resolution 3.climax or 4.expostion