p3trang20
p3trang20
07-11-2016
Chemistry
contestada
why no machine is 100 efficiency?
Respuesta :
sparklyRoadk1ll
sparklyRoadk1ll
07-11-2016
Because machines cannot be perfect. They are man-made, and mankind makes mistakes.
Answer Link
Thompson12
Thompson12
07-11-2016
Energy can always be lost in the form of heat through friction.
Answer Link
VER TODAS LAS RESPUESTAS ( 47+ )
Otras preguntas
What is the tense of the underlined verb in the sentence? The baby turtles swam to the shore. A.
mr. sanchez has 16ft of fencing to put around a rectangular garden. he wants the garden to have the greatest possible area. how long should the sides be?
How did Common Sense help lead to independence?
on a weather map for county a, the isobars are far apart. on a map for county b, about 100 miles away the isobars are close together. which map shows high winds
Simplify and identify and x-values for which the expression is undefined. 4x-8 divided by x^2-2x
How did war affect the location of industry and workers in the us
If sin θ = 0.57 then sin (π-θ)=?
When a sample of a gas is heated in a sealed, rigid container from 200. K to 400. K, the pressure exerted by the gas is:(1) decreased by a factor of 2(2) increa
A machine does 1,500 joules of work in 30 seconds. What is the power of this machine?
If 0.00005893 is expressed in the form 5.893 × 10n, what is the value of n ? Can anyone explain this one?
