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

How can natural selection affect a predator-prey relationship in an ecosystem? Choose ALL answers that are correct. A.Natural selection can influence both preda

If two of a triangle,s angles measure 42 degrees and 48 degrees, how would you classify that triangle? A: acute angle B: obtuse angle C: right angle

which industry launched the industrial revolution

Which of the following does not accurately describe movement within plants? A. Changes in the concentration of nutrients affect the cause of movement of fluid t

A biome is NOT characterized by which of the following? precipitation latitude number of organisms temperature

Which mutation would be most beneficial to an elephant and its descendents? A.a mutation of the hemoglobin allowing better oxygen-carrying capacity B.a mutation

I really need help answering these questions. 18 points...

Is it true that Only Union soldiers deserted the army.

What is a subduction zone?

____________ should cover every part of the worksite.