Physics, 13.04.2021 19:30, Shubbs

What is the efficiency of a heat engine that produces 4, 200 J of work when 8,950 J are input? Would this machine be considered efficient?

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 22:40, Animallover100

Which feature indicates that mars resides in the inner region of the solar system

Answers: 3

continue

Physics, 22.06.2019 01:40, sasalinas2001

In all trials, the magnitude of the final velocity for g1 + g2 was less than the magnitude of any initial velocity. as mass increased, what happened to the velocity? the velocity decreased. the velocity increased. the velocity of g1 + g2 could not be measured. the velocity was not affected by the mass increase.

Answers: 1

continue

Physics, 22.06.2019 10:00, jonlandis6

Need people build a dam to create a reservoir that supplies water a nearby city needs. describe two ways this action will likely affect the water cycle in the local environment. (5 points) worth 20 points

Answers: 1

continue

Physics, 22.06.2019 10:10, xavierfox1721

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?

Answers: 1

continue

Do you know the correct answer?

What is the efficiency of a heat engine that produces 4, 200 J of work when 8,950 J are input? Would...