Physics, 12.02.2021 19:40, omarabady

In each cycle, a heat engine performs 710 J of work and exhausts 1480 J of heat. What is the thermal efficiency? A) 0.24
B) 0.47
C) 1.7
D) 0.32

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 22:50, toddbecca9

Acar of mass m goes around a banked curve of radius r with speed v. if the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to 101) a) mv2/r b) mg/2. d) mg e) tan[v2/(eg)]

Answers: 2

continue

Physics, 22.06.2019 07:30, michaireid04

Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories

Answers: 3

continue

Physics, 22.06.2019 09:30, sdolina5

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

Answers: 2

continue

Physics, 22.06.2019 10:30, johnthienann58

The precision of a laboratory instrument is ± 0.05 g. the accepted value for your measurement is 7.92 g. which measurements are in the accepted range? check all that apply. 7.85 g 7.89 g 7.91 g 7.97 g 7.99 g

Answers: 1

continue

Do you know the correct answer?

In each cycle, a heat engine performs 710 J of work and exhausts 1480 J of heat. What is the thermal...