subject
Physics, 05.12.2019 04:31 21hendlill

The percent efficiency of a machine can never be 100% (or greater), because in the real world some energy is always converted into
select one:
a. work
b. heat
c. input force
d. output force

ansver
Answers: 1

Another question on Physics

question
Physics, 22.06.2019 01:30
The passing of heat through a material while the material itself stays in place. a. radiation b. conduction c. convection
Answers: 2
question
Physics, 22.06.2019 05:00
Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?
Answers: 1
question
Physics, 22.06.2019 14:00
Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.
Answers: 1
question
Physics, 22.06.2019 15:30
Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)
Answers: 3
You know the right answer?
The percent efficiency of a machine can never be 100% (or greater), because in the real world some e...
Questions
question
Chemistry, 21.08.2019 22:00
question
Mathematics, 21.08.2019 22:00
Questions on the website: 13722367