Physics, 22.12.2019 23:31, iliketurtures

An engine with an input temperature of 755k and an exhaust temperature of 453k has the same efficiency as an engine that is 40% efficient. is this true or false? i am having trouble

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 03:50, cyberdac01

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Answers: 1

continue

Physics, 22.06.2019 11:50, azertyqwerty123

Two resistors r1 and r2 may be connected either in series or parallel across an ideal battery with emf ε. we desire the rate of energy dissipation of the parallel combination to be 8.75 times that of the series combination. if r1 = 105 ω, what are the (a) smaller and (b) larger of the two values of r2 that result in that dissipation rate?

Answers: 2

continue

Physics, 22.06.2019 16:30, shippo

Write a polynomial function with the given zeros x= -1,0,2show your work

Answers: 3

continue

Physics, 22.06.2019 18:30, justhereforanswers13

Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.

Answers: 1

continue

Do you know the correct answer?

An engine with an input temperature of 755k and an exhaust temperature of 453k has the same efficien...