02-12-2015
Physics

Answered

A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What is the efficiency of the machine?

Verified Answer :

02-12-2015

Efficiency = (output power) / (input power)

= (3,760 joule/sec) / (4,000 joule/sec)

= 3,760 / 4,000 = 0.94 = 94%

Answer Link

smpurvis smpurvis

03-12-2018

your answer is 94 percent

i just took the test

Answer Link

Related Questions

20255 What is the answer

is 65 equivalent to 80100

Why once it lost China as its chief ally in Asia did the US adopt policies to encourage the rapid recovery of japans industrial economy

a maze of passagways called the

Describe the principles of aerospace propulsion systems including jet engines and rocket motors

Which statements accurately describe the Japanese attack on Pearl Harbor Check all that apply The attack did minimal damage The Americans were unprepared for th

A startup company just acquired a big project The project requires a lot of money The company must hold off on building its new office to complete the project W

What is the purpose of a descriptive essay

how to divide integers

Supporters of the New Jersey Plan did what

Web Analytics