race3saradona race3saradona

13-10-2016
Mathematics

contestada

A motor with an efficiency of 75 percent must supply 240 j of useful work. What amount of work must be supplied to the motor.

Respuesta :

olemakpadu olemakpadu

13-10-2016

E = 75% = 0.75, Work Output = Useful Work = 240 J, Work Input = ?

Efficiency, E = Work Output / Work Input

0.75 = 240 / Work Input

Work Input = 240 / 0.75

Work Input = 320

Amount of work supplied = Work Input = 320 J

I hope this explains it.

Answer Link

Otras preguntas

Consider the system of equations. y = 3x + 2 y = − 2 3 x − 4 Explain why these particular equations can be graphed immediately. Explain why these particular equ

You own a portfolio equally invested in a risk-free asset and two stocks. One of the stocks has a beta of 1.31 and the total portfolio is equally as risky as th

why did chavez have such widespread support when he first ran forpresident of venezuela?

You're prepared to make monthly payments of $320, beginning at the end of this month, into an account that pays 11 percent interest compounded monthly. How ma

what is this pic telling about ? and who is the artist ?

In crossroads a sad vaudeville, the flag and primary purpose in the play is to

If "a" is a negative number, and "ab" is a positive answer, then what is the sign of "b”?

help me and ill give you brainliest answer ;))) deal? (/ω＼*)……… (/ω•＼*)

Use cylindrical coordinates. Find the volume of the solid that is enclosed by the cone z = \sqrt{x^2+y^2} and the sphere x2 + y2 + z2 = 32.

I WILL GIVE BRAINLIEIST!!