29-06-2020
Physics

contestada

The pulley has an efficiency of 78%. How much useful work does the pulley do if you perform 775 J of work on the pulley

Respuesta :

MathPhys MathPhys

29-06-2020

Answer:

605 J

Explanation:

Efficiency = work out / work in

0.78 = W / 775 J

W = 605 J

Answer Link

Otras preguntas

ow can you make ratios with a multiplication table to find equivalent ratios for 2:5

What two things does the speaker compare in the first half of the third stanza? What is the effect of this comparison? Support your response with evidence from

In how many ways can the letters in BEEKEEPER be rearranged so that two or more Es do not appear together? (A) 1 (B)4 (C) 12 (D) 24 (E) 120

The graph below represents what function?

please help me I need help.

AB = 6 CD = 3 XY = 4 ZW = a Select all true equation.

How does the author's discussion of Menéndez's experiences as a slave highlight his toughness? Use evidence from the text to support your answer

why is fish farming important

The central nervous system consists of which organs?.

when all the kids who tried out for soccer Word divided into teams of 15 players there were exactly 8 teams how many kids tried out