dj3728764 dj3728764

03-11-2020
Chemistry

contestada

A painter needs to buy a new pulley system. Both systems have an input work of 100 J, but the old system model has an output work of 60 J and the new system model has an output work of 75 J.

Which system is more efficient?

Respuesta :

unicorns231 unicorns231

04-11-2020

The answer is the old model is better

Answer Link

Otras preguntas

Solve the equation n+3/4=1/4

Why is it inaccurate to view the causes of the french revolution as a struggle between the bourgeoisie and the aristocracy? what were the reasons for the revolu

are these expressions equivalent??if so how???

Solve the inequality, how do I do this question???

A gerund is a verbal that ends in -ing and functions as a(n) _____. 1. adverb 2. verb 3. noun 4. adjective 5. preposition

Transcontinental railroad offect us by

The different substance in a mixture

{20,1,6,10,11} Find the subset and the proper subset.

Maddie and gavin own competing bakeries in a small town. maddie lowers her bakery’s prices to a point at which gavin cannot compete, and must go out of business

Ary, a high school student with no interest in academics, has started to study for four hours every week to avoid getting poor grades in school. this scenario i