ashleytodd318 ashleytodd318

23-06-2017
Mathematics

contestada

How much work does it take to lift a box weighing 78.6 pounds straight up four feet?

Respuesta :

RickyChen RickyChen

23-06-2017

Using W = FS, here assume you are lifting with constant speed, then F is equal to gravity

F = 78.6 * 0.45 = 35.37 N

S = 0.3 * 4 = 1.2 m

So W = 35.37 * 1.2 = 42.44 J

Answer Link

Otras preguntas

Which Latin American independence leader lived and worked with poor Mexican villagers to improve their impoverished condition? A. Simon Bolvar B. Father Hidalgo

Most people of West and Central Africa support themselves through which means?

Who is the presiding officer in the Georgia Senate? a. the Speaker of the House b. the governor c. the lieutenant governor d. the chief justice

What is greater? 5/8 or 4/6?

Which of the following employs the correct punctuation? I went to camp in the fourth grade however, that was a long time ago I went to camp in the fourth grad

Solve 2x^2+8x-7=-2 by completing the square

What are the factors of x squared +48x+135 ? Please explain

Fill in the blank. Charges added to a(n) _____ will immediately spread throughout the body.

how did the dutch extract raw materials from their colonies in the east indies - Google Search

Marvin says that all rhombuses are squares. Aretha says that all squares are rhombuses. who is correct?