RoboticNaruto4693 RoboticNaruto4693

03-01-2018
Physics

contestada

How much work is done when a hoist lifts a 290-kg rock to a height of 7 m?

Respuesta :

samuraijack samuraijack

03-01-2018

Given: Mass m = 290 Kg; Height h = 7 m

Required: Work = ?

Formula: Work = Force x distance but, Force F = mg

W= fd

W = mgh

W= (290 Kg)(9.8 m/s²)(7 m)

W = 19,894 Kg.m²/s²

W = 19,894 J

Answer Link

Otras preguntas

What is the marco polo bridge incident, and how did it impact Asia in 1937?

What is the 6th term of this geometric sequence? 3, –9, 27, –81, …

true of false? culture does not influence an person's weight

Mrs.Morales wrote a test with 15 questions covering spelling and vocabulary.spelling questions (x )are worth 5 points and vocabulary questions (y)are worth 10 p

how can you be sure that you have listed all of the proper factors of a number

76/100 in simplest form

Persuasive speeches deal primarily with questions of value, fact and ________________. a. processes c. legislation b. policy d. current affairs

Find the area of the shaded region. Use 3.14 for π. 31.4 sq cm 15.7 sq cm 5 sq cm 675.1 sq cm

A chemist measured the temperature change in a container of heated oil as it cooled. She recorded a change of −19.5 degrees Celsius in 2.4 minutes. What is the

500x 2533+ 38571-50000