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

One of the principal causes of unethical behavior in organizations is overly aggressive financial or business objectives.

PLEASE HELP ASAP Which of the following is a chemical property of iron. Iron has a hardness of 4-5. Iron rusts when exposed to water and oxygen. The meltin

Help please pre calculus

Which sentence from the story best signals the rising action A sky B High C deep D gauge

como se dice "Juan loves Anita" en espanol?

What was Bohr's contribution to the atomic model?

how did technological advances in agriculture affect in the industrial revolution

Algebra 1 textbook pages 157-159

How did ideas in Justinian's Code influence Western political and legal traditions? A. They provided useful models for modern political campaigns. B. They en

How does identifying the part in the whole help you write the percent proportion