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

Frannie is two years older than 3 times her daughter's age. If Frannie is 47, how old ids her daughter?Please have an explanation.

True or False: The Plymouth colony was created for the same reasons as the colony at jamestown Virginia HURRY!!!!

factor the greatest common factor out of 8x^3 + 28x^2 + 40x

Polar or Nonglar? SO_3 SO_2

Vincent is designing a research study as part of his master's thesis. He wants to do a laboratory study where he can control as many variables as possible, but

What is the value of x? Enter your answer in the box. x =

PLEASE HELP WILL GIVE 30 POINTS AND BRAINLIEST IF IT'S RIGHT How did the colonial governments lay the foundation for representative government in the United Sta

why did the boxer rebellion become such a famous historical event?

Jacob needed money for some unexpected expenses, so he borrowed $5,890.25 from a friend and agreed to repay the loan in seven equal installments of $1,250 at th

President Nixon secretly taped most of the conversations that took place in his office. Question 35 options: True False