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 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

$250 is invested in an account earning 6.8% interest (APR), compounded monthly. Write a function showing the value of the account after tt years, where the annu
what is the volume of a box that will hold exactly 567 cubes with 1/3 inch sides
Guys pls help me!!!!!!
Which expression is equivalent to​
how do you get hiv in details
Need help please and thanks
Find the value of x.
pls help me solve this questionnnnn
What is answer please
Empareja la frase subjuntiva con la explicación correcta. Match the subjunctive sentence with the correct reason. Israel desea que sus amigos viajen con la esc