Seudónimo Seudónimo

11-02-2021
Physics

contestada

If the kinetic energy of the 40kg box is 784 J, what is the velocity before it strikes the ground?

Respuesta :

GeorgePP GeorgePP

11-02-2021

Answer:

Explanation:

[tex]KE=\frac{1}{2}mv^2[/tex]

[tex]784=\frac{1}{2}(40)v^2[/tex]

[tex]784=20v^2[/tex]

[tex]39.2=v^2[/tex]

[tex]v=6.26m/s[/tex]

Answer Link

Otras preguntas

Round 199.532 to the nearest n tenth

What is Karma??? In borutoWhat happens if we have that mark in our hand???

Can someone please help me with this IM MARKING BRAINLIEST

Subraya el verbo en las siguientes oraciones

Which of the following is NOT an example of a vascular plant? O Redwood Trees O Gerber Daisy O Aloe Plant O Mountain Moss

Which statement best describes how humanism encouraged the Scientific Revolution

You have been hired to build a landfill for a neighboring community. use recycle city's to help you. What are 5 layers of landfill needs to be safe?

Can someone please help me thank you

What is the area of this figure? Enter your answer in the box.

Which of the following is not part of the cell theory? A) All organisms are made up of 1 or more cells B) All cells come from pre-existing cells C) All cells ha