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 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

[tex]V=\pi \int\limits^1_0 ({\frac{x^{3} }{x+1})^{2} } \, dx =?[/tex]
Responses to music will most often include _____responses. emotional physical mental a combination
What aspects of the Froebel an kindergarten still exist in today’s kindergarten classrooms
In the right trange show, A=30 degrees and AC=12 How long is AB
Choose the correct answer. Donde esta la camara? a) Jose lo tiene. b) Jose los tiene. c) Jose Las tiene. d) Jose la tiene.​
What are the values of G and H? Show all work on how you got your answer
what can happen to the flame if the gas flow is too great or too much air enters the air vent​
which is more basic,pyrole and pyridine?​
Find the following product 3/5 x 5 1/3=
what is the definition of humanism?