Mattymatts3380 Mattymatts3380

14-01-2020
Physics

contestada

56 J of work was done to increase the kinetic energy of a 1.90 kg mass. If the object’s initial velocity was zero, what is its speed now?

Respuesta :

ohiekulous ohiekulous

14-01-2020

Answer:

7.68 m/s

Explanation:

Ek = 56 J

m = 1.90 kg

u = 0

v = ?

Ek = 0.5m(v - u)²

56 = 0.5×1.90×(v -0)²

56 = 0.5×1.90v²

56 = 0.95v²

v² = 56/0.95 = 58.95

v =√58.95

v = 7.68 m/s

Answer Link

Otras preguntas

A group of similar cells that perform a single function is called a(an) a. nerve. c. tissue. b. organ. d. organ system.

M.s. alonso ordered 4,000 markers for her store. Only 1/10 of them arrived. How many markers did she receive?

How does the width of a rectangle change if the length increases but the area remains 300square feet

provide 3 details on how civilizations develop

how many times can 21 go into 336

(5y^4-3y^3+2y^2-6y+5)+(-3y^+6y^3-4y^2-4y-8) can someone simplify that

Wind direction is determined by the Earth’s rotation. true or false?

How can i simplify the square root of 49x^8?

Which word in the sentence is a participle? Do not cry over burnt toast! a. Do b. over c. burnt d. cry

What is the name of the period that has the digits 913,256.