joshgifford15 joshgifford15
  • 03-12-2019
  • Physics
contestada

What is the mass of an object traveling at 20 m/s with a kinetic energy of 4000 J?
​

Respuesta :

R0kia
R0kia R0kia
  • 06-12-2019

Answer:

20 kg

Explanation:

Kinetic energy=½*Mass * velocity²

4000= ½* m*20²

8000=400m

m=8000/400

m=20 kg

Answer Link

Otras preguntas

Regina gets a $50 gift card for thw music site she tries to estimate how Many songs she can buy with the gift card. Which estimate is the most reasonable
NEED HELP FAST PLZ!!!!!!!
Will give BRAINLIEST if correct!!!!!!! (if incorrect and/or made random for points, you will be reported)
A parallelogram cannot be a cross section of a triangular prism. true, sometimes, or never true. explain
What is the value of x?
if f(x)=5x-6 and g(x)=x^2-4x-8, find (f+g)(x)a. (f+g)(x)=x^2-x-2b. (f+g)(x)=6x^2-4x-14c. (f+g)(x)=x^2+x-14d. (f+g)(x)=x^2-9x-2
The width of a rectangular poster is half its length. The area of the poster is 128 square feet. What is the width of the poster?
Solve the system of equations using the addition/subtraction method. 4x + 2y = 22 3x +4y = 24 Explain your steps and how the solution can be verified.
PLEASE PLEASE HELP ME!
When the sum of a number and 7 and three times a positive number is subtracted from the square of the number 0 results?