Question

What is the kinetic energy of a 0.25kg ball rolling at a speed of 2.5m/s

Answer 1

Step-by-step explanation:

Kinetic Energy formula:

KE =
`(1)/(2)`mv²

m=mass

v=speed

Given:

m=0.25kg

v=2.5m/s

Plug the values in:

KE = 1/2(0.25kg)(2.5m/s)²

KE = 0.78125 J (Joules)