Question

NEED ASAP!! 60 PTS!!!

The students want to test a newly designed disk that is made of the same material and has the same mass but that has a radius of 22 cm. Based on the data collected by the students, what would be a reasonable prediction of the kinetic energy of this disk at 120 rpm?

0.22 J
0.90 J
0.17 J
0.80 J

Answer 1

I would say it would be

0.80

hope this helps :)