- #1

pyroknife

- 613

- 4

I attached the problem.

The solution is of the form:

.5*(5/32.2)v^2+.5(10/32.2)(12/18*v)^2 + 5*18/12*sin(60)-10*12/12*sin60=0

I don't understand why they put the radius in the kinetic energies like the 12/18 part. I know you have to do that, but I don't understand why.

The solution is of the form:

.5*(5/32.2)v^2+.5(10/32.2)(12/18*v)^2 + 5*18/12*sin(60)-10*12/12*sin60=0

I don't understand why they put the radius in the kinetic energies like the 12/18 part. I know you have to do that, but I don't understand why.