Everywhere I looked they solved this problem with energy conservation, but is it possible to solve it using centripetal acceleration?
The Attempt at a Solution
I tried putting (mv^2/r)*sin (theta) - F= ma which i solved for a. This gives me acceleration in x axis?
Then I used kinematic equation:
Did I think right, is it possible to use centripetal acceleration to solve this problem? Why? Why not? I got 8.6m/s as the initial speed I believe, the right answer is 6.15m/s