- #1

El foolish Phenomeno

- 7

- 0

- Homework Statement
- A pool ball X of mass 0.3 kg moving with velocity 5 m/ s hit a stationary ball Y of mass 0.4 kg . Y moves off with a velocity of 2 m/ s at 30 ° to the initial direction of X . Find the X and it's direction after hitting it.

- Relevant Equations
- momentum formulas

First i think the correct solution to the problem is

But my friends argue that it is not what i did , i am confused we didn't see the whole chapter on momentum in class, (Youtube thank you)

here is what my friends say :

(0.3×5) + 0 = (V×0.3)+(0.4×2)

and they get they a final speed of 2.33 m/s , with negative direction.

here is what my friends say :

(0.3×5) + 0 = (V×0.3)+(0.4×2)

and they get they a final speed of 2.33 m/s , with negative direction.