Originally Posted by **Gedison7** Hi I found part (a) no struggle however Im stuck on part (b) of this question.
using U= J/m cos(Θ ) Ive found v^2 =(J/m)^2*cos^2(Θ) - 2gh.
Very confused where to go from here.
Any help would be much appreciated! |

The choice of U=J/m cos() is the issue here. The initial velocity aligns with the direction of the impulse (theta to horizontal plane) and it is just J/m. You can workout from there. If needed, handwritten solution is added.

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