Physics Help Forum Inelastic Collsion Question

 Aug 8th 2017, 12:42 PM #1 Junior Member   Join Date: Aug 2017 Location: London Posts: 1 Inelastic Collsion Question 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! Attached Thumbnails
Aug 16th 2017, 11:17 PM   #2
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Join Date: Jul 2017
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 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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