Answer to Question #127115 in Physics for Asif Sultan

Question #127115

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Explain the solution.
Thanks

Expert's answer

Initial momentum = final momentum

"mv=2mu\\cos45\u00b0\\to u=\\frac{v}{2\\cos45\u00b0}=\\frac{v}{2\\cdot\\frac{\\sqrt{2}}{2}}=\\frac{v}{\\sqrt{2}}" (c) Answer.

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