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                                    A gun fires a shell and recoils horizontally. If the shell travels with speed v with respect to the barrel, the ratio of speed with which the gun recoils if (i) the barrel is horizontal (ii) inclined at an angle of 30∘ with horizontal is | 
                            
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Answer»  A gun fires a shell and recoils horizontally. If the shell travels with speed v with respect to the barrel, the ratio of speed with which the gun recoils if (i) the barrel is horizontal (ii) inclined at an angle of 30∘ with horizontal is  | 
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