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                                    105.a body is projected at an angle 60^° with the horizontal ground with kinetic energy K. When the velocity makes an angle 30^° with the horizontal ,the horizontal ,the kinetic energy of the body will be | 
                            
| Answer» 105.a body is projected at an angle 60^° with the horizontal ground with kinetic energy K. When the velocity makes an angle 30^° with the horizontal ,the horizontal ,the kinetic energy of the body will be | |