question_answer

                A projectile of mass M is fired so that the horizontal range is 4 km At the highest point the projectile explodes in two parts of masses M/4 and 3M/4 respectively and the heavier part states falling down vertically with zero initial speed. The horizontal range (distance from point of firing of the lighter part is):     JEE Main Online Paper ( Held On 23  April 2013 )

A)                   16 km                 

B)                                          1 km

C)                                          10 km                 

D)                                          2 km