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ramya bhaskar Grade: 11
        

a projectile of mass m is projected at an angle Θ to the horizontal, the projectile at highest point breaks into two fragments of equal masses. one of the fragments retraces its path to the point of projection the velocity of other fragment just after explosion is.

7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear ramya


at highest point projectile has horizintal velocity =vcosΘ


one fragmant part can retrace the path only when it has velocity =vcosΘ in the reverce direction


lat the velocity of other part is v1


so


mvcosΘ=m/2(-vcosΘ) +m/2 v1


v1=3vcosΘ





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Badiuddin

7 years ago
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