A cannon of mass 5m (including a shell of mass m) is at rest on a smooth horizontal ground ,fires the shell with its barrel at an angle theta with the horizontal at a velocity u relative to cannon.Find the horizontal distance of the pt where shell strikes the ground from the initial position of the canon.
Nilu mishra , 6 Years ago
Grade 11
1 Answers
Arun
Last Activity: 6 Years ago
since initial momentum is 0 final must also be, relative=u hence absolute=u + v...where v=recoil velocity, 4m.v=m(u+v) v=u/3 hence initial velocity=u+u/3=4u/3 and angle of projection=A hence Range= 16 u^2 sin2A ____________ ANS 9g
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Arun (a)skIITians forum expert
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