26) Q is taken as theeta {not a method 2 solve the problem
easier typing)
let v be the velocity at the desired point
horizontal component remains unchanged------->v cos Q/2 = u cos Q
v= u cos Q/ cos Q/2..(1)
radial acceleration is the component of acc perpendicular to velocity
acceleration radial = g cos Q/2
v^2 /r = g cos Q/2....................................(2)
substituting v from .......(1) in (2)
r =( u^2 cos^2 Q) / g cos^3 Q/2
Moderation Team
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