​ A particle is suspended from a string of length ‘R’. It is given a velocity u = 3√Rg . Match the following ​

Question

A particle is suspended from a string of length ‘R’. It is given a velocity u = 3 \(\sqrt{Rg}\) . Match the following

Column I	Column II
(A) Velocity B	(p) 7 mg
(B) Velocity at C	(q) \(\sqrt{5 gR}\)
(C) Tension at B	(r) \(\sqrt{7 gR}\)
(D) Tension at C	(s) 4mg

Answer 1

A → r;  B → q;  C → p;  D → s

According to conversation of energy

Answer 2

A → r; 

B → q; 

C → p; 

D → s