A particle describes a horizontal circle on the smooth inner surface of conical funnel whose vertex angle is 90^(@). If the height of the plane of the circle above the vertex is 9.8cm, the speed of the particle is

A particle describes a horizontal circle on the smooth inner surface o

1.	A particle describes a horizontal circle on the smooth inner surface of conical funnel whose vertex angle is 90^(@). If the height of the plane of the circle above the vertex is 9.8cm, the speed of the particle is
Answer» `SQRT(9.8)m//sec` `0.98m//sec` `19.6 m//sec` `14.7 m//sec` ANSWER :B