A particle describes a horizontal circle on the smooth surface of an inverted cone. The plane of that circle is at a height of 9.8cm above the vertex. Then the speed of the particle is

A particle describes a horizontal circle on the smooth surface of an i

1.	A particle describes a horizontal circle on the smooth surface of an inverted cone. The plane of that circle is at a height of 9.8cm above the vertex. Then the speed of the particle is
Answer» `0.49 MS^(-1)` `0.98 ms^(-1)` `1.96 ms^(-1)` `3.92 ms^(-1)` ANSWER :B