Q6 An insect crawls up a hemispherical surface very slowly

Last updated: 6/8/2023

Q6 An insect crawls up a hemispherical surface very slowly see the figure The coefficient of friction between the surface and the insect is 1 3 If the line joining the centre of the hemispherical surface to the insect makes an angle a with the vertical the maximum possible value of a is given a a cota 3 b tana 3 c seca 3 d coseca 3