JEE Mains Model Paper 24

A conical pendulum consists of a mass ‘M’ suspended from a string of length ‘l’. Themass executes a circle of radius ‘R’ in a horizontal plane with speed ‘v’. At time ‘t’, themass is at position R

^

i

and has velocity v

^

j

. At time 't' , the angular momentum vectorof the mass ‘M’ about the point from which the string suspended is