on a circular track a person is running with a speed V radius of the circular track isR and at its Centre there is a light source placed such that it Casts a shadow of the man on the vertical wall tangential to the circular track. If the person starts from the point of contact on the wall. Find speed of shadow on the wall when its angular displacement is 30 degree. Plzz ans this as soon as possible its very urgent.

Aayushi Masurekar , 6 Years ago

Grade 12