Blog categorized as Kinematics

Q- A stick of length L is placed vertically by the wall. At its lower end sits a bug. The end B of the stick starts moving to the right with constant speed v, and at the same moment the bug starts crawling along the stick with speed u relative to the stick. What is the maximal height above the floor...

Q- Three particles, located initially on the vertices of an equilateral triangle of side L, start moving with a constant tangential acceleration ’a’ towards each other in a cyclic manner, forming spiral loci that coverage at the centroid of the triangle. Find the length of one such spiral.

Solution: