physicshelpline - Question of the day #2Dphysicshelpline - Question of the day #2Dhttps://www.physicshelpline.com/Question/tag/2dSat, 20 Jun 2026 16:18:50 +0530http://zoho.com/sites/<![CDATA[Bug on sliding stick]]>https://www.physicshelpline.com/Question/post/bug-on-sliding-stick

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 that the bug reaches while it crawls along the stick? End A of the stick does not lose contact with the wall.                 Solution:

]]>Sat, 07 Feb 2026 09:22:57 +0530<![CDATA[Particles on Triangles]]>https://www.physicshelpline.com/Question/post/Kinematics

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:

]]>Wed, 17 Dec 2025 08:36:09 +0530