Problem 5.2. Find the position of centre of mass of five equal-mass particles located at the five corners of a square-based right pyramid with sides of length 'l' and altitude 'h'. Torque Angular Momentum And Equilibrium problem 2. Sindh Textbook Board (stb) problems

23. Using the definition of vector product, prove the law of sines for plane triangles of sides a, b, and c.

(law of sines using vector product stb)