In a ball is pendulum, a bullet of mass m is fined with an initial speed, at a wooden block, hanging from a mass less string or length L the wooden block has a mass of M after the collision, the bullet is embedded, in to the wooden block and to get her as one these swing through an arc, eventually geing a peak height of h. find the expression f or, the height h 4 the angle ፀ, the string makes, to its orignal position. at peak height​