Question

A 500-kg ball at the end of a 30-m cable suspended from a crane is used to demolish an old building.

A. If the ball has an initial angular displacement of 20 ∘ from the vertical, determine its speed at the bottom of the arc.

Answer 1

This question is based on the concept of

1. Trigonometry

2. Conversion of potential energy into kinetic energy

3. mathematical simplification

The detailed solution is described below

THANKS