A perfect square is a number that can be expressed as the product of two equal integers.
The only way to accurately calculate if a number is a perfect square is to find the factors. Before we go through the trouble of finding the factors, there is a quick trick you can use to help determine if you need even need to do the extra work.
Answer:
w=169
Step-by-step explanation:
subtract 187 by 18
Step-by-step explanation:
<h3>Potential energy is the energy stored in an object due to its position relative to some zero position. An object possesses gravitational potential energy if it is positioned at a height above ( or below ) the zero height.</h3><h3>- A raised weight </h3><h3>- Water behind a dam</h3><h3>- A car parked at the top of a hill</h3><h3>- A snow pack ( Potential avalanche )</h3><h3>- A yoyo before it is released</h3><h3>- River water at the top of a water hill</h3><h3>- A book on top of a table before it falls</h3><h3>- A child at the top of a slide</h3>