Atank with a flat bottom is filled with water to a height of 4 meters. what is the pressure at any point at the bottom of the tank? (you can ignore atmospheric pressure when calculating your answer)

Rohit is trying to tune an instrument

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.

How is the ideal mechanical advantage of a wheel and axle calculated?