The measure of the amount of matter an object contains is called

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Find v(t), given acceleration a(t)=7j and initial velocity v(0)=k

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.