A block with a mass of 100 grams slides to the right at 4.0 meters per second and hits another block which has a mass of 150 grams. After the collision, block b slides to the right, and rebounds hitting block A, which slides to the left at 1.5 m/s. Calculate the speed of Block b after the collision.

How do we measure or think of speed in the united states?

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.

Which statements did both aristotle and ptolemy assume? check all that apply.