RUS
The material or substance that a wave moves through is called a
The medium affects the speed of
the wave that passes through it. One factor that affects the speed of a wave is the
of medium Some
waves move faster in solids and some waves move faster in liquids and gases Another factor that affects wave
speed is the
of the medium

Amoving company collects data about couches they move and displays the data in a table. the force along the ramp, the angle of the ramp, and the height the couch is raised to are shown. which statements correctly compare the work done to move the couches? check all that apply. the same amount of work is done for couches 1 and 3. the same amount of work is done for couches 2 and 3. the work for couch 1 is greater than the work for couch 2. the work for couch 2 is less than the work for couch 3. the work for couch 3 is greater than the work for couch 1. the work for couch 2 is greater than the work for couch 1.