The graph shows the cooling curve of a substance. at which point does the substance begin to melt? a) p b) q c) r d) s

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.

The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?

The force it would take to accelerate an 900-kg car at the rate of 6m/s2