A grass trimmer for landscaping has a rotating head which consists of a spool of monofilament line, with a strand of line that extends out from the edge. The spool has an inner diameter of 3.00 cm and an outer diameter of 18.0 cm, and a mass of 100 g. The strand has a length of 16.0 cm. The monofilament line has a linear density of 10.0 g/m. A single strand of the cord extends 16.0 cm from the outer edge of the spool. When switched on, the trimmer speeds up from 0 to 2 250 rev/min in 0.230 s.

What average power is delivered to the head by the trimmer motor while it is accelerating?

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.