Anya knows the velocity of an object. What else does she need to know in order to find the object’s momentum? its mass
its height
its density
its speed

The air that we breath is made mostly of which gaseous molecule

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

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.