If you push down a table with a force of 5 newtons, what is the normal force pushing back on you

Find the volume of the ellipsoid x^2+y^2+5z^2=36.

Identify the forces that contribute to the centripetal force on the object in each of the following examples: a. a bicyclist moving around a flat, circular track b. a bicycle moving around a flat, circular track c. a racecar turning a corner on a steeply banked curve

Aregular polygon has angkes of size 150° each.how many side has the polygon