"What is the magnifying power of an astronomical telescope using a reflecting mirror whose radius of curvature is 5.9 m and an eyepiece whose focal length is 2.7 cm

As a car drives with its tires rolling freely without any slippage, the type of friction acting between the tires and the road is 100) a) static friction. b) kinetic friction. c) a combination of static and kinetic friction. d) neither static nor kinetic friction, but some other type of friction. e) it is impossible to tell what type of friction acts in this situation.

Explain what happens at the saturation point when adding salt to water at room temperature.

Newtons view of arrangement of the universe. don't copy from anywhere.