Describe in your own words, what is insulation?

Which of the following is the best name for mgcl2

Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.

When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?