What if? what is the minimum height h from which the bead can be released if it is to make it around the loop? (use any variable or symbol stated above as necessary. ).

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

How to do this , and can some one explain

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction