Which of the following is the plural form of "medium"?
a. mediums
b. medias
c. media
d. medium

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?

Apulley with mass mp and a radius rp is attached to the ceiling, in a gravity field of 9.81 m/s2 and rotates with no friction about its pivot.

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)