Coach Wilkins drops a football from the top of the home bleachers at Tiger Stadium. If the stadium is 17.5 meters tall, how long did it take the ball to fall?

Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference

Two forces produce equal torques on a door about the door hinge. the first force is applied at the midpoint of the door; the second force is applied at the doorknob. both forces are applied perpendicular to the door. which force has a greater magnitude?

What happens when a rubber rod is rubbed with a piece of fur?