Determine the position in the oscillation where an object in simple harmonic motion: a. has the greatest speed. b. has the greatest acceleration. c. experiences the greatest restoring force. d. experiences zero restoring force.

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Describe the function of the endomembrane system? what organelles are involved?

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?