10. Driving to work one morning, you get a flat tire. When using the car jack, you apply 120 N of force to the jack and the jack in turn applies 2000 N of force to lift the car up. What is the mechanical advantage of the jack?

If the ama of the inclined plane below is 2, calculate the ima and efficiency. ima = efficiency =

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.

The receptor cells that convert light energy into neural signals are called