A car drives straight down toward the bottom of a valley and up the other side on a road whose bottom has a radius of curvature of 100 m. At the very bottom, the normal force on the driver is twice his weight.

At what speed was the car travelling?

Express you answer to three significant figures and include appropriate units.

Which are advantages of renewable resources? check all that apply. renewable energy supplies are completely reliable everywhere. some renewable resources will never be used up. little or no waste is produced by renewable resource plants. electricity can be generated in large quantities. many renewable energy facilities have lower operating costs.

What’s #16 asking and how do i solve it?

Acoil suspended freely, points in some direction when no current is passed through it . can you tell what will happen when a current is passed though it?