Adam is used to block the passage of a river and to generate electricity. approximately of water fall each second through a height of 19.6 m. if 85 % of the gravitational potential energy of the water were converted to electrical energy, how much power would be generated?

Abird flies directly overhead from where you stand at an altitude of 300.0 m and at a speed horizontal to the ground of 20.0 m/s. the bird has a mass of 2.0 kg. the radius vector to the bird makes an angle \thetaθ with respect to the ground. the radius vector to the bird and its momentum vector lie in the xyxy-plane. what is the bird’s angular momentum about the point where you are standing?

If you divide a speed in miles per minute by 60, you get the same speed expressed in miles

For most stars, what does a higher temperature tend to to with? a lower luminosity a higher luminositya red color none of the above