A metric ton is 1,000 kg, and a British ton is 2,000 lb. Which has the greater weight by how much?

When many atoms are split in a chain reaction, a large explosion occurs. this is an example of what type of energy conservation

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?

What is the role of the water cycle in maintaining freshwater levels in lake and rivers?