Physics
In what way does the temperature of water at the bottom of a waterfall differ from the temperature at the top? Explain the reason.
Related Questions
When an arrow is shot from a bow, it has kinetic energy in it. Explain briefly from where does it get its kinetic energy?
A ball is placed on a compressed spring. What form of energy does the spring possess? On releasing the spring, the ball flies away. Give a reason.
A pebble is thrown up. It goes to a height and then comes back on the ground. State the different changes in the form of energy during its motion.
What is meant by gravitational potential energy? Derive an expression for it for a body placed at a height above the ground.