Answer:
he kinetic energy increases on the descent, being maximum at the lowest point of the trajectory.
Explanation:
In these semicircular sections the skaters slide from one side to the other, in the downward path their kinetic energy increases and their potential energy decreases; When it leaves the ramp and is in the air, the kinetic energy decreases rapidly, up to the point of maximum height where the kinetic energy is zero.
Consequently, the kinetic energy increases on the descent, being maximum at the lowest point of the trajectory.
Answer:
Animals get the nitrogen they need by eating plants or other animals that contain nitrogen.
Explanation:
Answer:
Newton's first law of Inertia.
Explanation:
This explains how a magician is able to remove a tablecloth from under dishes and glasses on the table without disturbing them. Because of the mass of the object, it remains in inertia. The Tablecloth, in this trick, is slippery so that it does not have any real friction with glasses and dishes.
Firstly these questions are quite simple. You should try to solve your homework by yourself.
Secondly, I think I'm gonna help you.
1.Atom
2.Element
3.Pure substances
4.Mixture
5.Solutions are homogenous mixtures with particle sizes of less than 1nm
Colloids are heterogenous mixtures with particle size of 1 to 1000 nm
Suspensions are heterogenous mixtures with particle sizes above 1 micrometre
