No. Mechanical energy is not conserved. There's quite a bit of friction on the slide. So some of the potential energy is lost to heat on the way down, and the child arrives at the bottom with hot pants and less kinetic energy than you might expect.
The solubility of gases in liquids increases with the increase in pressure.
The interaction between two like-charged objects is repulsive. ... Positively charged objects and neutral objects attract each other; and negatively charged objects and neutral objects attract each other.
Answer:
How does sperm cells get out of the genitals of the male's? What produces the sperms? Why does women have to hope on the genitals?
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