At the very top of the swing the velocity=0. If the velocity is 0 then the kinetic energy is 0 as well because kinetic energy is the energy of movement.
Breathing in air pollutants can irritate your airways. It may cause shortness of breath, coughing, wheezing, asthma episodes and chest pain. Overtime, exposure to air pollution puts you at risk for lung cancer, heart attack/strokes, etc. Some people are more at risks from others though
<span>C) Evidence at a crime scene should be replaced with evidence from the victim’s home </span>
Flucuated between hot and cold periods
A biologist researching liver function in mice can administer drugs that are meant for human use to the rats and find out the effects this drugs will have on the rats' liver. Whatever result she find can be extrapolated to humans.
Thus, the biologist can contribute to medial advancements by using her findings to predict the effects of these drugs on human livers.