Anew brand of gym shoe claims to add up to 2 inches to an athlete’s vertical leaps. design an experiment to test this claim.
describe a sample procedure.
a) find the average vertical leap of all the athletes in their regular shoes. give the control group the new shoes and the experimental group a different pair of shoes. find the average vertical leap of the athletes in both groups. compare the increases in vertical leap for each group.
b) find the average vertical leap of all the athletes in their regular shoes. give the experimental group the new shoes and the control group a different pair of shoes. find the average vertical leap of the athletes in both groups. compare the increases in vertical leap for each group.
c) find the average vertical leap of a group of athletes in their regular shoes. then give them each the new shoes and find their average vertical leap. compare the before and after results.

step-by-step explanation:

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.

c

step-by-step explanation:

there is vertical asymptote at x = 2 and x = 0

vertical asymptote occurs at the points where the denominator is 0. so we can say that

x = 2 occurs when there is a factor (x-2) in the denominator, and

x = 0 occurs when there is a factor "x" in the denominator

thus, the denominator of the equation would have "x * (x-2)", this is option c only. that's the correct answer.