PHYSICS HIGH SCHOOL

A statistic is a(n) __________ that describes groups or samples of objects.observation
analogy
number
experiment

Answers

Answer 1
Answer: The answer is number. The statistic is usually a numerical value that we have obtained through the application of different amthematical algorithms to our datasets. Examples of such algorithms include summary measures, the arithmetic mean, the standard deviation, etc. Statistics are used to give us information about our samples and subgroups, whereas parametrs are numerical values that give us infromation about our population values. 
Answer 2
Answer:

Answer:

The answer is C.

Explanation:

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The function of a capacitor in an electric circuit is to A. allow current flow between its plates.
B. store electric charges.
C. increase circuit power.
D. measure the amount of current in the circuit.

Answers

Answer: B. store electric charges.

Explanation: I JUST TOOK THE PF EXAM AND I GOT IT CORRECT!!!!

What is the volume of a rectangular object with L = 4.00 cm W = 2.00 cm H = 0.50 cm?

Answers

simply plug in these numbers into the Volume formula of a rectangle:
1) V=LWH
2)V=(4.00)(2.00)(0.50)
3)V=4cm^3
V=LWH
L=4
W=2
H=0.5
V=(4)(2)(0.5)
V=4cm^3

4 cubic centimeters

Which activity will create tension in the legs

Answers

running is one activity riding a bicycle too

a ball is dropped from rest at a height of 80 m above the ground. what is the speed just as it hits the ground?

Answers

Δx=Vi(t)+.5at²
Δx=80
a=9.8
Vi=0 since its from rest, the initial velocity is 0.
80=0+.5(9.8)t²
t=16.33
You can use one of the big five equations: Vf=Vi+at
Vf=0+9.8(16.33)
Vf=160.034 m/s

The sun is the ultimate source for energy on the Earth.
a. True
b. False

Answers

So we want to know is it true or false that the Sun is the ultimate source of energy on Earth. The answer is true because fossil fuels are solar energy trapped in the Earth's surface. Water cycle is dependent on solar radiation and we use water to produce electricity. We use solar panels to produce electrical energy. And also, all plant life harvests solar energy.

This statement is TRUE.

To neutralize gastric juices in your stomach antacids contain

Answers

To neutralize gastric juices in your stomach antacids contain basic chemicals. The acid in your stomach has a lower pH value. To neutralize this and reach a pH of 7, the antacid must contain a base.
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