Part 1. A girl leaves a history classroom and walks 10 meters north to a drinking fountain. Then she turns and walks 30 meters south to an art classroom. What is the girl's total distance traveled? Part 2. Using the information above from Part 1. What is the girl's total displacement from the history classroom to the art classroom?
Answers
The total distance traveled by the girl will be 40 meters and the displacement will be 30 meters.
What will be the distance and displacement of the girl?
Distance = total amount of path followed by any body called distance.
Displacement= The minimum distance between two points irrespective to the path followed by the body is displacement.
It is given that
Distance traveled to north direction = 10 metres
Distance traveled to south direction= 30 metres
So the path followed by the girl in total = North direction + south direction
= 10+30
= 40 meters
And the displacement = min distance between History class and fountain
= 30 meters
total distance traveled by the girl will be 40 meters and the displacement will be 30 meters.
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Answers
Considering the rule of three, the number of tablets in the bottle is 4.
In first place, the rule of three is a way of solving problems of proportionality between three known values and an unknown value, establishing a relationship of proportionality between all of them.
That is, what is intended with it is to find the fourth term of a proportion knowing the other three.
If the relationship between the magnitudes is direct, that is, when one magnitude increases, so does the other (or when one magnitude decreases, so does the other) , the direct rule of three must be applied.
To solve a direct rule of three, the following formula must be followed, being a, b and c known data and x the variable to be calculated:
a ⇒ b
c ⇒ x
So:
The direct rule of three is the rule applied in this case as follow: if 250 mg = 0.250 g is the mass of 1 medicinal tablet, 1 kg = 1000 g is the mass of how many medicinal tablets?
0.250 grams ⇒ 1 medicinal tablet
1000 grams ⇒ x
Then:
x= 4 medicinal tablets
Finally, the number of tablets in the bottle is 4.
Learn more:
Given parameters:
Mass of each tablet = 250mg = 0.25g
Mass of all tablets in the bottle = 1kg = 1000g
Unknown:
Number tablets in the bottle = ?
Solution:
The number of tablets in the bottle;
Number of tablets =
Mass is the amount of matter that makes up a substance
Number of tablets = = 4000 tablets