A large bottle contains a number of medicinal tablets each having a mass of 250mg. The mass of all the tablets is 1 kg. Calculate the number of tablets in the bottle.
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
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Hope I helped :)
About 85% sure on this one.
Answers
The statement “In power plants, generators convert mechanical energy into chemical energy” is false. It should be that the generator will convert chemical energy from the raw material such as fuel oil that it receives into mechanical energy to generate energy.
Answer:
The statement “In power plants, generators convert mechanical energy into chemical energy” is false. It should be that the generator will convert chemical energy from the raw material such as fuel oil that it receives into mechanical energy to generate energy.
Answers
The frequency doesn't depend on the wave speed.
Frequency is simply the reciprocal of the period.
Frequency= 1 / (3sec) = 1/3 per sec = 1/3 Hz.
So
f=1/3=0.33Hz
Answers
When you say "heavy", you're talking about the gravitational force
between that object and another object, so it depends on what the
"other object" is.
If the "other object" is, let's say, the sun, then the gravitational attraction
between the Earth and sun is about 80 times as much as the gravitational
attraction between the Moon and sun, because the Earth has about 80 times
the mass of the Moon.
But if, somehow, the weight you have in mind is the gravitational attraction
between the Earth and the Moon, then those forces are equal. The force
of gravity between two objects depends on the product of both masses,
and it's equal in both directions.
If that isn't clear to you, let me give you this additional fact that's guaranteed
to knock you even further off-balance:
Your weight on the Earth is determined by the product of
(your mass) times (the Earth's mass).
The Earth's weight on you is determined by the product of
(your mass) times (the Earth's mass).
Your weight on Earth is the same as the Earth's weight on you.
Would you like to prove it ?
-- Turn the bathroom scale upside-down, so that the step-pad
is on the floor.
-- Then step on it, so that you're standing on the bottom, which
is facing up.
-- If you placed a little mirror on the floor, so that you can read
the numbers, which are facing down toward the floor, you'll
read your own weight, even though with the scale upside-down,
you're weighing the Earth on you.
Answers
Answer:
second class lever
Explanation:
Answers
the load distance is approximately 0.2 meters or 20 cm. To calculate the load distance in this scenario, we can use the principle of moments, which states that the sum of clockwise moments about a point is equal to the sum of counterclockwise moments about the same point when an object is in equilibrium.
In this case, we have two forces:
1. A known force of 325 N applied at a distance of 40 cm (0.4 meters) from the point of interest.
2. An unknown force of 650 N applied at an unknown distance, which we need to find.
Let's assume the unknown distance is "d" meters.
Using the principle of moments:
Clockwise Moment = Counterclockwise Moment
(325 N) * (0.4 m) = (650 N) * (d m)
Solving for "d":
d = (325 N * 0.4 m) / 650 N
d ≈ 0.2 meters
So, the load distance is approximately 0.2 meters or 20 cm.
To know more about moments:
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