If we say that one quantity is directly proportional to another quantity, does this mean that they are equal to each other?
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If we say that one quantity is directlyproportional to another quantity, we do not mean they are equal to each other.
DIRECT PROPORTION:
- The term "direct proportion" refers to the relationship between two variables in which a change in one causes a similar change in the other.
- This means that when two quantities are directly proportional to one another, one quantity increases as the other increases and vice versa.
- For example, if quantity A is directlyproportional to quantity B;
- when quantity A increases, quantity B also increases
- when quantity A decreases, quantity B also decreases.
- Therefore, If we say that one quantity is directly proportional to another quantity, we do not mean they are equal to each other.
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NO !
It means that (one of them) divided by (the other one) is always the same number.
(Other people probably won't explain it to you this way, but I'm special, and this is true.
Anyway, the direct answer to your question is: No.)
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explain why a high speed collision between two cars would cause more damage than a low speed collision between the same two cars?
B) automobiles
C) trains
D) submarines
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Submarines. Work on nuclear marine propulsion in the 1940's, and the first reactor started up in the USA in 1953.
D).
B. constructive interference
C. destructive interference
D. destructive diffraction
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Two or more waves combining to produce a wave with a smaller displacement is called destructive interference .
What is the definition of destructive interference?
Destructive interference happens when the maxima of two waves are 180° out of phase a positive displacement of one wave is canceled exactly by a negative displacement of the other wave.
The formula for brighter patches resulting from constructive interference and darker patches resulting from destructive interference in a diffraction grating is:
Two or more waves combining to produce a wave with a smaller displacement is called destructive interference .
Hence, option C is correct.
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destructive interference occurs when two or more waves combine to make a wave with a smaller amplitude C is your answer my friend :)
Answers
Answer:
2.5 m/s
0 m/s
Explanation:
Average speed is distance over time.
Average velocity is displacement over time.
The bicycle travels 150 meters from A to B, then 150 meters from B to A. So the distance is 300 meters and the displacement is 0 m.
s = 300 m / 120 s = 2.5 m/s
v = 0 m / 120 s = 0 m/s
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The mass of the piece of copper will be 130 kg. In the International System of Units (SI), the kilogram is the unit of mass.
What is mass?
Mass is a numerical measure of inertia, which is a basic feature of all matter. It is, in effect, a body of matter's resistance to a change in speed or position caused by the application of a force.
The energy absorbed as;
Hence, the mass of the piece of copper will be 130 kg.
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5000 = m• 0.385 • (200-100)
m = 130kg
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Acceleration is any change in speed or direction of motion.
Speeding up, slowing down, or moving along a curve are all accelerations.
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The speed of the pendulum is greatest at the midpoint of the pendulum marked 3.
What is a pendulum?
A pendulum is an device that can be used to demonstrate oscillation. We know that in pendulum the potential energy is maximum at the ends of the pendulum.
Thus, the speed of the pendulum is greatest at the midpoint of the pendulum marked 3.
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Answer:
The speed of the pendulum is at maximum at x=0