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Semmy [17]
4 years ago
9

What is the answer??

Physics
1 answer:
valina [46]4 years ago
7 0
I think the answer is b.
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Explain how airplane wings and the wings of birds affect the air flowing over them to produce lift
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Engineers are trying to improve a race car. Their goal is to increase the acceleration of the car using the same engine. Which c
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Decreasing the mass of the car will help increase the acceleration of the car using application of Newton’s laws of motion.

<h3>What is Newton's law of motion?</h3>

This law discusses the relationship between motion of a substance and the forces acting on it.

Heavy objects are more difficult to move which is why decrease in mass will help increase the acceleration.

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2 years ago
Two skaters stand facing each other. One skater's mass is 60 kg, and the other's
jeyben [28]

Answer:

v' = 2.4 m/s

Explanation:

Given that,

Mass of one skater, m = 60 kg

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The two skaters push off each other. After the push, the smaller  skater has a velocity of 3.0 m/s.

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mv = m'v'

v'=\dfrac{mv}{m'}\\\\v'=\dfrac{60\times 3}{75}\\\\v'=2.4\ m/s

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3 years ago
You can speed up a chemical reaction by using a recyclable substance called areactant
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The answer is True. You can speed up chemical reactions by using a recyclable substance called a reactant.










5 0
3 years ago
Read 2 more answers
Label the layers of the Earth in order from youngest to oldest according to the law of superposition.
zaharov [31]

Answer:

With the increase in depth, age of layer increases.

Explanation:

According to the law of superposition, the layer of the Earth that is present in the deep is considered as the oldest layer while on the other hand, those layer which is present on the top of all layers is considered as youngest layer of earth. When we move from the top layer towards the bottom layer, the age of layer increases or in other words, when we move upward the age of the layer decreases so label the layers of earth on the basis of this phenomenon.

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3 years ago
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