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VikaD [51]
4 years ago
5

Please help ASAP!! I need a good grade on this!!!!

Physics
1 answer:
svet-max [94.6K]4 years ago
6 0

Answer:

1A) 3kg * m/s

2D) 100

3, Guess: A smaller change of momentum

4, Guess: A, 1.80

5B) 20

Explanation:

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Explanation:

<h2>Yes!</h2>

<h3>In physics, constant velocity occurs when there is no net force acting on the object causing it to accelerate. In terms of airplane flight, the two main forces influencing its velocity forward are drag and thrust. At a constant altitude, when the force of thrust equals the opposing force of drag, then the airplane will experience uniform motion in one direction. This can be further explained by Newton’s First Law. </h3>
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4 years ago
Why are the mitochondria in plant cells important?
artcher [175]
Because they take food and make energy that the rest of the cell can use.
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3 years ago
What type of mixture is salad dressing?​
Bezzdna [24]

Answer:

Heterogeneous Mixture

Explanation:

Heterogeneous by definition is when two different substance are mixed together, but they are not evenly distributed. In this case, the salad dressing is a Heterogeneous Mixture, for the dressing does not mix completely evenly throughout the salad.

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3 years ago
The train with a mass of 49 kg × 10⁴ kg departs from the place and in 25 seconds reaches a speed of 5m / s, determine the attrac
mote1985 [20]

Answer:

Read this entry from a blog about service dogs.

Lexie, an eight-month-old black Labrador retriever, is sleeping quietly at my feet. I can’t help but think that her soft, velvety ears and alert brown eyes would make her the perfect “doggie model” for pet magazines and pet store ads. However, Lexie will soon have a much more important job to do. In a few months, she will become the loyal companion and service dog for a young man who has been blind since birth. She will help him board public transportation, such as buses, subways, and trains, and she will help him safely cross busy intersections. Lexie will even help the young man avoid obstacles, such as high curbs and low overhangs. Like all dogs in our organization, Lexie has undergone months of specialized training to help a visually impaired person lead an active and independent life.

What is the secondary purpose of this blog?

to inform readers about seeing-eye dogs

to entertain readers with details about Lexie

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3 years ago
A hollow spherical planet is inhabited by people who live inside it, where the gravitational is zero. When a very massive space
Ulleksa [173]

Answer:

c) nonzero, directed toward the spaceship

Explanation:

As we know that net gravitational force due to spherical shell inside all its points will always be zero

So if planet is a spherical shell then inside the planet net gravitational force is zero on the people living in it

So when massive spaceship land on the surface of planet then the gravitational force of the spaceship is experienced by the people inside the shell

So here the gravitational force on the people is nonzero and it is towards the spaceship which landed on the surface of planet

5 0
3 years ago
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