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Lorico [155]
3 years ago
9

Can anyone please answer both of these questions?

Physics
1 answer:
Anestetic [448]3 years ago
6 0
A. YES. As speed is a scalar quantity, direction of movement doesn’t affect it.

B. Because the friction force due to air acting on the upper part of body of the person who is traveling on the roof of the running bus try to turn over which is dangerous for passengers while the lower portion remain at rest.
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When can hfc-134a become combustible in a mobile air conditioning system?
zubka84 [21]
The  mixture  of  HFc-134a with  high  concentration  of  air  at  raised  pressure    can  become  combustible  in  presence  of  a  ignition  source,  that  is  oxygen  enriched  environment.Thus  at  high  pressure  in a mobile  air  condition   led   to   combustible  of HFC-134a.
3 0
4 years ago
Which of the following can easily be studied objectively? history meteorology sociology theology
Vilka [71]
<h2>Answer: meteorology </h2>

Explanation:

From the given options , meteorology is the only one that can be studied objectively, since it is an interdisciplinary science that relies on basic sciences such as physics and mathematics and applied sciences to the study of the atmosphere, the weather, the phenomena produced and the physical laws that govern it. In addition, meteorology uses objective techniques to study and predict the various phenomena that occur in the atmosphere.

Unlike history, sociology and theology, in which there is a possibility of the existence of some data are subjective and not true or only based on opinions <u>without scientific evidence</u>.

8 0
3 years ago
The amount of the lighted side of the moon you can see is the same during
attashe74 [19]

<u>Answer:</u>

The amount of the lighted side of the moon you can see is the same during "how much of the sunlit side of the moon faces Earth".

<u>Explanation:</u>

The Moon is in sequential rotation with Earth, and thus displays the Sun, the close side, always on the same side. Thanks to libration, Earth can display slightly greater than half (nearly 59 per cent) of the entire lunar surface.

The side of the Moon facing Earth is considered the near side, and the far side is called the reverse. The far side is often referred to as the "dark side" inaccurately but it is actually highlighted as often as the near side: once every 29.5 Earth days. During the New Moon the near side becomes blurred.

5 0
3 years ago
A truck driver is going down a one way street the wrong way, and passes at least ten cops. Why is he not caught?
garik1379 [7]
I think because there is only one way to go 

6 0
3 years ago
A roller coaster is entering a vertical loop which has a radius of 25.0 m. If the coaster is
MakcuM [25]

Answer:

6080 N

Explanation:

F = m v² / r

F = (75.0 kg) (45.0 m/s)² / (25.0 m)

F = 6075 N

Rounded to three significant figures, the centripetal force is 6080 N.

6 0
4 years ago
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