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Amanda [17]
2 years ago
6

Which of the following is the best description of a gaseous substance?

Physics
2 answers:
sveta [45]2 years ago
6 0

Answer:

It has no shape of its own but has a definite volume.

Explanation:

Gases have no shape but a definite volume

hodyreva [135]2 years ago
3 0

Answer:

It has no definite shape or volume and will expand indefinitely.

Explanation:

A gaseous substance has no definite shape or volume, and it will expand indefinitely. This means it will spread to fill the area in which it's contained. Steam is a common example of a gas.

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Two rams run toward each other. One ram has a mass of 49 kg and runs west
olga nikolaevna [1]

Answer: (d)

Explanation:

Given

Mass of the first ram m_1=49\ kg

The velocity of this ram is v_1=-7\ m/s

Mass of the second ram m_2=52\ kg

The velocity of this ram v_2=9\ m/s

They combined after the collision

Conserving the momentum

\Rightarrow m_1v_1+m_2v_2=(m_1+m_2)v\\\Rightarrow 49\times (-7)+52\times (9)=(52+49)v\\\Rightarrow v=\dfrac{125}{101}\ m/s \quad[\text{east}]

Momentum after the collision will be

\Rightarrow 101\times \dfrac{125}{101}=125\ kg-m/s\ \text{East}

Therefore, option (d) is correct

4 0
2 years ago
Which of the following statements correctly describes the position of the intake and exhaust valves during most of the power sta
I am Lyosha [343]

Both valves are closed during the power stroke.

While the fuel is burning in the cylinder, you want
all the force of the expanding gases to push the
piston down ... you don't want any of the gases
or their pressure escaping. 

If either of the valves was open, even just a crack,
then part of the gases would go blooey out the valve,
and some pressure would be lost that's supposed to be
pushing the piston.

5 0
3 years ago
Read 2 more answers
Must all species reproduce in order for the species to survive?
Airida [17]

ANSWER:

the correct answer is D.Yes; without reproduction, once the living organisms died, there would be no offspring to replace them.

TIP: bc if a species dies and it doesnt reproduce that species will go extinct, and remember every specie plays a role in life (but they are some animals that dont and are just a threat to the world). so reproducing is the only way to keep their generation going!

~batmans wife dun dun dun...aka ~serenitybella

5 0
3 years ago
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How many Newtons of force does it take to move a 53 kilogram object?
Sidana [21]
519.75N

explanation: good luck on whatever assignment
3 0
3 years ago
PLEASE HELP! I'LL GIVE BRAINLEST​
Harlamova29_29 [7]

Answer:

1.62 m/s²

Explanation:

8 0
3 years ago
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