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Varvara68 [4.7K]
3 years ago
14

Write a hypothesis about the effect a change in temperature will have on the volume of a gas.

Physics
2 answers:
Licemer1 [7]3 years ago
7 0
The colder the more likely it is to become a liquid
horsena [70]3 years ago
3 0
Hypothesis:
As long as I keep the gas in the same container, a change in
temperature will have no effect on the volume of the gas.

Exception:
If I make it TOO cold, then the gas it will change to liquid, and
this hypothesis won't apply.
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The rate at which light energy is radiated from a source is measured in which of the following units?
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Answer is Option C Lumen.It is also known as luminous energy. 
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3 years ago
Gravity and magnetism are both
ella [17]

Answer:

Explanation:

Comment

You have to read this carefully enough that you don't mix up energy and forces.

Gravity is a force. If you don't believe me try jumping off a building. Which way are you going to go and why? Down because gravity attracts your mass.

So Magnetism must be a force as well. It acts in one direction, but not a specific one the way gravity acts). It also either attracts or repulses (pushes an object away)

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3 0
2 years ago
Read 2 more answers
8. Object A has a momentum of 80 Ns and collides and sticks to object B which has a momentum of -30 Ns. What is the momentum of
BigorU [14]

Given,

The momentum of the object A before the collision, p₁ =80 Ns

The momentum of the object B before the collision, p₂=-30 Ns

Given that the objects stick together after the collision.

From the law of conservation of momentum, the total momentum of a system should always remain the same. Thus the total momentum of the objects before the collision must be equal to the total momentum of the objects after the collision.

Thus,

p_1+p_2=p

Where p is the total momentum of the system at any instant of time.

On substituting the known values,

\begin{gathered} p=80-30 \\ =50\text{ Ns} \end{gathered}

Therefore the total momentum of the system is 50 Ns

Thus the momentum of the object AB after the collision is 50 Ns

6 0
1 year ago
a safety hazard that can occur from having a battery attached for more than a short period of time causes...
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It could shock you since the battery could overheat
4 0
3 years ago
A horizontal metal bar oriented east-west drops straight down in a location where the earth's magnetic field is due north. as a
amid [387]

Metal bar is aligned along East- West direction and it is dropped vertically down

So its velocity is along -Z direction,

Now the Earth's magnetic field is towards north so its towards +Y direction

now we have formula for force on a moving charge

F = q(v X B)

v = - z direction

B = + y direction

now by the above formula

F = q(v(-k) X B(j))

F = qvB (i)

So force is towards East

so all positive charge is towards East end


5 0
3 years ago
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