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DedPeter [7]
3 years ago
9

Which of the following is a sample of igneous rock?

Physics
1 answer:
Blizzard [7]3 years ago
5 0

Answer:

I would say it's B. But just in case here is some information if I'm wrong.

Explanation:

Igneous rocks are very dense and hard. They may have a glassy apprearance. Metamorphic rocks may also have a glassy appearance. You can distinguish these from igneous rocks based on the fact that metamorphic rocks tend to be brittle, lightweight, and an opaque black color.

Hope this helps!

Please mark me Brainliest! :)

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PolarNik [594]

Answer:If a wave y(x, t) = (6.0 mm) sin(kx + (600 rad/s)t + Φ) travels along a string, how much time does any given point on the string take to move between displacements y = +2.0 mm and y = -2.0 mm?

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3 years ago
How much momentum does Elena's 1200kg car have if it is traveling with a velocity of 15 m/s N?
LenKa [72]

Answer:

18000kg.m/s

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A boiler is being used to heat water. The graph shows the temperature of
Vinvika [58]

Answer:

a. Liquid state

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4 0
3 years ago
A clam of mass 0.12 kg dropped by a seagull takes 3.0 s to hit the ground. [Neglect friction.]
inna [77]
This is a defective, misleading question, and should never be asked in a Physics class.

There is no such thing as the force due to the impact.

If you know how long it takes the clam to stop once it begins to hit the dirt,
then you can calculate the impulse transferred to it, and tease a force out
of that.  But the question doesn't give us the time. 

It depends on the material of the surface.  Was the clam dropped onto dirt ? 
Into a dumpster ?  Onto grass ?  Concrete ?  Styrofoam ?  Mud ?  The answer
is different in each case, and we still need to know the short length of time
AFTER it first encountered whatever surface brought it to rest.

I would kick this question back to the Physics teacher.  It's meaningless,
and the longer you try to work on it, the more nonsense you'll plant into
your head that'll need to be dug out later.
8 0
3 years ago
What is the first law of thermodynamics?​
jok3333 [9.3K]

Answer:

it states that energy can neither be created or destroyed

4 0
2 years ago
Read 2 more answers
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