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3 years ago

6

Which process is occurring when rocks under Earth's surface become hot liquid magma?

1 answer:

zepelin [54]3 years ago

8 0

Answer:

Explanation:

Cuando se encuentra en el interior de la tierra es nombrado concretamente magma y lava cuando es expulsada a la superficie. ... comienza a fundirse y el final de fusión (punto líquido) la roca esta parcialmente fundida. ... por su color oscuro, son más calientes que los magmas ácidos o félsicos (claros)

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If an object is travelling 25.0 meters/second, how far will it travel in 45 minutes?

Misha Larkins [42]

Speed=25m/s
Time=45min=(45×60)s=2700s

$\\ \rm\longmapsto Distance=Speed(Time)$

$\\ \rm\longmapsto Distance=25(2700)$

$\\ \rm\longmapsto Distance=67500m$

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2 years ago

What is the particle that is labeled with a question mark (?) in the diagram?

Nat2105 [25]

Answer is: quark.

Quark is a type of elementary particle and a fundamental constituent of matter.

Quarks form composite hadrons (protons and neutrons). Protons and neutrons are in the nucleus of an atom.

Hadrons include baryons (protons and neutrons) and mesons.

There are six types of quarks: up, down, strange, charm, bottom, and top.

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3 years ago

Read 2 more answers

4. An 82 kg hiker climbs Mt. Humphrey near Flagstaff. During a two hour period, the hiker's

bazaltina [42]

Answer:

$\Delta E = 434253.96\,J$ , $\Delta P = 60.313\,W$

Explanation:

The change in energy is given by the change in gravitational potential energy:

$\Delta E = m\cdot g \cdot \Delta h$

$\Delta E = (82\,kg)\cdot (9.807\,\frac{m}{s^{2}} )\cdot (540\,m)$

$\Delta E = 434253.96\,J$

The average rate of change in terms of time is approximately this:

$\Delta P = \frac{\Delta E}{\Delta t}$

$\Delta P = \frac{434253.96\,J}{(2\,h)\cdot (\frac{3600\,s}{1\,h} )}$

$\Delta P = 60.313\,W$

8 0

3 years ago

The isotope of carbon used in archaeological dating is 14^6C . How many protons, neutrons, and electrons does an atom of 14^6C h

vampirchik [111]

Answer:

6

8

6

Explanation:

Isotope given:

¹⁴₆C

In specie written as this;

Superscript = Mass number

Subscript = Atomic number

To find the protons, it is the same as the atomic number;

Protons = Atomic number = 6

Neutrons have no charges;

Neutrons = Mass number - Atomic number =

Neutrons = 14 - 6 = 8

The number of electrons is the same as the atomic number = 6

8 0

3 years ago

Boyle's law states that the pressure of a gas is always:

natka813 [3]

Answer:

d. inversely proportional to the volume of its container.

Explanation:

Boyle's law states that at constant temperature and number of moles, the pressure of the gas is inversely proportional to the volume of the gas.

Thus, P ∝ T

P is the pressure

T is the temperature

For two gases at same temperature, the law can be written as:-

${P_1}\times {V_1}={P_2}\times {V_2}$

<u>Thus, according to the question, the answer is:- d. inversely proportional to the volume of its container.</u>

7 0

3 years ago