All categories

3 years ago

What type of Earth scientist would be interested in understanding volcanic eruptions on

Physics

2 answers:

stiv31 [10]3 years ago

8 0

Marine geologist I think :)))

Vinvika [58]3 years ago

3 0

Answer:

Marine geologists learn about the rocks and geologic processes of the ocean basins.

You might be interested in

A uniform disk has a mass of 3.5 kg and a radius of 0.5 m. The disk is mounted on frictionless bearings and is used as a turntab

Alexandra [31]

Fhjijvcfgjkoydswrvbnkotdsefvmkydz

4 0

3 years ago

Which of the following can occur when an object is accelerating?

Vlada [557]

Answer:

Explanation:

Change in speed or direction is acceleration

4 0

4 years ago

Which of the following are not likely to form bonds?

Zanzabum

The answer is NEON Atoms

5 0

3 years ago

Read 2 more answers

How much work is done (by a battery, generator, or some other source of potential difference) in moving Avogadro's number of ele

luda_lava [24]

Answer:

W = 1.5 x 10⁶ J = 1.5 MJ

Explanation:

First, we calculate the potential difference between the given 2 points. So, we have:

V₁ = Electric Potential at Initial Position = 6.7 V

V₂ = Electric Potential at Final Position = - 8.9 V

Therefore,

ΔV = Potential Difference = V₂ - V₁ = -8.9 V - 6.7 V = - 15.6 V

Since, we use magnitude in calculation only. Therefore,

ΔV = 15.6 V

Now, we calculate total charge:

Total Charge = q = (No. of Electrons)(Charge on 1 Electron)

where,

No. of Electrons = Avagadro's No. = 6.022 x 10²³

Charge on 1 electron = 1.6 x 10⁻¹⁹ C

Therefore,

q = (6.022 x 10²³)(1.6 x 10⁻¹⁹ C)

q = 96352 C

Now, from the definition of potential difference, we know that it is equal to the worked done on a unit charge moving it between the two points of different potentials:

ΔV = W/q

W = (ΔV )(q)

where,

W = work done = ?

W = (15.6 V)(96352 C)

7 0

3 years ago

Helium gas contained in a piston cylinder assembly undergoes an isentropic polytropic process from the given initial state with

jeyben [28]

Answer:

Heat transfer during the process = 0

Work done during the process = - 371.87 KJ

Explanation:

Initial pressure $P_{1}$ = 0.02 bar

Initial temperature $T_{1}$ = 200 K

Final pressure $P_{2}$ = 0.14 bar

Gas constant for helium R = 2.077 $\frac{KJ}{kg k}$

This is an isentropic polytropic process so temperature - pressure relationship is given by the following formula,

$\frac{T_{2} }{T_{1} }$ = $[\frac{P_{2} }{P_{1} } ]^{\frac{\gamma - 1}{\gamma} }$

Put all the values in above formula we get,

⇒ $\frac{T_{2} }{200}$ = $[\frac{0.14 }{0.02 } ]^{\frac{1.4 - 1}{1.4} }$

⇒ $\frac{T_{2} }{200}$ = 1.74

⇒ $T_{2}$ = 348.72 K

This is the final temperature of helium.

For isentropic polytropic process heat transfer to the system is zero.

⇒ ΔQ = 0

Work done W = m × ( $T_{1}$ - $T_{2}$ ) × $\frac{R}{\gamma - 1}$

⇒ W = 1 × ( 200 - 348.72 ) × $\frac{2.077}{1.4 - 1}$

⇒ W = 371.87 KJ

This is the work done in this process. here negative sign shows that work is done on the gas in the compression of gas.

3 0

3 years ago