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Verizon [17]
3 years ago
15

Change the speed 0.200 cm/s to units kilometers per year

Physics
1 answer:
klasskru [66]3 years ago
5 0
The Speed In Kilometers per year is 63.072.
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Why is there a difference between potential and kinetic energy?
inn [45]

Potential energy is stored energy because it has the potential to do something which laters turns into kinetic energy which is the moving energy.

3 0
2 years ago
What does the slope of the curve on a distance vs time graph represent?
Lilit [14]

Slope of a curve Y plotted against X is mathematically given as

slope = \frac{dy}{dx}

now here we can see that if similarly graph is plotted against distance and time then slope is given as

slope = \frac{dx}{dt}

here we can say that above is ratio of small distance and very small interval of time.

so here we can say that this ratio of distance and time for very small interval of time is known as instantaneous speed of the object which is falling freely under gravity.

So here slope of the graph will represent the speed at a given instant.

6 0
3 years ago
In order to protect underground pipelines and storage tanks made of iron, the iron is made the cathode of a voltaic cell through
emmasim [6.3K]

The answer would be that the process to protect the underground pipelines and storage tanks is cathodic protection.

3 0
3 years ago
A neutral copper block is polarized as shown in the figure below, due to an electric field made by external charges (notshown).
Fudgin [204]

Answer:

As point B is located inside the copper block so net electric field at point B is j.

Explanation:

Consider the figure attached below. The net electric field at location B,that is inside the copper block is zero because when a conductor is charged or placed in an electric field of  external charges, net charge lies on the surface of conductor and there is no electric field inside the conductor. As point B is located inside the copper block so net electric field at point B is zero as well direction of net electric field at point B is zero.

6 0
2 years ago
Use Eq. cosϕ=R/Z to show that the average power delivered by the source in an L−R−C series circuit is given by Pav = I^2rmsR .
Evgen [1.6K]

Answer:

Explanation:

In a L C R circuit, the average power is given by

P_{av}=V_{rms}I_{rms}Cos\phi

As given in the question

CosФ = R / Z

And we know that

V_{rms}=I_{rms}\times Z

So

P_{av}=I_{rms}\times Z\times I_{rms}\times \frac{R}{Z}

P_{av}=I_{rms}^{2}\times R

6 0
3 years ago
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