3 years ago

I)

Physics

1 answer:

Natalija [7]3 years ago

6 0

Answer:

I think its (A)The specific heat of an object explains how easily it changes temperatures.

Explanation:

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What would the dogs velocity be if ran the same distance in the opposite direction but covered the distance in 24 seconds

iVinArrow [24]

Answer:

I learned this last year but I don't remember. Sorry

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4 years ago

We have seen that an electric field must exist inside a conductor that carries a current. How is that possible in view of the fa

sleet_krkn [62]

Answer:

Explanation:

The potential difference between one side of the wire causes the electric field inside the wire (causes the electrons to flow). However, inside the wire, it is still neutral. The electrons are just moving, the wire is not gaining or losing electrons.

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3 years ago

8. Consider a capacitor that is made of two large conducting plates that are rectangular in shape (1 cm by 6 cm), aligned parall

Annette [7]

Answer: $7.96\ \mu C$

Explanation:

Given

The dimension of the plate is $1\ cm\times 6\ cm$

The gap between the plate is $0.001\ cm$

Voltage applied $V=15,000\ V$

The capacitance of the capacitor is

$C=\dfrac{\epsilon_o A}{d}\\\\C=\dfrac{8.85\times 10^{-12}\times 1\times 6\times 10^{-4}}{10^{-5}}\\\\C=53.1\times 10^{-11}\ F$

Charge acquired by the capacitor

$\Rightarrow Q=CV\\\Rightarrow Q=53.1\times 10^{-11}\times 15,000\\\Rightarrow Q=796.5\times 10^{-8}\\\Rightarrow Q=7.96\times 10^{-6}\ C$

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3 years ago

Why do you sometimes get shocked by static electricity? Explain how it happens and give an example.

laiz [17]

Answer:

That tiny shock you feel is a result of the quick movement of these electrons. You can think of a shock as a river of millions of electrons flying through the air. ... Static electricity happens more often during the colder seasons because the air is drier, and it's easier to build up electrons on the skin's surface.

Explanation:

Don't copy excatly but here it is.

5 0

3 years ago

A pendulum is swinging back and forth with a period of 2.0 seconds here on Earth. This pendulum is then brought to the Moon, whe

kompoz [17]

Answer:

A greater period.

Explanation:

The period of a simple pendulum is represented by the following formula:

$T = 2\pi\cdot \sqrt{\frac{l}{g} }$