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3 years ago

What happened to the sedimentary rock layers that first formed over the ancient rock

Physics

1 answer:

aksik [14]3 years ago

3 0

They got turned over and now are on top

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What is the frequency of a wave if 3 crests pass in 6 seconds?

AlexFokin [52]

A. 0.5 hz because frequency os the amount of waves that pass per one second.

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3 years ago

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When a 360 nF air capacitor is connected to a power supply, the energy stored in the capacitor is 1.85 x 10-5 J. While the capac

GaryK [48]

Answer:

(a) Approximately $10.1\; {\rm V}$ .

Explanation:

Let $C$ denote the capacitance of a capacitor. Let $V$ be the potential difference (voltage) between the two plates of this capacitor. The energy $E$ stored in this capacitor would be:

$\displaystyle E = \frac{1}{2}\, C\, (V^{2})$ .

Rearrange this equation to find an expression for the potential difference $V$ in terms of capacitance $C$ and energy $E$ :

$\begin{aligned}V^{2} &= \frac{2\, E}{C} \end{aligned}$ .

$\begin{aligned}V &= \sqrt{\frac{2\, E}{C}} \end{aligned}$

The capacitance $C$ of this capacitor is given in nanofarads. Convert that unit to standard unit (farads):

$\begin{aligned}C &= 360\; {\rm nF} \\ &= 360\; {\rm nF} \times \frac{1\; {\rm F}}{10^{9}\; {\rm nF}} \\ &= 3.60 \times 10^{-7}\; {\rm F}\end{aligned}$ .

Given that the energy stored in this capacitor is $E = 1.85 \times 10^{-5}\; {\rm J}$ , the potential difference across the capacitor plates would be:

$\begin{aligned}V &= \sqrt{\frac{2 \times 1.85 \times 10^{-5}\; {\rm J}}{3.60 \times 10^{-7}\; {\rm F}}} \\ &\approx 10.1\; {\rm V}\end{aligned}$ .

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2 years ago

Which of the following statements about the Coriolis effect is correct?

labwork [276]

Answer:

Option D

The Coriolis effect works at right angles to the direction of airflow

Explanation:

At the equator, Coriolis effect is negligible, basically zero while it's strongest at the poles (to imply statement B is wrong). Moreover, Coriolis effect is affected by the speed of wind and it also affects the speed of wind since when the wind speed decreases, due to friction for example, the Coriolis effect is also reduces.

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3 years ago

I need help please pleaseeeee

Butoxors [25]

The first one? If not I just guessed

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2 years ago

When calculating the net electrostatic force, a negative value indicates that the two charged objects involved __________.

DiKsa [7]

Answer:

Explanation:

The correct answer is B) have unlike charges. Since they are attracted to each other they have to be unlike

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3 years ago