3 years ago

Loud sound waves have greater __________ and carry more energy than soft ones. *

Physics

1 answer:

ra1l [238]3 years ago

4 0

Loud sound waves have greater __________ and carry more energy than soft ones. *
>>amplitude

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Capacitor C1 is initially charged to V1 and capacitor C2 is initially charged to V2. The capacitors are then connected to each o

o-na [289]

Answer:

20.08 Volts

Explanation:

Parallel Connection of Capacitors

The voltage across any two elements connected in parallel is the same. If the elements are capacitors, then each voltage is

$\displaystyle V_1=\frac{Q_1}{C_1}$

$\displaystyle V_2=\frac{Q_2}{C_2}$

They are both the same after connecting them, thus

$\displaystyle \frac{Q_2}{C_2}=\frac{Q_1}{C_1}$

Or, equivalently

$\displaystyle Q_2=\frac{C_2Q_1}{C_1}$

The total charge of both capacitors is

$\displaystyle Q_t=Q_1\left(1+\frac{C_2}{C_1}\right)$

We can compute the total charge by using the initial conditions where both capacitors were disconnected:

$Q_t=V_{10}C_1+V_{20}C_2=25\cdot 24+13\cdot 11=743\ \mu C$

Now we compute Q1 from the equation above

$\displaystyle Q_1=\frac{Q_t}{\left(1+\frac{C_2}{C_1}\right)}=\frac{743}{\left(1+\frac{13}{24}\right)}=481.95\ \mu C$

The final voltage of any of the capacitors is

$\displaystyle V_1=V_2=\frac{481.95}{24}=20.08\ V$

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3 years ago

Because scientists cannot actually precisely measure a process like soil erosion over the entire planet, they must _____.

Pani-rosa [81]

Your answer is C. I hope this helps you.

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What country is table tennis from

Alex73 [517]

The sport originated in Victorian England, where it was played among the upper-class as an after-dinner parlour game.

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In the sentence "The speed of an object can vary," what does the word vary mean?

xenn [34]

Vary means very many

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3 years ago

Particles of hot soup rise slowly in a pot simmering on a stove. As the hot soup nears the surface, it begins to cool. The coole

rjkz [21]

Answer:

The constant movement of the soup in the pot is an example of convection.

Explanation:

Convection is the movement of hot and less-hot particles in a gas or liquid, transmitting heat with that motion. Therefore, the movement of soup that heats up the surface is an example of convection.

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4 years ago