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3 years ago

5

Time time it takes two successive crests of an ocean wave to pass a given point is called

1 answer:

-Dominant- [34]3 years ago

6 0

The question is asking for "time".

Even if you didn't know anything about waves, you could look down this list and see that 'peak', 'amplitude', and 'frequency' are not times, so none of those can be the answer to the question. It must be <em>"period"</em>.

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A 1.5m wire carries a 7 A current when a potential difference of 63 V is applied. What is the resistance of the wire? ohms

zheka24 [161]

To find the resistance, the formula you need to use is
$r = \frac{v}{i}$
whereby i reprsents the current and v represents the potential difference.
therefore,
r=63/7
r=9 ohms

3 0

3 years ago

Which is an example of radiation?

Y_Kistochka [10]

A common example of radiation would have to be sunlight

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3 years ago

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An increase in temperature causes a decrease in the amount of gas able to dissolve in a liquid solvent. Why does this occur?

NNADVOKAT [17]

Answer:

ОВ. increased kinetic energy

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3 years ago

A total charge of 6.3×10?8 C is distributed uniformly throughout a 2.7-cm radius sphere. The volume charge density is:

AlladinOne [14]

Answer:

$7.6\cdot 10^{-4} C/m^3$

Explanation:

The volume charge density is given by:

$\rho = \frac{q}{V}$

where

q is the charge

V is the volume of the sphere

In this problem, we have:

$q=6.3\cdot 10^{-8} C$ is the charge

$r=2.7 cm=0.027 m$ is the radius of the sphere, so its volume is

$V=\frac{4}{3}\pi r^3 = \frac{4}{3}\pi (0.027 m)^3=8.24\cdot 10^{-5} m^3$

So, the volume charge density is

$\rho = \frac{6.3\cdot 10^{-8} C}{8.24\cdot 10^{-5} m^3}=7.6\cdot 10^{-4} C/m^3$

8 0

3 years ago

Help me out please. It’d be greatly appreciated

OLga [1]

Answer:

D 8 y u having I uh no g hi u hit hi uh

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3 years ago