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lana [24]
3 years ago
7

NEED HELP!!!!!!!!!!!!!

Physics
1 answer:
raketka [301]3 years ago
7 0

it would be 'B' because it speeds up reactions

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The electrical and magnetic components of an EM wave are _________________.
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Parrallel to each other
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A sample of an unknown liquid has a volume of 12.0 mL and a mass of 6 g. What is its density? Show your work or explain how you
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The answer is 6.12 L
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The strong nuclear force is ___
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The answer is A) More than 100 times greater than the electrical force
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Two very long uniform lines of charge are parallel and are separated by 0.300 m. each line of charge has charge per unit length
Alenkasestr [34]

linear charge density of system of two line charges is given as

\lambda = 5.20 \muC/m

now as we know that electric field due to a line charge at some distance from it is given by

E = \frac{\lambda}{2\pi \epsilon_0 r}

so here we will first find the electric field of first line charge at the position of other line charge

E = \frac{5.20 * 10^{-6}}{2 \pi * 8.85 * 10^{-12}* 0.300}

E = 312000 N/C

now as we know that

F = qE

here q = charge on the line charge system at which force is required

E = electric field on that system of charge where force is required

now we can find the charge by

q = \lambda * L

q = 5.20 * 10^{-6}* 0.05 = 0.26 * 10^{-6} C

Now using the above formula

F = qE

F = 0.26 * 10^{-6} * 312000

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so force on the part of wire is F = 0.0811 N

8 0
3 years ago
A 18000 Hz wave has wavelength of 0.03 meters. How fast is this wave<br> traveling?
Alex Ar [27]

Answer:

540m/s

Explanation:

Given parameters:

Frequency of the wave = 18000Hz

Wavelength of the wave = 0.03m

Unknown:

How fast is the wave traveling = ?

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Now insert the given parameters and solve;

   Speed of wave  = 18000 x   0.03  = 540m/s

4 0
3 years ago
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