2 years ago

True or false the higher the amplitude of the wave, the greater its intensity and the greater its loudness

1 answer:

8 0

True,when you turn the volume up on your television , you're actually turning up the amplitude!

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Explain whether a particle moving in a straight line with constant speed does or does not have an acceleration. b) Explain wheth

Lelechka [254]

Answer:

A: No because it is nor changing speed or direction

B: Yes because it changes direction even though the speed is constant

Please Give Brainliest

5 0

2 years ago

Which picture represents 2NO2?

wariber [46]

2NO2 means that there is 2 oxygen atoms and one nitrogen with two sets of that. So its the third one

3 0

3 years ago

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A 8.4-mH inductor carries a current I = Imaxsin ωt, with Imax = 4.00 A and f = ω/2π = 60.0 Hz. What is the self-induced emf as a

Aleks04 [339]

Answer:

E= -3.166 cosωt V

Explanation:

Given that

I = Imax sinωt

L= 8.4 m H

Imax= 4 A

f = ω/2π = 60.0 Hz

ω = 120π rad/s

We know that self induce E given as

$E=-L\dfrac{dI}{dt}$

$\dfrac{dI}{dt}= Imax \ \omega\ cos\omega t$

$E=-L\times Imax \ \omega\ cos\omega t$

$E=-8.4\times 120\times \pi \ cos\omega t$

E= -3166.72 cosωt m V

E= -3.166 cosωt V

This is the induce emf.

3 0

2 years ago

calculate the resistance of 50m length of wire of cross sectional area 0.01 square mm and of resistivity 5*10 to the power minus

Pachacha [2.7K]

$Resistance R = resistivity * length / area

R = 5 10^{-8} * 50 m / 0.01 * 10^{-3} * 10^{-3}

R = 250 Ohms
$

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2 years ago

What is the density of a block with a mass of 36 g and a volume of 9 cm3?.

pshichka [43]

Density= how much mass is in a certain volume
Therefore, you do (mass/volume).
density of the block is
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or
4g/cm3
Meaning that there is 4 grams of mass in each cm3.

3 0

3 years ago

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