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4 years ago

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Select the volume units that are greater than one liter. a.kiloliter b.milliliter c.megaliter d.centiliter e.deciliter f.nanolit

er

1 answer:

Naya [18.7K]4 years ago

7 0

I think it would be

C. megaliter

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A listener is sitting somewhere on the line between two loudspeakers that are 10 m apart. The speakers are each emitting a sine

prohojiy [21]

Answer:

57.17 Hz 114.34 Hz 285 Hz

Explanation:

The distance between the men and 1 speaker = 3.5 m

Distance between the men and second speaker = 10-3.5= 6.5 m

Here at this point there will be no sound so there will be destructive interference

Path difference $\Delta x=6.5-3.5=3$

We know that for destructive interference $\Delta x=(2m+1)\frac{\lambda }{2}=(2m+1)\frac{v}{2f}$

$3=(2m+1)\frac{v}{2f}$

$f=(2m+1)\frac{v}{6}$ here v is the speed of sound in air

So for m =0

$f=(2\times 0+1)\frac{343}{6}=57.17H$

for m =1

$f=(2\times 1+1)\frac{343}{6}=114.34Hz$

for m=2

$f=(2\times 2+1)\frac{343}{6}=285Hz$

6 0

3 years ago

BRAINLIEST WILL BE MARKED FOR THE FIRST ANSWER

Andreyy89

Answer:

98.4 N

Explanation:

Given that the body weighs 800 N on earth.

Thus,

Weight = mass x acceleration due gravity

i.e W = mg

800 = m x 10

m = $\frac{800}{10}$

= 80 kg

The mass of the body is 80 kg.

To be able to determine its weight on the planet, we have to first calculate the gravitational pull of the planet.

But,

g = $\frac{GM}{r^{2} }$

Where: G is the Newton's universal gravitation, M is the mass of the planet and r is the radius of the planet.

g = $\frac{6.674*10^{-11} *2.986*10^{24} }{(12.742*10^{6})^{2} }$

= $\frac{1.9929*10^{14} }{1.6236*10^{14} }$

= 1.2275

g = 1.23 m/ $s^{2}$

Thus,

Weight of the body on the planet = mg

= 80 x 1.23

= 98.4 N

The weight of the body on the planet is 98.4 N

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3 years ago

Objects that have value in themselves and that are also used as money is the definition for _____.

Yuki888 [10]

Objects that have value in themselves and that are also used as money is the definition for commodity money. Hope this helped :)

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4 years ago

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Specify whether the boiling point, as determined in the miniscale boiling-point apparatus, is the temperature a.of the liquid at

Alecsey [184]

Answer:

a. of liquid at the time bubbles first emerge slowly from the liquid.

Explanation:

Boiling point of liquid happens due to heat energy. This is an exothermic reaction as heat is released in to the environment. The initial boiling vapors slowly move away from the liquid and as the temperature increases the vapors start moving quickly.

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3 years ago

Which statement describes the force between charged particles

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The force (attractive if the charges are dissimilar, else repulsive) is along a line that connects the two particles.

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4 years ago