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3 years ago

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Describe the factors that form deep currents

1 answer:

USPshnik [31]3 years ago

7 0

Stream-like movements of ocean water located far below the surface are called deep currents. Deep currents are not controlled by wind. B. Deep currents form in parts of the ocean where water density increases. The density of the ocean is affected by temperature and salinity.

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If you increase the frequency of a sound wave four times, what will happen to its speed?

ozzi

The speed will increase four (4) times when the frequency of sound wave is increased four (4) times.

<h3>How to calculate the frequency of a wave.</h3>

Mathematically, the frequency of a sound wave is given by this formula:

$F = \frac{V}{\lambda}$

<u>Where:</u>

F is the frequency of a sound wave.

V is the velocity of a sound wave.

$\lambda$ is the wavelength of a sound wave.

<u>Note:</u> The frequency of the sound wave is increased four (4) times.

F = 4F

Substituting the given parameters into the formula, we have;

$4F = \frac{V}{\lambda}\\\\V=4F\lambda$

Therefore, the speed will increase four (4) times when the frequency of sound wave is increased four (4) times.

Read more on sound wave here: brainly.com/question/19250621

4 0

3 years ago

Two gliders collide on an air track moving in from opposite directions, and they bounce back. The masses of the gliders are 0.20

timurjin [86]

Answer:

so initial momentum is 0.22kgm/s

Explanation:

m1=0.20kg

m2=0.30kg

initial velocity of m1=u1=0.50m/s

initial velocity of m2=u2=0.40m/s

total momentum of the system before collision

Pi=m1u1+m2u2

Pi=0.20kg×0.50m/s+0.30kg×0.40m/s

Pi=0.1kgm/s+0.12kgm/s

Pi=0.22kgm/s

3 0

4 years ago

Lift a notebook a few inches off a table or other surface. As it moves up, it has kinetic energy. Which force opposed the motion

Greeley [361]

If im correct the answer is gravity
and wind resistance if you lift it fast

~~~hope this helps~~~
~~davatar~~

3 0

3 years ago

Read 2 more answers

A mobile phone is 35% efficient. Over half an hour 11 kJ of energy is transferred to the phone.

kramer

<h3><u>A</u><u>n</u><u>s</u><u>w</u><u>e</u><u>r</u><u>:</u><u>-</u></h3>

Energy Transferre=11KJ
Efficiency=35%

<h3>☆Usefully transferred energy:-</h3>

$\\ \sf\longmapsto 35\%\:of 11$

$\\ \sf\longmapsto 35\%\times 11$

$\\ \sf\longmapsto \dfrac{35}{100}\times 11$

$\\ \sf\longmapsto \dfrac{385}{100}$

$\\ \sf\longmapsto 3.85KJ$

$\\ \sf\longmapsto 3850J$

6 0

3 years ago

How many hours are in a month of 30 days?

madam [21]

720 hours in a month of 30 days

7 0

4 years ago