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Lera25 [3.4K]
3 years ago
8

Convection currents in air and water occur because _

Physics
1 answer:
Diano4ka-milaya [45]3 years ago
7 0

warm fluids are less dense than cold fluids

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How much bigger is the sun than the earth?
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Why a drop of spirit on the hand feels colder than a drop of water at the same temperature​
brilliants [131]

Answer:

This is because spirit has a lower boiling point when compared to water

Explanation:

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5 0
2 years ago
one horsepower is a unit of power equal to 746w. how much energy can a 150-horsepower engine transform in 10.0s?
Dafna1 [17]

1 watt = 1 joule/second

1 horsepower = 746 watts = 746 joule/second

   (150 horsepower) x (746 watt/HP) x (1 joule/sec  /  watt) x (10 sec)

=  (150 x 746 x 1 x 10)  joule  =  1,119,000 joules .   
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8 0
3 years ago
As mentioned in this week’s notes on page 4, the electrons of an atom can occupy different energy shells within the atom (simila
Nostrana [21]
The assume that goes with the inquiry demonstrates the wavelenghts of the photons transmitted by Balmer arrangement change , from vitality levels (n) 3, 4, 5, and 6 to the vitality level (n) 2, in  hydrogen particles.

These are the values shown in the figure

Transition           wavelength of the photon emitted
                                   nm


from n=3  to n=2              656<------ this is the value requested

from n=4 to n=2               486

from n=5 to n=2               434

from n=6 to n=2              410

The wavelength of a photon discharged from the n = 3 shell in hydrogen is the primary information of the table, i.e 656 nm.

Using the conversion factor from nm to m that results is :

656 nm * 1 m / (10^9 nm) = 656 * 10 ^ -9 m.
Hope this helps
7 0
3 years ago
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