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3 years ago

The features of Mercury are named in honor of famous people in which fields of endeavor?

Physics

1 answer:

frozen [14]3 years ago

4 0

Answer:

Writing, Poetry, Philosophy, Painter, Lutheran pastor, Screenwriting, Music, Photography

Explanation:

The International Astronomical Union (IAU) approved the naming of 9 craters to honor artists of various fields. They are:

Alver: Betty Alver was an Estonian writer.

Donelaitis: Kristijonas Donelaitis was a Lutheran pastor

Flaiano: Ennio Flaiano was an Italian screenwriter, playwright, novelist, journalist, and drama critic.

Hurley: James Francis “Frank” Hurley was an Australian photographer and adventurer.

L’Engle: Madeleine L’Engle was an American writer

Lovecraft: Howard Phillips Lovecraft was an American author.

Petofi: Sándor Petőfi was a Hungarian poet.

Pahinui: Charles Phillip Kahahawai “Gabby” Pahinui was a Hawaiian guitar player.

Roerich: Nicholas Roerich was a Russian painter and philosopher.

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The lowest possible temperature in outer space is 3.13 K. What is the rms speed of hydrogen molecules at this temperature? (The

Umnica [9.8K]

Answer:

$v_{rms} =196.59 m/s$

Given:

Temperature, T = 3.13 K

molar mass of molecular hydrogen, m = 2.02 g/mol = $2.02\times 10^{-3}kg/mol$

Solution:

To calculate the root mean squarer or rms speed of hydrogen molecule, we use the given formula:

$v_{rms} = \sqrt{\frac{3TR}{m}}$

where

R = rydberg's constant = 8.314 J/mol-K

Putting the values in the above formula:

$v_{rms} = \sqrt{\frac{3\times 3.13\times 8.314}{2.02\times 10^{-3}}}$

$v_{rms} =196.59 m/s$

5 0

3 years ago

Need answer fast plz

vazorg [7]

Answer:

a = 1.20m\ $s^{2}$

Explanation:

225 x 9.8

= 441N

710 - 441

= 269N

$\frac{269}{225}$ = 1.19

a = 1.20

8 0

2 years ago

Please need help with this

Stella [2.4K]

Answer:

D. The objects particles move faster

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3 years ago

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A car with a mass of 2000 kg is moving around a circular curve at a uniform velocity of 25 m/s per second. The curve has a radiu

IrinaK [193]

The centripetal force is:
F = mv² / R
Where:
m: mass of the object
v: object speed
R: radius of the curve.
We have to:
m = 2000kg
v = 25 m / s
R = 80 meters.
Then the centripetal force acting on the vehicle is:
F = (2000kg * (25m / s) ²) / 80m
F = 15625 N

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3 years ago

An object is floating in equilibrium on the surface of a liquid. The object is then removed and placed in another container, fil

Anestetic [448]

Answer:

The fraction of its volume inside liquid is increased .

Explanation:

According to principle pf floatation , an object floats on the surface of water

when the weight of liquid displaced by it becomes equal to weight of the object . weight of the liquid depends upon the density of the liquid .

In the second case , when the body is dipped into liquid of lesser density , in order to balance the weight of body , more volume of liquid will be displaced so that weight of displaced liquid becomes equal to object's weight . So the body floats with greater depth inside liquid . The fraction of its volume inside liquid is increased .

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3 years ago