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GarryVolchara [31]
3 years ago
14

The speed of sound depends on ______ ?

Physics
2 answers:
natima [27]3 years ago
7 0

Answer:

Yes D is correct

Fed [463]3 years ago
7 0

Answer:

d. The medium that the sound is traveling through

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Saturn has a radius of about 9.0 earth radii, and a mass 95 times the Earth’s mass. Estimate the gravitational field on the surf
olchik [2.2K]

Answer:The gravitational field on Saturn can be calculated by the following formula;

Explanation:

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Why does an astronaut in a spacecraft orbiting Earthexperience<br> a feeling of weightlessness?
slava [35]

Answer:

Astronaut in spacecraft while orbiting earth experience weightlessness because there is no gravity of earth or moon is acting on the body of an astronaut.                      

while on earth, we experience weight because the gravity of earth is acting on our body which is pulling us downward.

Both spacecraft and the astronauts both are in a free-fall condition.

4 0
3 years ago
What is the value of Vo in the
notsponge [240]

Answer: 60m/s

Explanation:

From the diagram:

Θ = 30°

Vertical resolution (y-axis) :

Voy = VoSinΘ

g in the upward direction = negative (-) = - g

Vfinal = 0

Distance (H) traveled along y =

Time taken to reach maximum height :

From v = u + at

0 = usinΘ - gt

gt = usinΘ

t = usinΘ / g

Horizontal resolution:

S = ut + 1/2at^2

Substituting t = usinΘ / g ; Voy = usinΘ

S = (usinΘ × usinΘ / g) - 1/2 g × (usinΘ /g)^2

S = (u^2sin^2Θ / g) - (u^2sin^2Θ / 2g)

S = (u^2sin^2Θ) / 2g

Now if S = maximum height = 45m

Then,

45 = [Vo^2sin^2(30°)] / 2(10)

45 =[ Vo^2 * (0.5)^2] / 20

45 =( Vo^2 * 0.25) / 20

20 * 45 = Vo^2 * 0.25

900 / 0.25 = Vo^2

3600 = Vo^2

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Vo = 60m/s

5 0
3 years ago
A parallel-plate capacitor, made of two circular plates of radius R - 10 cm, is connected in series 2 with a resistor of resista
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20

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In your lab group you combined salt and water. Then you compared what happens when an egg is placed in tap water versus salt wat
Anestetic [448]

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trust me i did it

7 0
3 years ago
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