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Anna [14]
3 years ago
5

Match the element with its description.

Physics
2 answers:
Nutka1998 [239]3 years ago
6 0

Answer:

1.c

2.b

3.d

4.a

Explanation:

There are your answers

zubka84 [21]3 years ago
4 0

Answer:

Sodium---Malleable, soft, and shiny

Silicon---Has properties of both metals and nonmetals

Bromine---Highly reactive gas

Argon---Nonreactive gas

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How is velocity different from speed?
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Velocity, unlike speed, includes a direction.

Velocity is a vector quantity which is defined by magnitude and direction.

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3 years ago
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Answer:

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2 years ago
An artificial satellite circles Earth in a circular orbit at a location where the acceleration due to gravity is 9.00 m/s2. Dete
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 <span>g = GMe/Re^2, where Re = Radius of earth (6360km), G = 6.67x10^-11 Nm^2/kg^2, and Me = Mass of earth. On the earth's surface, g = 9.81 m/s^2, so the radius of your orbit is:


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here, the speed of the satellite is:

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6 0
3 years ago
player kicks a soccer ball from ground level and sends it flying at an angle of 30 degrees at a speed of 26 m/s. What is the hor
seropon [69]

Answer

22.5 m/s

Explanation

We shall use the trigonometric ratio cosine to find the horizontal component.

cos = adjacent/hypotenuse

Adjacent is the horizontal and hypotenuse is the fly speed.

cos 30° = horizontal / 26

horizontal velocity = 26 × cos 30°

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