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Nataly_w [17]
3 years ago
15

Money is useful to people because it is __________.Select one of the options below as your answer:

Physics
2 answers:
hram777 [196]3 years ago
4 0
A. A medium of exchange .... Hope am right !!!
igomit [66]3 years ago
3 0
The answer is A because money is a form of barter in a sense.
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1. Explain what it means when we say a substance is magnetic. (HINT: Be sure to mention the role of the Electrons)
timurjin [86]
The electrons are in the electron cloud the different field will either wanna connect or not 
8 0
3 years ago
Much of the information taught in Earth-Space Science would not be available if it weren’t for our remote sensing abilities. Exp
boyakko [2]

Answer:

  1. collecting information
  2. imaging

Explanation:

Remote sensing means we do not have to be physically present in that particular area that we're studying by taking certain measurements. Several tools have been developed overtime to enable us to make this feat possible. Satellites in orbit have a major role to play in this regard. They exist to gather information from outer space and captures images that help us know more about our universe.

Hope that answers the question, have a great day!

8 0
3 years ago
A flat sheet of paper of area 0.250 m2 is oriented so that the normal to the sheet is at an angle of 60 to a uniform electric fi
Harman [31]

Answer:

a. 1.75 Nm²/C

b. Yes.

Explanation:

a. Electric Flux is given as:

Φ = E*A*cosθ

Where E = electric flux

A = Surface area

Φ = 14 * 0.25 * cos60

Φ = 1.75 Nm²/C

b. Yes, the shape of the sheet will affect the Flux through it. This is because flux is dependent on area of the surface and the area is dependent on the shape of the surface.

4 0
4 years ago
Matter is made up of tiny particles which can be atoms,molecules, or electrically charged particles called?.
yuradex [85]

Answer: alpha particle. i think

Explanation:

6 0
3 years ago
A crate falls from an airplane flying horizontally at an altitude of 2,000 m.
Hatshy [7]

Answer:

20.2 seconds

Explanation:

The airplane (and therefore the crate) initially has no vertical velocity, so v₀ = 0 m/s.

The crate is in free fall, so a = -9.8 m/s².

The crate falls downward, so Δx = -2000 m.

Find: t, the time it takes for the crate to land.

Δx = v₀ t + ½ at²

-2000 m = (0 m/s) t + ½ (-9.8 m/s²) t²

t = 20.2 s

It takes 20.2 seconds for the crate to land.

7 0
4 years ago
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