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telo118 [61]
2 years ago
8

Express the distance between the moon and earth in meters with a meter prefix (km).

Physics
2 answers:
valkas [14]2 years ago
5 0

Answer:

0.384 Gm

Explanation:

The average distance between the moon and earth is  384,400 km

Why average distance? Well, the Moon is not always the same distance from Earth, its orbit is not a perfect circle.  

Expressing this distance in meters we have:

384000km*\frac{1000m}{1km}=0.384*10^9m

Since 1 gigameter (Gm) is 10^9 m:

0.384*10^9m=0.384 Gm

tankabanditka [31]2 years ago
3 0

Answer;

= 3.86 × 10^8 Meters

Explanation;

-The distance between the Earth and the moon is 386000 km

But; 1 km = 1000 m

Therefore; 386000 km will be equivalent to;

= 386000 × 1000

= 386000000 m

= 3.86 × 10^8 meters

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A parcel of land is in the shape of an isosceles triangle. The base has a length of 425 ft.; the other sides, which are of equal
kogti [31]

Answer:

The answer to your question is 636.6 ft    

Explanation:

Data

base = 425 ft

angle = 39°

See the picture below

1.- Divide the triangle to get two right triangles.

    Now the superior angle will measure 19.5° and the opposite side will measure 212.5 ft

2.- Use the trigonometric function sine to find the hypotenuse

     sin 19.5 = 212.5/hyp

solve for hyp

    hyp = 212.5 / sin 19.5

Result

    hyp = 212.5/ 0.333

    hyp = 636.6 ft    

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With a thunderstorm brewing, an electric field of magnitude 2.0 × 102 newtons/coulomb exists at a certain point in the earth’s a
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A child of mass m is standing at the edge of a carousel. Both the carousel and the child are initially stationary. The carousel
suter [353]

Answer:

the angular velocity of the carousel after the child has started running =

\frac{2F}{mR} \delta t

Explanation:

Given that

the mass of the child = m

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moment of inertia I = \frac{1}{2} mR^2

change in time = \delta \ t

By using the torque around the inertia ; we have:

T = I×∝

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R×F = I × ∝

R×F = \frac{1}{2} mR^2∝

F = \frac{1}{2} mR∝

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The first equation of motion of rotating wheel can be expressed as :

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