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Anna [14]
3 years ago
10

An astronaut has a mass of 70 kg when measured on earth. what is her weight in deep space far from any celestial object

Geography
1 answer:
guajiro [1.7K]3 years ago
4 0
When a person is in space away from any celestial object, there is no gravitational force acting upon it. Thus, its weight is equal to its mass. Since, weight is equal to mass times gravitational force on earth, the mass would be 70/9.81 = 7.14 kg.
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The English language started with numerous letters but we mostly started with symbols that meant something, after a while people used pictures to say words until the human race learned English
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Halo stars observed in the galactic disk are easily detected because they _____.
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3 years ago
En que país frío se pueden sembrar vegetales??
vampirchik [111]

Answer:

In which cold country can vegetables be planted

Explanation:

In Spanish Translation

8 0
3 years ago
Find the coordinates of the midpoint of HX
marta [7]

Answer:

M(29, -12)

Explanation:

Given:

H(4\frac{1}{2}, -3\frac{1}{4}), X(2\frac{3}{4}, -2\frac{3}{4})

Required:

Coordinates of the Midpoint of HX

Solution:

Midpoint (M) of HX, for H(4\frac{1}{2}, -3\frac{1}{4}), X(2\frac{3}{4}, -2\frac{3}{4}) is given as

M(\frac{x_1 + x_2}{2}, \frac{y_1 + y_2}{2}).

Let H(4\frac{1}{2}, -3\frac{1}{4}) = (x_1, y_1)

X(2\frac{3}{4}, -2\frac{3}{4}) = (x_2, y_2)

Thus:

M(\frac{4\frac{1}{2} + 2\frac{3}{4}}{2}, \frac{-3\frac{1}{4} + (-2\frac{3}{4})}{2})

Convert to improper fractions

M(\frac{\frac{9}{2} + \frac{11}{4}}{2}, \frac{-\frac{13}{4} + (-\frac{11}{4})}{2})

M(\frac{\frac{18 + 11}{2}}{2}, \frac{\frac{-13 - 11}{4}}{2})

M(\frac{\frac{29}{2}}{2}, \frac{\frac{-24}{4}}{2})

M(\frac{29}{2}*2, \frac{-24}{4}*2

M(29, -12)

3 0
3 years ago
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maria [59]

Answer:

C.

Explanation:

Indus river valley and Ganges river valley were two important valleys that helped civilization to flourish. The two cities that flourished on Indus river valley were Harappa and Mohenjo-Daro.  The Ganges valley paved the way for the Aryans to flourish.

The statement which is not correct concerning the Indus and Ganges rivers is that these river systems reduced trade. Instead, the people in Indus and Ganges river valley were dependent on trade. The Indus river valley traded with various civilizations such as Persia, Mesopotamia and China. Whereas, the Ganges river systems were vital for river-based trade.

Therefore, option C is correct.

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3 years ago
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