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3 years ago

Why are men typically less stable on their feet than women

2 answers:

8 0

Women generally have a lower centre of gravity than men, contributing to greater stability. Men generally have more muscle mass in their upper bodies,

kap26 [50]3 years ago

5 0

Explanation:

Men are typically less stable on their feet than women.

The center of gravity is lower in woman in compare to men. It contributes to greater stability to women.

Men are less stable on their feet due to more muscles in the upper part of their body which raises their center of gravity.

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Calculate the kinetic energy of an 80,000 kg airplane that is flying with a velocity of 167 m/s.

liq [111]

Answer:

1115560000 J

Explanation:

1/2 * 80,000 * 167^2 m/s = 1115560000 J

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3 years ago

An airplane is flying through a thundercloud at a height of 2000 m (This is a very dangerous thing to do because of updrafts, tu

Doss [256]

Answer:

$400000\ \text{N/C}$

Explanation:

$q_1$ = Charge at 3000 m = 40 C

$q_2$ = Charge at 1000 m = -40 C

$r_1$ = 3000 m

$r_2$ = 1000 m

k = Coulomb constant = $9\times10^9\ \text{Nm}^2/\text{C}^2$

Electric field due to the charge at 3000 m

$E_1=\dfrac{k|q_1|}{r_1^2}\\\Rightarrow E_1=\dfrac{9\times 10^9\times 40}{3000^2}\\\Rightarrow E_1=40000\ \text{N/C}$

Electric field due to the charge at 1000 m

$E_2=\dfrac{k|q_2|}{r_2^2}\\\Rightarrow E_2=\dfrac{9\times 10^9\times 40}{1000^2}\\\Rightarrow E_2=360000\ \text{N/C}$

Electric field at the aircraft is $E_1+E_2=40000+360000=400000\ \text{N/C}$ .

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3 years ago

Phosphorus bursts into flame when exposed to oxygen. What element might be used when storing pure phosphorus to keep it from rea

bekas [8.4K]

<h3><u>Answer;</u></h3>

Argon

<h3><u>Explanation;</u></h3>

Phosphorus is an element found in group 15 of the periodic table, it is one of the element that belongs to nitrogen family.
The element phosphorus exhibits allotrophy, namely; white phosphorus, red phosphorus and black phosphorus.
<u>Phosphorus, particularly the white phosphorus combines with oxygen so easily that it catches fire automatically. Thus, as a safety precaution, white phosphorus is stored under water in laboratories. </u>
<u>It may be also stored in argon, since argon is an inert element which belongs to the noble gases group.</u>

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Korvikt [17]

Answer:

50m/s

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v = f*w

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GREYUIT [131]

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