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3 years ago

Name the effects that microgravity has on the body.

2 answers:

7 0

Risks of kidney stones and bone fractures, microgravity may alter the ability of bones to heal after fractures. Long stays in space impact muscles.

LuckyWell [14K]3 years ago

3 0

Bone structure loss is not common do to lack of gravity

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A DC-9 aircraft leaves an airport from a runway whose bearing is N4343degrees°E. After flying for one half 1 2 mile, the pilot

bearhunter [10]

Answer:

103.4° or S76.6°E

Explanation:

The direction N43°E is perpendicular to the direction south-east when the plane turn 90° and heads in the south-east direction.

Since the distance 1/2 mile N43°E is perpendicular to the distance 1 mile south-east, we have a right angled triangle.

So, the angle θ between the aircraft's new position and old position is gotten from tanθ = 1 ÷ 1/2 = 2

θ = tan⁻¹(2) = 63.43°

So, the total angle from North to its new position is 40° + 63.43° = 103.43°

Since we need the south-east bearing, the angle from south is 180° - 103.43° = 76.57° ≅ 76.6°

So, our bearing is 103.4° or S76.6°E

3 0

4 years ago

If I was to build a functioning Scale Model of a dam, what would I need?

anyanavicka [17]

You will need rocks brick and water.

8 0

4 years ago

A very long uniform line of charge has charge per unit length 4.54 μC/m and lies along the x-axis. A second long uniform line of

kozerog [31]

Answer:

The magnitude of the net electric field is $6.57\times10^{5}\ N/C$

Explanation:

Given that,

Charge density $\lambda = 4.54\ \mu C/m$

Charge density $\lambda' = -2.58\ \mu C/m$

Distance $y_{1}= 0.384\ m$

Distance $y_{2}= 0.204\ m$

We need to calculate the magnitude of the net electric field

Using formula of electric field

$E=E_{1}+E_{2}$

$E=\dfrac{1}{2\pi\epsilon_{0}}(\dfrac{\lambda}{r}+\dfrac{\lambda'}{r'})$

Put the value into the formula

$E=\dfrac{1}{2\pi\times8.85\times10^{-12}}(\dfrac{4.54\times10^{-6}}{0.204}+\dfrac{2.58\times10^{-6}}{0.384-0.204})$

$E=6.57\times10^{5}\ N/C$

Hence, The magnitude of the net electric field is $6.57\times10^{5}\ N/C$

8 0

4 years ago

Which objects have the most similar eccentricities?

mafiozo [28]

It depends on the shape of ellipse of that object, if their shapes are quite similar then there eccentricities would be similar.

Real life example. - Neptune, Venus, and Earth are the planets in our solar system with the least eccentric orbits (They all have approx. orbits with same eccentricities)

Hope this helps!

4 0

4 years ago

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Because sound is a wave, it's possible to make a diffraction grating for sound from a large board of sound-absorbing material wi

Anon25 [30]

Answer:

Lol

Explanation:

5 0

4 years ago

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