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tatuchka [14]
4 years ago
13

An experiment measures the growth of crystals in a liquid solution abroad the space shuttle a collection of bottles has the liqu

id in varying strength or concentration of this tested substance what she would be a control observation in this experiment
Physics
1 answer:
Svetradugi [14.3K]4 years ago
8 0

Answer:

Explanation:

Protein crystals growth where first performed on space lab.

Experiment show that the liquid to liquid space grown system are larger than crystals obtained by same experiment on earth.

Crystallization in the microgravity experiment in space can be controlled and it will improve crystal quality by eliminating convection effects near growing crystal surfaces.

Diffraction in the microgravity experiment in space can also be controlled and it will also improve the quality attributed to better ordered crystal growth in microgravity.

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The electric field strength E is measured as:
soldi70 [24.7K]
The correct answer is
<span>force per unit charge.

In fact, the electric field strength is defined as the electric force per unit charge experienced by a positive test charge located in the electric field. In formula:
</span>E= \frac{F}{q}
where
E is the electric field strength
F is the electric force experienced by the charge
q is the positive test charge.
4 0
3 years ago
Am example of a mechanical wave is?
Bogdan [553]
An example of a mechanical wave is a sound wave
3 0
4 years ago
A student, along with her backpack on the floor next to her, are in an elevator that is accelerating upward with acceleration a.
Anna007 [38]

Answer:

\mu_k = \frac{2(vt - L)}{(g + a) t^2}

Explanation:

As we know that backpack is kicked on the rough floor with speed "v"

So here as per force equation in vertical direction we know that

N - mg = ma

so normal force on the block is given as

N = mg + ma

now the magnitude of kinetic friction on the block is given as

F_f = \mu N

F_f = \mu (mg + ma)

now when bag is sliding on the floor then net deceleration of the block due to friction is given as

a = - \frac{F_f}{m}

a = -\mu_k(g + a)

now we know that bag hits the opposite wall at L distance away in time t

so we have

d = v t + \frac{1}{2}at^2

L = vt - \frac{1}{2}(\mu_k)(g + a) t^2

\mu_k = \frac{2(vt - L)}{(g + a) t^2}

8 0
3 years ago
A body travels the first half of the total distance with velocity v and second half with v2 calculate avg velocity
LuckyWell [14K]

Answer:

v = 2 v₁ v₂ / (v₁ + v₂)

Explanation:

The body travels the first half of the distance with velocity v₁.  The time it takes is:

t₁ = (d/2) / v₁

t₁ = d / (2v₁)

Similarly, the body travels the second half with velocity v₂, so the time is:

t₂ = (d/2) / v₂

t₂ = d / (2v₂)

The average velocity is the total displacement over total time:

v = d / t

v = d / (t₁ + t₂)

v = d / (d / (2v₁) + d / (2v₂))

v = d / (d/2 (1/v₁ + 1/v₂))

v = 2 / (1/v₁ + 1/v₂)

v = 2 / ((v₁ + v₂) / (v₁ v₂))

v = 2 v₁ v₂ / (v₁ + v₂)

8 0
3 years ago
What characteristic of waves caused the bridge to
krok68 [10]

Answer:cody rhodes

Explanation:

6 0
3 years ago
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