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Mice21 [21]
2 years ago
12

What do scientists use to look at cells, tissues, and small organisms to see how their biological processes differ in space?

Physics
1 answer:
tatuchka [14]2 years ago
5 0

Answer:

Explanation:

microgravity

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A copper wire 225m long must experience a voltage drop of less than 2.0v when a current of 3.5 a passes through it. compute the
MA_775_DIABLO [31]

Answer:

V = I * R

R = 2 / 3.5 = .571 ohms     maximum resistance of wire

R = ρ L / A  where R is proportional to L and inversely proportional to A

A = ρ L / R     minimum area of wire

ρ = 1 / μ  =     1.67E-8 ohm-m      resistivity inverse of conductivity

A = 1.67E-8 ohm-m * 225 m / .571 ohm = 6.68E-6 m^2

A = 6.68 mm^2       since 1 mm^2 = 10-6 m^2   or 1 mm = 10-3 m

A = Π r^2 = 6.68 mm^2

r = (6.68 / 3.14)^1/2 mm = 2.13 mm      radius of wire

d = 2 * r = 4.26 mm

5 0
1 year ago
if spiderman runs and jumps horizontally from the top of a 200m high building, what does he need his velocity to be to land on a
antiseptic1488 [7]

Answer:

v = 2.22 m/s

Explanation:

First we apply the second equation of motion to the vertical motion of the body:

s = Vi t + (1/2)gt²

where,

s = y = vertical distance covered = 200 m - 100 m = 100 m

Vi = V₀y = Vertical Component of Initial Velocity = 0 m/s  (because spider man jumps horizontally, thus his velocity has no vertical component initially)

t = Time Taken to Land on 100 m high building = ?

g = 9.8 m/s²

Therefore,

100 m = (0 m/s)t + (0.5)(9.8 m/s²)t²

t² = (100 m)/(4.9 m/s²)

t = √(20.4 s²)

t = 4.5 s

Now, we analyze the horizontal motion. Neglecting air friction, the horizontal motion is uniform with uniform velocity. Therefore,

s = vt

where,

s = x = horizontal distance covered = 10 m

v = V₀ₓ = Horizontal Component of Initial Velocity = Initial Velocity = ?

Therefore,

10 m = v(4.5 s)

v = 10 m/4.5 s

<u>v = 2.22 m/s</u>

7 0
3 years ago
The number of protons in an atom is that element’s __________________ number.<br> PLEASE HELP
malfutka [58]

Answer:

Explanation:

atomic number

7 0
3 years ago
Which of the following is not a name of a scale for measuring temperature? A. Kelvin B. Celsius C. Absolute D. Fahrenheit
Lena [83]
Hello,

The answer is option C "absolute".

Reason:

The answer is option C because the three names for temperatures are: Kelvin, Celsius, and Fahrenheit therefore your answer is option C.

If you need anymore help feel free to ask me!

Hope this helps!

~Nonportrit
5 0
3 years ago
How are emotional and intellectual health related
Tcecarenko [31]
A good way to think about mental and emotional health is like a tag team. Mental health refers to your ability to process information. Emotional health, on the other hand, refers to your ability to express feelings which are based upon the information you have processed.
8 0
3 years ago
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