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wlad13 [49]
3 years ago
11

How can spectroscopy and infrared technology be useful in space?

Physics
1 answer:
olchik [2.2K]3 years ago
3 0

Answer:

B

Explanation:

Spectroscopy measures electromagnetic radiation.

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Determine the minimum size of glass tubing that can be used to measure water level. If the capillary rise in the tube does not e
Marina CMI [18]

Answer:

Explanation:

The formula to determine the size of a capillary tube is

h = 2•T•Cos θ / r•ρ•g

Where

h = height of liquid level

T = surface tension

r = radius of capillary tube

ρ = density of liquid

θ = angle of contact = 0°

g =acceleration due to gravity=9.81m/s²

The liquid is water then,

ρ = 1000 kg / m³

Given that,

T = 0.0735 N/m

h = 0.25mm = 0.25 × 10^-3m

Then,

r = 2•T•Cos θ / h•ρ•g

r = 2 × 0.0735 × Cos0 / 2.5 × 10^-3 × 1000 × 9.81

r = 5.99 × 10^-3m

Then, r ≈ 6mm

The radius of the capillary tube is 6mm

So, the minimum size is

Volume = πr²h

Volume = π × 6² × 0.25

V = 2.83 mm³

The minimum size of the capillary tube is 2.83mm³

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2 years ago
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mario62 [17]
I can’t see it’s too blurry
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3 years ago
Two cars collide inelastically and stick together after the collision. Before the collision, the magnitudes of their momenta are
dolphi86 [110]

Answer:

a) P1+P2

Explanation:

The magnitude of their combined momentum is just the addition of each momentum, because in this case of inelastic collision, the kinetic energy of the two cars are both converted to some form of energy because the velocity of both cars becomes zero, i.e., V=0, making P = mv = 0, this means the magnitude of P1 + P2 = 0.

3 0
3 years ago
Assuming motion is on a straight path what would result in two positive components of a vector
polet [3.4K]
If the object being represented is going both up and to the right.
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The Hulk lifts a train into the air. He applies a force of 4000 N and lifts the train 10 m. How much work does the Hulk do on th
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Answer:

hulk smash

Explanation:

hulk smash

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