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IrinaK [193]
3 years ago
9

Birds cause a lot of damage to airplanes every year. To study this problem, the U.S Air force invented a chicken cannon. Air For

ce scientists use the cannon to shoot chicken bodies at airplanes in controlled tests. Then they analyze the damage the chicken bodies cause. Evaluate this model. in what way do you think it is helpful? What are some limitations?
Physics
2 answers:
Luba_88 [7]3 years ago
8 0

Answer:

to see how it affects the planes and to obsereve the damage the birds have taken

Explanation:

Gnesinka [82]3 years ago
6 0

Answer:

i have this qustion and i am in middle school you in

 

Explanation:

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The answer is a 20 or 140 u choose because u subtract or add these numbers and sorry I can’t speak sri lanka or Indian but I know how to read them
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Electromagnetic radiation is more common than you think. Radio and TV stations emit radio waves when they broadcast their progra
Ludmilka [50]

Answer:

Explanation:

1. They have different wavelengths - Because These radiations form a spectra that differs by the size of the wavelength.

2. They have different Frequencies (f) that is frequency = 1/ wavelength

(f = 1/wavelength)

3. They propagate at different speed though a non vacuum media (non vacuum media affect the speed based on the wavelength)

6 0
3 years ago
A charge of +3.0 mC is distributed uniformly along the circumference of a circle with a radius of 20 cm. How much external energ
Marat540 [252]

Answer:

Work done = 4584.9 J

Explanation:

given: q1=3.0 mC = 3.0 × 10⁻³ C, r = 20 cm = 0.20 m, q1 = 34μC = 34 × 10⁻⁶ C

Solution:

Formula for the potential difference at the center of the circle

P.E = K × q1 q2 /r   (Coulomb's constant k= 8.99 × 10⁹ N·m² / C²)

P.E = 8.99 × 10⁹ N·m² / C² × 3.0 × 10⁻³ C × 34 × 10⁻⁶ C /  0.20 m

P.E =  4584.9 J = Work done

3 0
3 years ago
What is the speed of light (f = 5.09 E14 Hz) in glycerol?
Vikentia [17]

Answer:

The speed of light in glycerol is 2.04×108 m/s .

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