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enot [183]
2 years ago
13

What is the mathematical relationship between wavelength and energy transmission?.

Physics
1 answer:
Tomtit [17]2 years ago
6 0

Answer: Wavelength is related to light and also related to energy. The shorter the wavelengths and the higher the frequency corresponds with greater energy. So the longer the wavelengths and lower the frequency results in lower energy. The energy equation is E = hν.

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Is it possible for a positive and a negative charge to attract each other?
11Alexandr11 [23.1K]
Yes that is possible
3 0
3 years ago
If a trapeze artist rotates once each second while sailing through the air, and contracts to reduce her rotational inertia to on
finlep [7]

Answer:

There are finally 4 rotations per second.

Explanation:

If a trapeze artist rotates once each second while sailing through the air, and contracts to reduce her rotational inertia to one fourth of what it was. We need to find the final angular velocity. It is a case of conservation of angular momentum such that :

I_1\omega_1=I_2\omega_2

Let I_1=I , I_2=\dfrac{I}{4} and \omega_1=1

So,

\omega_2=\dfrac{I_1\omega_1}{I_2}

\omega_2=\dfrac{I\times 1}{(I/4)}

\omega_2=4\ rev/sec

So, there are finally 4 rotations per second. Hence, this is the required solution.

4 0
3 years ago
How does eating food produced locally benefit the environment?
fomenos

Answer:

Eating food produce locally makes it where big trucks don't have to bring it to the restaurant  

Explanation:

When the big trucks drive it they release pollutants into the air so therefore when you get stuff produced locally you don't have the big trucks polluting the air. So therefore it is better for the environment.

6 0
3 years ago
Read 2 more answers
7. What type of mineral can scratch glass, but cannot scratch steel?
zimovet [89]

The answer is (D) Fluorite

3 0
3 years ago
How many turns of wire are needed in a circular coil 13 cmcm in diameter to produce an induced emf of 5.6 VV
Artemon [7]

Answer:

Number of turns of wire(N) = 3,036 turns (Approx)

Explanation:

Given:

Diameter = 13 Cm

emf = 5.6 v

Note:

The given question is incomplete, unknown information is as follow.

Magnetic field increases = 0.25 T in 1.8 (Second)

Find:

Number of turns of wire(N)

Computation:

radius (r) = 13 / 2 = 6.5 cm = 0.065 m

Area = πr²

Area = (22/7)(0.065)(0.065)

Area = 0.013278 m²

So,

emf = (N)(A)(dB / dt)

5.6 = (N)(0.013278)(0.25 / 1.8)

5.6 = (N)(0.013278)(0.1389)

N = 3,036.35899

Number of turns of wire(N) = 3,036 turns (Approx)

7 0
3 years ago
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