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Elodia [21]
3 years ago
13

Which is the constructive interference formula for diffraction grating problems?

Physics
1 answer:
LenKa [72]3 years ago
7 0
The formula applied in diffraction gratings is:
dsin(θ) = nλ
where d is the distance between two adjacent openings in the grating, θ is the angle between two minima or maxima of light, n is the order of the maxima or minima formed and λ is the wavelength of the light being diffracted.
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A forklift raises a crate weighing 8.35 × 102 newtons to a height of 6.0 meters. What amount of work does the forklift do?
Vinil7 [7]
Answer:

<span>5010J</span>

Explanation:

Work is force times distance, or

<span>W=F⋅d</span>.

Substitute in values from the question to get

<span>W=8.35⋅<span>102</span>N⋅6m=50.1⋅<span>102</span>Nm=5010<span>J</span></span>

6 0
3 years ago
Read 2 more answers
Standing waves can ruin the acoustics of a concert hall if there is excessive reflection of the sound waves that the performers
Dmitrij [34]

Answer:

The answer to the questions is;

In terms of standing waves, the listener moves from a location with high amplitude to one with lower amplitude or vibration (anti-node to node)

The distance 4.1 cm is equivalent to λ/4

Explanation:

For standing waves we have is a stationary wave comprising of two opposite direction moving waves that have equal amplitude and frequency, resulting in the superimposition of the waves. As such certain points are fixed along the wave path that is the peaks amplitude of the wave oscillation is constant at a particular point. A node occurring at a point and an anti-node occurring at another fixed point

When the listener moves 4.1 cm he or she has left the anti-node to the node hence the faintness of the sound

The distance from the node to the anti-node is 1/4 wavelength, or 1/4×λ

Therefore 4.1 cm is λ/4

6 0
4 years ago
How do you not know your asleep till your awake lol
ozzi

Answer:

i think since our body is relaxed and our minds are relaxing. i'm not completely sure but i just think that we are kinda partially unconscious in a sense, but i don't really know. i'm not a professional or anything so i guess i don't have a lot of experience in these types of things lol.

Explanation:

anyways,

have a good day !

~mina-san

6 0
3 years ago
Read 2 more answers
A car of mass 1270 kg makes a 15.0 m radius turn at 11.8 m/s on flat ground. How much centripetal force acts on it?
svp [43]

Answer:

Centripetal force = 11789 N

Explanation:

Recall that the centripetal acceleration is defined as the square of the tangential velocity divided by the radius of the circular rotation. Then for our case, the centripetal acceleration is:

ac = (11.8 m/s)^2 / 15 m = 9.28266 m/s^2

then, such acceleration on a mass of 1270 kg will render a centripetal force of:

Fc = m * ac = 1270 * 9.28266 N = 11789 N

3 0
3 years ago
Electrical resistance is measured in
devlian [24]
Resistance is the ratio of
 
         (voltage between two points in the circuit)
divided by
         (current between the same points).

It's expressed in units of Ohms, so the correct choice is "none of the above".
8 0
4 years ago
Read 2 more answers
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