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koban [17]
3 years ago
6

PLEASE HELP!!!! Define constructive interference.

Physics
1 answer:
olga2289 [7]3 years ago
8 0

Constructive interference is a phenomenon in optics where the crest or troughs of two or more waves intersect each other. This leads to increase in the intensity of the output wave.

<u>Explanation:</u>

When two or more waves emitting from different sources travel together, they tend to intersect at some point. So the waves can intersect either at both the crusts position and both the waves in trough position. Thus if the intersecting points of the superposing waves are same, then it will lead to constructive interference leading to formation of bright light.

But if the intersecting points of the superposing waves are different, for example the crust of one wave is intersecting with trough of other wave, then it will lead to destructive interference. The output of the destructive interference is a dark spot in those regions.

Thus, constructive interference increases the amplitude of the superimposing waves as they add up the intensities of crusts of all intersecting points or troughs of all intersecting points.

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A student has two 150kΩ resistors and two 200ߤF capacitors from which to create an RC circuit. Determine each of the possible ci
FrozenT [24]

Answer:

The time constants 30 seconds and the can form an RC Charging circuit.

Explanation:

Time constant, τ, is measured in terms of τ = R x C, in seconds, where R is the value of the resistor in ohms and C is the value of the capacitor in Farads

If R = 150 kΩ = 150000Ω

and C = 200 μF = 0.0002 F

τ = 150,000 × 0.0002

<u>= 30 seconds.</u>

A capacitor, (C)  connected in series with a resistor, (R) forms a RC Charging Circuit connected across a DC battery supply (Vs) via a mechanical switch, with transient time (time required to charge capacitor) = 5τ

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3 years ago
If a sprinter has an average acceleration of 9.5 m/s2, how long does it take for the person to go from rest to 10 m/s
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3 years ago
Find<br>the equevalent unit<br>for Ohm using<br>the<br>geren<br>formula.<br>늘​
Brut [27]

Answer:

V/A

Explanation:

Resistance equals voltage divided by current. You already know resistance's unit is the Ohm. Voltage's unit is the Volt and current's is ths Ampere. Now you can do something like this:

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What are units for measuring specific heat
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4 years ago
A school bus is moving 26.8 m/s on
Elodia [21]

The time taken for the bus to travel 95.1 m is 2.8 s

<h3>How to determine the final velocity</h3>
  • Initial velocity (u) = 26.8 m/s
  • Acceleration (a) = 4.73 m/s²
  • distance (s) = 95.1 m
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v² = u² + 2as

v² = 26.8² + (2 × 4.73 × 95.1)

v² = 1617.886

Take the square root of both sides

v² = √1617.886

v = 40.2 m/s

<h3>How to determine the time</h3>
  • Initial velocity (u) = 26.8 m/s
  • Acceleration (a) = 4.73 m/s²
  • Final velocity (v) = 40.2 m/s
  • Time (t) = ?

v = u + at

40.2 = 26.8 + (4.73 × t)

Collect like terms

4.73 × t = 40.2 - 26.8

4.73 × t = 13.4

Divide both side by 4.73

t = 13.4 / 4.73

t = 2.8 s

Learn more about velocity:

brainly.com/question/3411682

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