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2 years ago

When energy is added to a wave, how can the wave change?.

Physics

1 answer:

nadya68 [22]2 years ago

6 0

Answer:

When waves overlap in-phase (crest meets crest or trough meets trough) the waves energy is additive and the amplitude increases.

Explanation:

When waves overlap out-of-phase (crest meets trough) the waves cancel and the amplitude (energy) decreases. When two interfering waves cancel each other out.

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Which change would result in a stronger electromagnet?

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I'd say B.) Increasing the voltage of the battery.

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3 years ago

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Answer:

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Explanation:

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3 years ago

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vodomira [7]

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3 years ago

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The current in a light bulb is 0.835A.How long does it take for a total charge of 1.67 C to pass a point in the wire

adelina 88 [10]

Explanation:

Given parameters:

Current = 0.835A

Quantity of charge = 1.67C

Unknown:

Time taken = ?

Solution:

The quantity of electricity Q in coulombs is the product of the current I and time t.

Q = I x t

Q is the quantity of electricity in coulombs

I is the current

t is the time taken

input the values and solve for t;

1.67 = 0.835 x t

t = $\frac{1.67}{0.835}$ = 2s

learn more:

Current brainly.com/question/4438943

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5 0

3 years ago

The angle of elevation to the top of a very tall Building is found to be 6° from the ground at a distance of 1 mi from the base

DanielleElmas [232]

Answer:

555

Explanation:

The scenario is shown in the image attached below. A Right Angled Triangle is formed. We have an angle of 6 degrees, the side adjacent to angle which measures 1 mile and we need to find the side opposite to the angle.

Since 1 mile = 5280 feet, the side adjacent to the angle has a measure of 5280 feet.

Tangent ratio relates the opposite and adjacent side by following formula:

$tan(\theta)=\frac{Opposite}{Adjacent}$

Using the given values, we get:

$tan(6)=\frac{x}{5280}\\\\ x=tan(6) \times 5280\\\\ x = 555$

Thus, rounded to nearest foot, the height of the building is 555 feet

5 0

4 years ago