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3 years ago

What is meant by constructive and destructive interference

1 answer:

6 0

In waveform physics, constructive and destructive interference describes the way two different waves interact with one another. If two waves are aligned such that the peaks of both are in the same spot, the waves experience constructive interference - the two add together and become a single, more powerful wave. The opposite happens if the peak of one meets the trough of the other - the two cancel each other out, and the magnitude of the combined wave is lesser than the individual waves. There are also other, more complex versions of interference if they don’t align cleanly, but the most common descriptions of interference are the ones described above.

Hope this helps!

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Push the plunger in the two syringes. Is your prediction correct? Why?

4vir4ik [10]

Answer:

This is worded strangely.

4 0

3 years ago

What is the part of the earth that you walk on called?

olasank [31]

The part of the Earth that you walk on is called the CRUST.

6 0

3 years ago

A ladybug sits at the outer edge of a turntable, and a gentleman bug sits halfway between her and the axis of rotation. The turn

Cerrena [4.2K]

Answer:

e. Not enough information to determine

Explanation:

This question is incomplete. Here is the complete question with my solution afterwards;

A ladybug sits at the outer edge of a turntable, and a gentleman bug sits halfway between her and the axis of rotation. The turntable (initially at rest) begins to rotate with its rate of rotation constantly increasing.

What is the first event that will occur?(Assume non-zero frictional force and the same coefficients of friction for both bugs.)

a. The ladybug begins to slide

b. The gentleman bug begins to slide

c. Both bugs begin to slide at the same time

d. Nothing ever happens

e. Not enough information to determine

The centripetal force acting on a rotating body or bugs can be written as,

$F=mrw^2$

$m=$ mass of the corresponding bugs

$r=$ corresponding radial distance of each bug

$w=$ angular speed of the turntable

The centripetal force tries to slide the bugs in an outward direction and it is directly proportional to the products of its mass and radial distance from the axis of rotation of the turntable

$F$ ∝ $mr$

Since the radial distance from the axis of rotation of the turntable for each bug is given, but the mass is not given, the given information is therefore not enough to determine which bugs will slide first.

Option "e" is correct.

7 0

3 years ago

Read 2 more answers

The ____ force is the sum of all the forces that act upon each other

Pavel [41]

the resultant force

5 0

3 years ago

Read 2 more answers

If the mass of the body is doubled what should be its speed so as to maintain the same kinetic energy ?

soldier1979 [14.2K]

Answer:

The speed should be reduced by 1/√2 or 0.707 times

Explanation:

The relationship between the kinetic energy, mass and velocity can be represented by the following equation:

K.E = ½m.v²

In this equation, the mass is inversely proportional to the square of the velocity or speed. This means that as the mass increases, the speed reduces by × 2.

Let; initial mass = m1

Final mass = m2

Initial velocity = v1

Final velocity = v2

According to the question, if the mass of the body is doubled i.e. m2 = 2m

½m1v1² = ½m2v2²

½ × m × v1² = ½ × 2m × v2²

Multiply both sides by 2

(½ × m × v1²)2 = (½ × 2m × v2²)2

m × v1² = 2m × v2²

Divide both sides by m

v1² = 2v2²

Divide both sides by 2

v1²/2= v2²

Square root both sides

√v1²/2= √v2²

v1/√2 = v2

v2 = 1/√2 v1

This shows that to maintain the same kinetic energy if the mass is doubled, the speed should be reduced by 1/√2 or 0.707 times.

8 0

3 years ago