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2 years ago

Listening to the radio, you can hear two stations at once. Describe this wave interaction

Physics

2 answers:

vodka [1.7K]2 years ago

4 0

That situation is called <em>interference </em>.

cupoosta [38]2 years ago

4 0

Answer: The correct answer is "interference".

Explanation:

Interference: It is a phenomenon in which there is a superposition or a overlapping of the waves occur in the same medium. The resulting wave may have minimum amplitude or maximum amplitude. The interference can be : constructive and destructive depending on the amplitude of the resulting wave.

When the frequencies of the waves are not identical but they are similar interfere then the resulting wave is a beat frequency. Beat frequency is a pulsing sound. It goes up and down in loudness.

When you listen to the radio, you hear two stations at once. This interaction of this wave is interference.

Therefore, the correct option is (B).

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A disk-shaped grindstone of mass 1.7 kg and radius 8 cm is spinning at 730 rev/min. After the power is shut off, a woman continu

Anastasy [175]

Answer:

0.186 N-m

Explanation:

mass of the grindstone, $m=1.7 kg$

radius, $r=8 cm$

Frequency, $f=730 rev/min = 12.16 rev/s$

time, $t=9s$

final angular velocity, $\omega=0$

Initial angular velocity,

$\omega_o=2\pi f\\=2\pi (12.16) rad/s\\= 76.36 rad/s$

Angular acceleration of the grind stone is:

$\alpha=\frac{\omega-\omega_o}{t}\\\Rightarrow \alpha =\frac{0-76.36}{9} = -8.48 rad/s^2$

Moment of inertia:

$I=mr^2+mr^2=2mr^2$

$I=2\times 1.7 kg\times (0.08m)^2= 0.022kg-m^2$

Torque exerted by the ax on the grind stone is:

$\tau=I\alpha\\\tau=0.022\times (-8.48) \\\tau=0.186N-m$

8 0

3 years ago

The name of the process used to refine oil into different products is

GaryK [48]

Distillation

Explanation:

The name of the process used to refine oil into different products is called distillation. A refinery has huge distillation columns where is separated into its different fractions.

Distillation is a separation technique in which a mixture such as crude oil is separated into its fractions.
The components of the mixture must have an appreciable boiling point difference.
After distillation, oil is separated into difference components such as heavy oil, natural gas, kerosene, gasoline e.t.c.
The liquid with the least boiling point rises up in the column first and is collected.

Learn more:

Gasoline brainly.com/question/4615337

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3 years ago

What is the acceleration of a car that goes from 4m/s to 8m/s in 2s use the guess method

Dvinal [7]

Answer:

<h2>12m/3s is the answer </h2><h2> I hope its right...</h2>

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2 years ago

What is the genotype for a woman with no freckles?

SIZIF [17.4K]

Well are having freckles recessive or dominant?

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2 years ago

Read 2 more answers

. a boat can travel in still water. (a) if the boat points directly across a stream whose current is what is the velocity (magni

mixer [17]

a) The velocity of the boat relative to the shore is 3.40 m/s and b) The position of the boat relative to its point of origin after 3s is 10.20m.

Here it is given that the speed of the boat (x) = 2.20m/s

The speed of the stream current (y) = 1.20m/s

a) We have to find the velocity of the boat relative to the shore.

The speed of the boat = x + y

= 2.20 + 1.20

= 3.40m/s

b) Now we have to find the position of the boat after 3s

The formula for speed:

Speed = Distance/ Time

distance = speed × time

speed = 3.40m/s

Time = 3s

distance = 3.40 × 3

= 10.20 m

Therefore we get a) speed as 3.40m/s and b) distance as 10.20m.

To know more about the boat and stream refer to the link given below:

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11 months ago