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2 years ago

1. What is the name given to the total possibility of sound frequencies

Physics

1 answer:

exis [7]2 years ago

4 0

Explanation:

1. The entire span of possible sound waves is called the acoustic spectrum. It is subdivided into infrasonic sounds, audible sounds, and ultrasonic sounds.

2. The difference between a musical note and another note at twice the frequency is called an octave.

3. Sound intensity varies with the inverse square of distance.

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A pulley requires you to pull 3 times the amount of rope in order to lift an object. Therefore, the mechanical advantage is ____

RideAnS [48]

<h3>Answer:</h3>

<h3>Explanation:</h3>

A pulley is an example of a simple machine that is made up of ropes and wheels.
Mechanical advantage refers to the number of times that a simple machine multiplies the input force.
This means if a simple machine has a mechanical advantage of 5 then it means that it made the work done 5 times easier than without it.
It also means that one would apply 1/5 times the force they would have applied without the machine.
In this case, the pulley which is a simple machine requires you pull 3 times the amount of the rope. Therefore, the mechanical advantage of the machine is 1, which means the output force is equal to the input force.

6 0

3 years ago

Which of the following is not a function of PACs?

Katena32 [7]

Answer:

i think D

hope this helps

let me know if i'm wrong i will change the answer

Explanation:

5 0

2 years ago

Read 2 more answers

A teacher pushed a 98 newton desk across a floor for a distance of 5 meters. He exerted a horizontal force of 20 N for four seco

Pie

Answer:

First let's find the work.

Work = Force*Displacement

= 20*5

= 100 Joules

Power = Work/Time

= 100/4

= 25 Watts

7 0

2 years ago

The bodies in this universe attract one another name the scientist who propounded this statement

murzikaleks [220]

Answer:

It was proposed by Isaac Newton

Explanation:

The law of universal attraction of expression

F = $G \ \frac{m_1m_2}{ r^2}$ G m1m2 / r ^ 2

where G is a constant, m₁ and m₂ are the masses of the bodies and r the distance between them.

It was proposed by Isaac Newton

With this law Newton explained that the force that pulls the moon towards the earth is the same as that which attracts an apple towards the earth

8 0

2 years ago

The mass number of iodine is 126, and it’s in the 53rd place in the periodic table. It has

Yuri [45]

It has 52 Protons and 73 Neutrons

7 0

3 years ago