Why does a vibraing simple pendulum not produce any sound

Answers

Answer 1
Answer: Human ear can hear  the lowest frequency about 20 Hz, this is 20 vibrations per second. Vibrations of pendulum are very small and frequency is less than 20 Hz, so we can't hear it.
Answer 2
Answer: It does, but the sound is at a frequency that's too low for you to hear.
If you could build a pendulum short enough so that it made 20 or more
complete swings every second, THEN you'd begin to hear sound from it.

Related Questions

In Act III, Scene 1, who hears these words from Titania?Thou art as wise as thou art beautiful. A. PuckB. OberonC. BottomD. Peaseblossom
The density of ice is 0.92 g/cm3. An ice sculptor orders a one cubic meter block of ice. What is the mass ofthe block? Hint: 1 m3 = 1,000,000 cm3. Give your answer in grams and kilograms.
Cosmic inflation refers to ____(A) the current period of cosmic acceleration.(B) stellar winds creating bubbles of gas.(C) the Universe filling up with hydrogen gas.(D) a brief early period of hyperrapid expansion of space-time. (E) the ongoing expansion of the Universe.
The sound wave produced can best be described as a ?
The distance from point A to point B is known as the A) wave height. B) wavelength. C) amplitude. D) volume.

Explain convection in as little as possible

Answers

is the upward movement of a warmer less dense region of a fluid
heat goes in a circle

Which type of bond will sulfer (S) and nitrogen (N) form?a. metallic bond
b. covalent bond
c. iconic bond

Answers

Answer:

In ionic compounds, electrons are transferred between atoms of different elements ... For example, two hydrogen atoms bond covalently to form an H2 molecule; each ... is released when one mole of H2 molecules forms from two moles of H atoms: ... atom in each pair is more electronegative: (a) N or P. (b) N or Ge. (c) S or F.

Explanation:

Solar cells convert what type of enegry into electrical enegry

Answers

Solar cells convert Electromagnetic into electrical energy
Light cells?
If you are referring to solar panels, these convert light energy into electrical energy. They do so by generating “DC” (Direct Current) electricity from the light.This electricity is fed into a solar inverter that converts into “AC” (Alternating Current) electricity.The AC electricity is used to power appliances in your home.

The mass of a lamb that weighs 110 n is about a. 1 kg.
b. 11 kg.
c. 110 kg.
d. 1100 kg.
e. none of the above

Answers

A lamb that weighs 110 N has a mass of around 11 kg. Hence, option B is correct except B all options are incorrect.

What are Mass and Weight?

The mass of a physical body is a measure of its entire makeup. Inertia, or the body's resistance to acceleration when a net force is applied, is also measured by this term. The strength of a body's gravitational pull on other bodies is also influenced by its mass. The kilogram is the fundamental mass unit of the SI.

In physics and engineering, the weight of an object refers to the gravitational force that pulls on it. Weight is the term used in many widely used textbooks to describe the gravitational force acting on the object. Some people think of weight as a scalar quantity that gauges the gravitational force's strength.

According to the question, the given values are :

Weight, w = 110 N and,

Taking value of g = 10 m/s²

As we know that  :

w = m × g

110 = m (10)

m = 11 kg

Hence, the mass of the lamb will be 11 kg.

To get more information about Mass and weight :

brainly.com/question/28122305

#SPJ5

g = 10 m/s²
w = 110 N

w = m x g
110 = m x 10
110 = 10 m
m = 110/10 = 11 kg

a stone is dropped from the top of 50 m high tower simultaneously another stone is thrown upward with a speed of 20 m/s . calculate the time at which both the stones cross each other

Answers

'H' = height at any time
'T' = time after both actions
'G' = acceleration of gravity
'S' = speed at the beginning of time
Let's call 'up' the positive direction.
Let's assume that the tossed stone is tossed from the ground, not from the tower.

For the stone dropped from the 50m tower:

H = +50 - (1/2) G T²

For the stone tossed upward from the ground:

H = +20T - (1/2) G T²

When the stones' paths cross, their Heights are equal.

50 - (1/2) G T² = 20T - (1/2) G T²

Wow !  Look at that !  Add (1/2) G T² to each side of that equation,
and all we have left is:

50 = 20T  Isn't that incredible ? ! ?

Divide each side by 20 :

2.5 = T

The stones meet in the air 2.5 seconds after the drop/toss.

I want to see something: 
What is their height, and what is the tossed stone doing, when they meet ?

Their height is  +50 - (1/2) G T² = 19.375 meters

The speed of the tossed stone is  +20 - (1/2) G T = +7.75 m/s ... still moving up.
I wanted to see whether the tossed stone had reached the peak of the toss,
and was falling when the dropped stone overtook it.  The answer is no ... the
dropped stone was still moving up at 7.75 m/s when it met the dropped one.

A proton has a charge of 1.6 × 10-19 C and a mass of 1.67 × 10-27 kg. A proton moves with velocity 1.8 × 105 m/s in the z-direction. A magnetic field with B = 2.1 × 10-1 T points in the y-direction. Find the magnitude and direction of the magnetic force on the proton.What is the angle between the proton’s velocity and the magnetic field?
45°
90°
180°
50°

I'll report you if you don't actually help. I'd like an actual explanation, please.

Answers

Hey

So first we need to know what the direction of the force is, using your right hand rule point your right hand in the direction of the velocity. You're saying its the z direction, not telling me whether it's into the page or out? Since its a positive z im assuming its coming out. The magnetic field is pushing it upwards, so the force is going in the negative x direction.

The force of a magnetic field is

F = Qv X B

What's weird is that you don't need mass in this equation. Actually you don't even need the formula, its telling you that they're all going in perpendicar directions. the answer is 90 degrees.

Now if you want to know the F just multiply the charge, velocity and magnetic field .

F = GVB

F = 6.048 E -15

Answer : 90 degrees, sin(90) = 1

Final answer:

To find the magnitude and direction of the magnetic force on a proton moving in a magnetic field, you can use the equation F = qvBsinθ, where F is the force, q is the charge, v is the velocity, B is the magnetic field, and θ is the angle between the velocity and the magnetic field. The magnitude of the magnetic force can be calculated using the equation, and its direction can be determined using the right-hand rule. In this case, the angle between the proton's velocity and the magnetic field is 90°.

Explanation:

To determine the magnitude of the magnetic force on the proton, we need to use the equation F = qvBsinθ, where F is the force, q is the charge, v is the velocity, B is the magnetic field, and θ is the angle between the velocity and the magnetic field.

Plugging in the values, we have F = (1.6 × 10-19 C)(1.8 × 105 m/s)(2.1 × 10-1 T)sinθ.

To find the angle θ, we can use the fact that the force is perpendicular to both the velocity and the magnetic field, which means that sinθ = 1.

Therefore, the magnitude of the magnetic force on the proton is F = (1.6 × 10-19 C)(1.8 × 105 m/s)(2.1 × 10-1 T) = 6.048 × 10-14 N. The direction of the magnetic force is given by the right-hand rule, which shows that the force is perpendicular to both the velocity and the magnetic field, pointing in the positive x-direction.

The angle between the proton's velocity and the magnetic field is 90°.

Learn more about magnetic force on a charged particle here:

brainly.com/question/19525738

#SPJ3