What is the frequency of this wave?
O1
O2
O3
O4

What Is The Frequency Of This Wave?O1O2O3O4

Answers

Answer 1

Answer:

f = 1/t

1/1

=1

Explanation:

The frequency f = 1/T = ω/2π of the motion gives the number of complete oscillations per unit time. It is measured in units of Hertz, (1 Hz = 1/s).


Related Questions

Which is true about Earth's energy budget?
A. Most of the energy from the sun is reflected back into space
B. Most of the energy from the sun is absorbed by the atmosphere and surface.
C. Very little of the energy is absorbed by the surface
D. The amount of energy coming back into the atmosphere is less than what leaves Earth's surface

Answers

Answer:

I think is B but I'm not sure

The statement which is true about Earth's energy budget is that most of the energy from the sun is absorbed by the atmosphere and surface. Thus, the correct option for this question is B.

What is Earth's energy budget?

Earth's energy budget may be characterized as the mutual balance between the radiant energy that significantly reaches Earth from the sun with respect to the energy that flows from Earth back out to space.

In order to maintain a constant global average temperature, all of the sun's radiation that successfully enters Earth's atmosphere must eventually be sent back to space. There are three sources of Earth's energy budget may include incoming solar energy (shortwave radiation), Outgoing longwave radiation, and Earth's internal heat sources and other small effects.

Therefore, the correct option for this question is B.

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Assume that Michael's teacher has a rule that if a student talks out-of-turn three times in one day, that student must stay in for recess for the
rest of the week. Which of the following methods is she using to control student behavior?

a. folkway
b. sociobiology
c. informal sanction
d. formal sanction

Answers

D sorry if I get y’all wrong

Write your answer to the question below.

-How do you think energy is transformed in the Drop Tower( ride in a amusement park)?

Answers

Answer:

Hi... Potential energy is converted to kinetic energy and kinetic energy is converted to potential energy

The tension of a guitar string is increased by 40%. By what factor odes the fundamental frequency of vibration change? a. 1.13 b. 1.18 c. 1.06 d. 1.09 e. 1.24

Answers

Answer:

b. 1.18

Explanation:

The fundamental frequency in string is expressed as;

F1 = 1/2L√T/m .... 1

L is the length of the string

T is the tension

m is the mass per unit length

If the tension is increased by 40%, the new tension will be;

T2 = T + 40%T

T2 = T + 0.4T

T2 = 1.4T

The new fundamental frequency will be;

F2 = 1/2L√1.4T/m ..... 2

Divide 1 by 2;

F2/F = (1/2L√1.4T/m)/1/2L√T/m)+

F2/F = √1.4T/m ÷ √T/m

F2/F = √1.4T/√m ×√m/√T

F2/F = √1.4T/√T

F2/F = 1.18√T/√T

F2/F = 1.18

F2 = 1.18F

Hence the fundamental frequency of vibration changes by a factor of 1.18

When a capacitor, in RC circuit, is fully charged, the current through the resistor is Select one: zero if it is the only capacitor, but maximum if there is another capacitor in series with it. At its maximum value. Greater than the current in a resistor that is farther from the battery than the capacitor. Zero. Equal to the current in a resistive circuit in parallel with the capacitor circuit.

Answers

Answer:

The correct option is "Zero". A further explanation is given below.

Explanation:

As we know,

The capacitor is given by:

⇒ [tex]Q=C\times V[/tex]

Rate of change with respect to the time will be:

⇒ [tex]\frac{dQ}{dt}=C\times \frac{dV}{dt}[/tex]

Now,

It is mentioned in the question that the capacitor is completely charged, then

⇒ [tex]\frac{dV}{dt}=0[/tex]

i.e.,

⇒ [tex]\frac{dQ}{dt}=0[/tex]

All other choices available aren't related to that same scenario in question. So the answer above is the perfect one.

A ball is kicked by an offensive player and hits the goal post and comes back to the person who kicked it and he/she kicks it in the goal. It is ruled ______.

Answers

Answer:

A goal.

Explanation:

This is clearly seen to be a scenario of a sporting event. It is seen to have certain set down rules that it is been strictly played by. In different occasions, it is seen to favour an opposing or defending side. In the case here where the ball did not touch or foul anyone after its hit on the woodwork, and been shot into the net, it can be counted to be a goal. There are different rules which ranges from penalty to offsides, to throw-in etc which makes the game lively and controlled very well.

a transformer is used to provide a pd of 100kV to an xray tube from 250V a.c mains supply. A current of 100mA flows in the x ray tube and the transformer is 100% efficient. calculate the ratio of the number of turns in the secondary coil to the number of turns in the primary coil.

Answers

Answer:

9726

Explanation:

she tried oii oii oii ooe last kow show e

A transformer is used to provide a pd of 100kV to an xray tube from 250V a.c mains supply. A current of 100mA flows in the x ray tube and the transformer is 100% efficient. the ratio of the number of turns in the secondary coil to the number of turns in the primary coil is 9726.

What is transformer?

A transformer is an electrical device that transfers energy from one electric circuit to another using the electromagnetic induction principle.

It is intended to change the AC voltage between the circuits while keeping the current's frequency constant. Transformers accomplish this without establishing a conductive link between the two circuits.

The magnetic core, the primary winding, and the secondary winding are the three components that make up a simple transformer. A live supply of AC power is connected to the primary winding. The winding is encircled by an oscillating magnetic field as a result.

Therefore, A transformer is used to provide a pd of 100kV to an xray tube from 250V a.c mains supply. A current of 100mA flows in the x ray tube and the transformer is 100% efficient. the ratio of the number of turns in the secondary coil to the number of turns in the primary coil is 9726.

To learn more about transformer, refer to the link:

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The Earth's _____
is what gives us day and night

1. Orbit
2. Rotation
3.Revolution

Answers

Answer:

rotation

Explanation:

............................

Answer: 2nd option, Rotation

I hope this helps, and Stay Safe! :)

how do you test hydrogen gas ​

Answers

Explanation:

The test for hydrogen consists of holding a burning splint held at the open end of a test tube of gas. If the gas is hydrogen it burns with a loud “squeaky pop” which is the result of the rapid combustion of hydrogen with oxygen to produce water.

1. A car travels 180 m southeast in 30 s. What is the average velocity? (Lesson 2.01)
Show your work and include units.
Step 1: write formula
Step 2: list “givens”
Step 3: plug in numbers
Step 4: calculate & write answer
Step 5: add units
i

Answers

Answer:

6m/s

Explanation:

Velocity (m/s) = Displacement (m) / Time (s)

Given:

Displacement = 180m

Time = 30s

Velocity = 180/30 = 6m/s

01
Question 4
What is an atom's nucleus made of?
X a. protons only
b. only neutrons
c. electrons and protons
d. protons and neutrons

Answers

Answer:

D i think

Explanation:

dont need a explanation it's just D

when the mass of an object is increased it would decrease its acceleration in the force is left alone

Answers

Answer:

See the explanation below.

Explanation:

This analysis can be easily deduced by means of Newton's second law which tells us that the sum of the forces or the total force on a body is equal to the product of mass by acceleration.

∑F = m*a

where:

F = total force [N]

m = mass [kg]

a = acceleration [m/s²]

We must clear the acceleration value.

[tex]a=\frac{F}{m}[/tex]

We see that the term of the mass is in the denominator, so that if the value of the mass is increased the acceleration decreases, since they are inversely proportional.

2. __________is the pressure exerted by the layer of air around the Earth

Answers

Answer:

Atmospheric Pressure

Explanation:

What’s the kinetic energy of the object? Use. Erica is competing in the shot put event at a track meet. She hurls a shot with a mass of 4 kilograms at a speed of 9 meters/second. The shot’s kinetic energy is_____ joules.

Answers

Answer:

4 kilograms

Explanation:

22. What force causes a skater sliding on the ice to gradually slow down?

A. balanced forces
B. friction
C. acceleration
D. inertia

Answers

The answer is Friction

List the three main things necessary to build an electromagnet.

Answers

Answer:

Electromagnets are special types of magnets that are made by passing current through coils of wire. To make an electromagnet, the minimum requirements are:

1. A nail (usually made of iron, steel or zinc)

2. Dry cell batteries

3. Wire (Usually copper wire)

Other things could be:

1. Electric tape to hold both ends of the wire properly at the battery terminals.

2. Scissors to cut the wire into desired length.

3. Iron fillings for testing purposes.

In terms of the scientific definition of work, magnetic and electric fields can do work.

Answers

Answer:

i think yes if right or wrong comment me ok

Write the chemical formula and chemical name for two phosphorus and four fluorine.

Answers

Answer:

2 moles of phosphorus difluoride

2PFsubscript2

I hope it will be useful.

A horse trotting at 3 meters per second speeds up with an acceleration of 2
meters per second2 for a distance of 15 meters. Calculate the horse’s final
speed.

Answers

Answer:

The horse's final speed is 8.31 m/s

Explanation:

Motion With Constant Acceleration

It's a type of motion in which the velocity of an object changes uniformly in time.

The equation that describes the change of velocities is:

[tex]v_f=v_o+at\qquad\qquad [1][/tex]

Where:

a   = acceleration

vo = initial speed

vf  = final speed

t    = time

The distance traveled by the object is calculated as follows:

[tex]\displaystyle x=v_o.t+\frac{a.t^2}{2}\qquad\qquad [2][/tex]

Solving [1] for t and substituting into [2] we get the following equation:

[tex]V_f^2=V_o^2+2aX[/tex]

Now we use the data provided by the question. The horse starts at vo=3 m/s and then accelerates at [tex]a=2 m/s^2[/tex] for a distance of x=15 m. The final speed is:

[tex]V_f^2=3^2+2(2)(15)[/tex]

[tex]V_f^2=9+60=69[/tex]

[tex]V_f=\sqrt{69}[/tex]

[tex]V_f=8.31\ m/s[/tex]

The horse's final speed is 8.31 m/s

2. A force of 50 N is applied to the object for a distance of 2.0 m. Assume that object(the mass of the object is 3kg)
was at rest at the beginning, what speed did it achieved because of the work done on it? (Hint:
Calculate the works performed by the force first.)
I figured that is 8.2m/S,I am just not sure can anyone help me i much appreciate it.​

Answers

Answer:

2. A force of 50 N is applied to the object for a distance of 2.0 m. Assume that object(the mass of the object is 3kg)

was at rest at the beginning, what speed did it achieved because of the work done on it? (Hint:

Calculate the works performed by the force first.)

I figured that is 8.2m/S,I am just not sure can anyone help me i much appreciate it.

Explain what happen to pressure exerted by air in the tyre if the temperature of tyre increases

Answers

Answer:

See the answer below

Explanation:

According to Amonton's law, the pressure of a gas is directly proportional to the temperature of its molecules given that the volume remains constant.

Hence, if the temperature of a tyre increases, heat is transferred to the air molecules within the tyre leading to an increase in the air temperature. The air thus exerts more pressure on the tyre in agreement with Amonton's law.

****PLEASE HELP**** THERE ARE TWO QUESTIONS (ITS EASY)

Answers

but I think it's a and f

and

b and e

Release an object from a distance of 2 meters. If the object reaches the ground at a speed of 20 m / s. Find the acceleration of the object?

Answers

Applicate formula:

Vf² = Vo² + 2ad

Clearing a:

a = (Vf² - Vo²) / 2d

Replacing:

a = ((20 m/s)² - 0 m/s)²) / 2 * 2 m

a = 400 m²/s² / 4 m²

a = 100 m/s²

The aceleration is 100 m/s²

A 15-kilogram wagon originally at rest on a level road is pulled by a rope that exerts a constant horizontal force of 45 newton's, If the frictional forces on the wagon total 15 newton's, what will be its acceleration ? *
2.0 〖m/s〗^2
4.0 〖m/s〗^2
15 〖m/s〗^2
30 〖m/s〗^2
3.0 〖m/s〗^2

Answers

Answer:

A. 2 m/[tex]s^{2}[/tex]

Explanation:

Mass of wagon = 15 kg

Horizontal force = 45 N

frictional force = 15 N

It is good to note that part of the exerted horizontal force would be used to overcome the frictional force on the wagon.

So that, total force exerted on the wagon can be determined by;

total force = horizontal force - frictional force

                 = 45 - 15

                 = 30 N

From Newton's second law of motion, we have;

F = ma

Where: F is the force applied on an object, m is its mass, and a is the acceleration of the object.

Thus,

30 = 15 x a

a = [tex]\frac{30}{15}[/tex]

  = 2 m/[tex]s^{2}[/tex]

The acceleration of the wagon is 2 m/[tex]s^{2}[/tex].

Un automovil transita por una curva en forma de U y recorre una distancia de 400m en 30s sin embargo su posición final está a solo 40 m de la inicial ¿Cuál es la rapidez media y cuál es la magnitud de la velocidad media?

Answers

Answer:

Definimos:

Rapidez media es igual al cociente entre la distancia recorrida y el tiempo que se tarda en recorrer esa distancia.

En este caso la distancia recorrida es 400m, y el tiempo que se tarda es 30s, entonces la rapidez media va a ser:

RM = 400m/30s = 13.33 m/s

La velocidad media por otro lado, es igual al cociente entre el desplazamiento y el tiempo necesario para desplazarse.

El desplazamiento es igual a la distancia entre la posición final y la posición inicial, que en este caso eso 40m, y el tiempo necesario sigue siendo 30s, entonces la velocidad media va a ser:

VM = 40m/30s = 1.33 m/s

a 10-kg box is sitting at rest on a table. What is the net force acting on the box?

Answers

Answer:

the net force /resultant force is 0N

Explanation:

this is because newton's first law states that when there was no resultant force, the object will continue in its state of rest or uniform motion in a straight line.

as a result, the box is at rest. this the net for certain which is the resultant force is 0N, this doesn't mean that there is no force, it is just that the total force (after subtracting) is 0N

hope this helps,

HELP PLS its been a day and this lesson is due today and ita already night here and i have to solve this questions or else my parent will be mad pls help me pls im despo ):

Answers

Answer:

mind the angle that the ball is at and subtract the answer from where the goal post is. You probably know that but my brain cant function what the answer is.

Which object has a net force of -68 N?
F = 31 N
F = 89 N
F, = 27 N
F=-53N
F = 53 N F-56N
F = 103 N
F = 34 N
F=-102 N
F = -27 N
F = -74 N
F=-89 N

Answers

Answer:third one from the left

Explanation:

The third object from the given problem has a net force of - 68 Newtons because there is no net vertical force action of this object as equal upward and downward forces cancel each other.

What is Newton's second law?

Newton's Second Law states that The resultant force acting on an object is proportional to the rate of change of momentum.

F = m*a

The net vertical force = 27 Newtons - 27 Newtons

                                    = 0 Newtons

The net vertical force on the object would be zero.

The net horizontal force acting on the object = - 102 Newtons + 34 Newtons

                                                                           = -68 Newtons

Hence we can conclude that the net force of - 68 Newton acting on the third object.

Learn more about Newton's second law here, refer to the link;

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Uses of Photodiode.State the 8 uses of phototide...................​

Answers

Answer:

Photodiodes are used in consumer electronics devices such as compact disc players, smoke detectors, medical devices and the receivers for infrared remote control devices used to control equipment from televisions to air conditioners. For many applications either photodiodes or photoconductors may be used.

Un mobil parcurge distanta dintre 2 localitati in 2 etape: in prima etapa parcurge d1+40km cu viteza v1=50km/h, apoi parcurge d2=60km cu v2=60km/h. Care este v medie?

Answers

Răspuns: 55 km / oră

Explicaţie:

Dat fiind :

Prima etapă de călătorie:

Distanța parcursă = d1 = 40km

Viteza (v1) = 50 km / oră

A doua etapă de călătorie:

Distanța parcursă = d2 = 60km

Viteza (v2) = 60km / hr

Viteza medie = (viteza primei etape + viteza celei de-a doua etape) / 2

Viteza medie = (50 + 60) km / h ÷ 2

Viteza medie = 110km / h ÷ 2

Viteza medie = 55 km / oră

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