((help please))


why might a CD be a more reliable way to copy and distribute a sound recording than a vinyl record

((help Please))why Might A CD Be A More Reliable Way To Copy And Distribute A Sound Recording Than A

Answers

Answer 1

Answer:

Is either b or d

Explanation:

Answer 2

A CD be a more reliable way to copy and distribute a sound recording than a vinyl record because a CD is easier to copy exactly over and over again.

What are CDs and  vinyl records?

CDs are digital music storage devices, which means the music is binary data encoded. It uses a 2-channel, 16-bit, 44.1 kHz configuration as the norm for CDs. A laser reads the data, and after it has been decoded, audio is played back.

A sensitive needle known as a stylus is used to read the physical record of the music that is imprinted on the vinyl disc because vinyl is an analogue storage medium. The 12-inch 33-rpm LP, 7-inch 33-rpm EP, and 7-inch 45-rpm single make up the typical vinyl album.

The diameter and playback speed are what determine a vinyl disc's storage capacity (larger discs and slower playback means more capacity). The stereo channels are divided among the groove's two sides.

Hence, option (D) is correct.

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Related Questions

If you were to travel from the equator to the higher latitudes (near either pole) on Saturn, the differential rotation would cause the length of a day that you would measure to be longer by ____ hour(s). [Number accurate to 2 places after the decimal.]

Answers

Answer:

Saturn's differential rotation will cause the length of a day measures to be longer by 0.4 hours

Explanation:

Differential rotation occurs due to the difference in angular velocities of an object as we move along the latitude of the or as we move into different depth of the object, indicating the observed object is in a fluid form

Saturn made almost completely of gas and has differential motion given as follows

Rotation at the equator = 10 hours 14 minutes

Rotation at high altitude = 10 hours 38 minutes

Therefore;

The differential rotation = 10 hours 38 minutes - 10 hours 14 minutes

The differential rotation = 24 minutes = 24 minutes × 1 hour/(60 minutes) = 0.4 hours

The differential rotation = 0.4 hours

Therefore, the measured day at the higher altitude will be 0.4 longer than at the equator.

Brainliest ASAP!!

Solve the equation 4(s+5)=60

Answers

Answer:

s=10

Explanation:

4(s+5)=60

4s+20=60

4s=40

s=10

Give jesseocana the brainliest

A force of 75 N at an angle of 15° to the direction of motion moves a chair 3 m. Which change would result in more work being done on the chair?

Answers

Answer:

Decreasing the angle to 10

Explanation:

Edge 2020

A car starts from rest and accelerates uniformly over a time of 7.31 seconds for a distance of 160 m. Determine the acceleration of the car.

Answers

Answer:

Since it is given that car starts from rest so initial velocity  

u

=

0 m/s

. The position of car is given, so  

S

=

215 m

.

Explanation:

6346345

Answer:

215 m

Explanation:

conversion
18230 mJ to kJ?

Answers

Answer:

0.01823

Explanation:

big brain

A mover applies a net force of 28 N to a sofa that has a mass of 70 kg.
What will the sofa's acceleration be?

Answers

Answer: .4 m/s^2= acceleration

Explanation:

f = m*a

We can rearrange this equation to solve for acceleration. Therefore,

a=f/m

a= 28N/70kg

a= 0.4 m/s^2

What is the meaning of disgust?

Answers

Answer:

Disliking something

Explanation:

For an example : Ah you disgust me

Answer:

Strongly disproval of something (usual this something is gross)

"Profound dislike or annoyance caused by something sickening or offensive." - The Free Dictionary

Explanation:

Example: Her attitude filled me with disgust

Example 2: Your gross remarks disgust me.

Which has more inertia, a car with a mass of 900kg or a car with a mass of 1,500kg. Explain your answer.

Answers

Answer:

Which has more inertia - a car with a mass of 900kg or a car with a mass of 1500kg - explain. The bigger the mass - the larger the inertia but you need to exert more force to start the movement.

Explanation:

Alok and his father are sitting at a distance of 5 meter on a seesaw. His father is at the distance of 2 meter from the fulcrum and Slok weighs 20 kg. If they are balancing the seesaw, find the weight of his father.​

Answers

Answer:

30kg

Explanation:

Distance between Alok and father = 5m

Father's distance from fulcrum  = 2m

Solak's weight  = 20kg

Unknown:

Weight of the father = ?

Solution:

This problem entail the balancing of forces around a fulcrum.

    In this problem;

        workdone by father   =  workdone by Alok

            ( mass x distance) father  = (mass x distance) Alok

   distance of Alok from the fulcrum  = 3m

 Input the parameters and solve;

           mass of father x 2  = 20 x 3

            mass of father  = 30kg

The weight of the father is 30kg

What is the acceleration of a car moving in a straight line that increases from 0m/s to 50 m/s in 5 seconds?

Answers

Answer:

10m/s^2

Explanation:

a=change in velocity/change in time

50/5=10m/s^2

Which of the following is a solution?
OA.
ocean water
OB. oil in water
OC. sand in water
OD. all of these







OA. Ocean water

Answers

Answer:

OA. ocean water is a solution

Explanation:

What is the relationship between the tilt of the Earth on its axis, latitude, and temperature?

Answers

Answer:

The combination of more direct rays of sunlight and more hours of daylight causes the hemisphere tilted toward the sun to receive more solar radiation and to have warmer temperatures. When the Northern Hemisphere is tilted toward the sun, latitudes between the equator and 90°N (the North Pole) are experiencing summer.

Hope this helps :) :) :)

Where would the net force acting on a charge placed in a system of like charges be zero?

Answers

Answer:

If an object is electrically neutral it has no net charge becuase it has the same number of protons as it does electrons, which are opposite charges that offset each other. No, that just means that the sum of all its positive and negative amounts of charge equals zero.

A person takes a ride to the top of a building in an elevator. If the elevator starts with
electrical energy, what types of energy does the electrical energy transform into during
this process? Put at least four answers.

Answers

Answer:

mechanical energy

Explanation:

Two students described a part of Earth's innermost layer.

Daniel: Densest part
Joshua: Has highest temperature and pressure

Which part of the innermost layer did Daniel and Joshua describe?

They both described the outer part.
They both described the inner part.
Daniel described the outer part and Joshua described the inner part.
Daniel described the inner part and Joshua described the outer part.

Answers

Answer:

It is B

Explanation:

Because the high temp and perisher is inner and the densest is the same thing

Answer: They both described the inner part

Explanation:

Why can u see the planets at night

Answers

Reflection off of the sun/moon.

Answer:

stupid question

Explanation:

If I travel at a velocity of 2m/s to the right for 4 seconds, what is my displacement?

Answers

the answer is 2 because since it’s velocity u divide

A 1500 kg car traveling at 15m/s to the south collides with a 4500 kg truck that is initially at rest at a stoplight. the car and truck stick together and move together after the collision, what is the final velocity of the two vehicles

Answers

Answer: 3.75 m/s

Explanation:

Here's what you know: The car has mass 1500 kg, and initial velocity 15.0 m/s.  The truck has mass 4500 kg and initial velocity 0 m/s.  The final mass is 6000 kg (4500 kg plus 1500 kg, because they stick together) and we are looking for the final velocity.  Using the formula p = mv, and the concept that p before equals p after, the p of the car plus p of the truck equals the p of them together. So, 1500 x 15 + 4500 x 0 = 6000 x v final.  22500 = 6000 v, and v = 3.75 m/s.  The velocity is positive, and the initial velocity of the car was positive, so the two vehicles together are traveling to the south just like the car was initially.

Cody’s car accelerates from 0M/S 245 in/at Northwoods and 15 seconds what is the acceleration of the car

Answers

Answer:

3m/s^2

Explanation:

Acceleration is change in velocity / time = 45/15 = 3m/s^2

Which image shows an example of the electromagnetic force in action?

Answers

Answer:

the answer is A the one that has the green ball as particles

Explanation:

The second image showing an electromagnet is an example of the electromagnetic force in action therefore the correct option is B

What is electromagnetic force?

It is a type of force that occur between electrically charged particles. The electromagnetic force is the combination of all the electrical and magnetic forces generated from any charged particle,

These electromagnetic forces either be attractive or repulsive.

The force generated from a simple bar magnet is an example of the electromagnative force, hence the correct option is B

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A person of 45 kg can accelerate at 1.5 m/s on a straight road. What is the force created?​

Answers

Answer:

The answer is 67.5 N

Explanation:

The force acting on an object can be found by using the formula

Force = mass × acceleration

From the question

mass = 45 kg

acceleration = 1.5 m/s²

We have

Force = 45 × 1.5

We have the final answer as

67.5 N

Hope this helps you

If a truck has a mass of 100 kg and
a velocity of 35 m/s, what is its
momentum?

Answers

Momentum = 100 x 35 = 3500 Kg m/s

A Parachutist with a camera, with descending at a speed of 12.5m/s, releases, the camera at an altitude of 64.3m. What is the magnitude of the velocity of the camera just before it hits the ground ? The acceleration of gravity is 9.8 m/s and air friction is negligible. How long does it take the camera to reach the ground

Answers

Given :

Initial velocity, u = 12.5 m/s.

Height of camera, h = 64.3 m.

Acceleration due to gravity, g = 9.8 m/s².

To Find :

How long does it take the camera to reach the ground.

Solution :

By equation of motion :

[tex]h = ut+\dfrac{gt^2}{2}[/tex]

Putting all given values, we get :

[tex]12.5t+\dfrac{9.8t^2}{2}=64.3\\\\4.9t^2+12.5t=64.3[/tex]

t = 2.56  and t = −5.116.

Since, time cannot be negative.

t = 2.56 s.

Therefore, time taken is 2.56 s.

Hence, this is the required solution.

During a car trip across the state of Ohio you travel 275 miles in 6 hours.
What was your average speed for the entire trip(in mph)?

Answers

Answer:

45.83MPH

Explanation:

Let's use equivalent ratio.

275 miles = 6 hours

6 / 6

45.83 miles = 1 hour

A student is on a skateboard facing a wall. The student and skateboard have a mass of 75 kilograms. The student pushes off of the wall with a force of 100 Newtons. What is the force of the wall pushing back on the student? What is the acceleration of the student as she moves away from the wall?

Answers

Answer:

F=-100N; a=1.3m/s^2

Explanation:

Force is being made by student, so wall counteracts that force by not moving so it is equally opposite.

The force of the wall pushing back on the student would be 100 Newtons, and the acceleration of the student as she moves away from the wall would be 1.33 m/s²

What is Newton's third law of motion?

Newton's third law of motion state that for every action force there exists a complementary reaction force that balances it.

As given in the problem a student is on a skateboard facing a wall. The student and skateboard have a mass of 75 kilograms. The student pushes off of the wall with a force of 100 Newtons,

The force of the wall pushing back the student = 100 Newtons

The acceleration of the student = 100/75

                                                     =1.33 m/s²

Thus, The student would be pushed back against the wall by a force of 100 Newtons, and she would accelerate away from the wall at a rate of 1.33 m/s².

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Hiro walks up a flight of stairs in his apartment building. Later in the day, he runs up the same flight of stairs.

Which statement about work and power describes Hiro’s actions?

He did more work running than walking.
He did more work walking than running.
He had more power running than walking.
He had more power walking than running.

Answers

Answer:

C) he had more power running than walking

Explanation:

saw it on a quizlet. not 100% sure tho

Hiro walks up a flight of stairs in his apartment building. Later in the day, he runs up the same flight of stairs so He had more power running than walking.

What is power?

In physics, power is the amount of energy transferred or converted per unit of time. In the International System of Units, the unit of power is the watt, equal to one joule per second. In older works, power is sometimes called activity. Power is a scalar quantity.

Power is related to other quantities; for example, the power involved in moving a ground vehicle is the product of the traction force on the wheels and the velocity of the vehicle.

The output power of a motor is the product of the torque that the motor generates and the angular velocity of its output shaft

Since we know that Hiro will run on stairs to minimize the time of reaching his home so if time decreases then he has to increase his power as power is the ratio of work and time.

Hence Hiro walks up a flight of stairs in his apartment building. Later in the day, he runs up the same flight of stairs so He had more power running than walking.

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Given a helicopter flying up and sideways at a velocity of 95 m/s at an angle of 35º to the ground, find the horizontal component of the velocity. ​

Answers

Answer:

The horizontal component of the velocity of the helicopter is approximately 77.82 m/s

Explanation:

The given parameters are;

The speed of the helicopter, v = 95 m/s

The angle in which the helicopter is flying = 35° to the ground

The horizontal component of the velocity is given by the component of the magnitude, R, of the velocity of the helicopter in the x-direction as follows;

[tex]v = \sqrt{v_x^2 + v_y^2}[/tex]

Where;

vₓ = v × cos(θ) = The horizontal component

[tex]v_y = v \times sin(\theta)[/tex] = The vertical component

∴ The horizontal component of the velocity, vₓ, of the helicopter with 95 m/s velocity moving at an angle of 35° to the horizontal is given as follos

vₓ = 95 × cos(35°) ≈ 77.82 m/s

The horizontal component of the velocity of the helicopter ≈ 77.82 m/s.

Typically in hot weather or when a person’s muscles heat up, a person can produce more________ than normal. IT’S P.E WORK!

Answers

Answer:

Sweat. Hope this helps!!

Explanation:

A projectile is launched with an initial velocity of 1.414 m/s at 45° above the horizontal. What is the vertical component of the projectile's velocity when it strikes a wall 0.50 m away?

Answers

Answer:

As the projectile starts it’s motion from a vertical height at y=10m, it’s vertical motion may be described as under-

y= 10+ut-0.5gt^2

Where “u” is initial vertical velocity

= 45 sin60,

“g” is acceleration due to the gravity (10m/sec^2)

and “t” is time.

When the projectile touches the ground the vertical height “y”=0

Therefore the time “t” taken for the flight of the projectile till it touches the ground may be calculated from the above equation when y=0 as under -

0= 10+45sin60 x t- 0.5x10 t^2

0= 10+45x (√3/2)x t-5 t^2

t^2-9x (√3/2)x t-2 =0

t= [4.5√3 + √(243/4+4)]/2

t=[7.794+ 8.047]/2

t= 7.92 sec.

The horizontal distance travelled during this time=

vt

Where “v” is horizontal velocity = 45 cos60.

Therefore,

vt =45cos60 x 7.92

= 45x0.5x7.92

= 178.2 m

Old thermometers contained very small amounts of mercury. The mercury in the photo has a melting point of −38.8 °C. What can you conclude about the melting point of the mercury in old thermometers?

A. Its melting point can only be determined when the mercury is burned.
B. Its melting point changes as the mercury’s temperature changes.
C. Its melting point equals −38.8 °C because it is mercury.
D. Its melting point is less than −38.8 °C because its volume is smaller.

Answers

Answer:

C. Its melting point equals −38.8 °C because it is mercury.

Explanation:

Given that the old thermometer contained a very small amount of mercury and the melting point of mercury is [tex]-30^{\circ}C[/tex].

The temperature at which any material starts changing from the solid-state to the liquid-state is known as the melting point of the material.

As the melting point of any material does not depends on the amount of material. So, whether there is a small amount of mercury or is a large amount of mercury.

Hence, the melting point remains [tex]-30^{\circ}C[/tex] because it is mercury.

So, option (C) is correct.

As per the definition above, there is no need to burn the mercury to determine the melting point, so option (A) is wrong.

The melting point does not depend on the initial temperature, mass, volume of the material, so options (B) and (D) are wrong.

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