which blu-ray standard defines rewritable disks?

Answer:

Computer Science or Science technology

Explanation:

It all depends on what aspect of science you're looking into such as biology, zoology, marine biology, etc. But since this world is evolving more and more around technology, your best bet is to get into something computer science or science technology.

It is a true statement that cancer and diabetes are two common hereditary diseases.

The term hereditary diseases are those diseases that occur in parents and could also be found in their offspring. For many of these hereditary diseases, the mechanism of inheritance is unclear.

However, it is a true statement that cancer and diabetes are two common hereditary diseases.

Missing parts:

Cancer and diabetes are two common hereditary diseases. A. True B. False.

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Answer:

[tex]\fbox {5 seconds}[/tex]

Explanation:

The formula which is used here :

[tex]\fbox {v = u + at}[/tex]

[tex]\longrightarrow \textsf {v : final velocity}[/tex]

[tex]\longrightarrow \textsf {u : initial velocity}[/tex]

[tex]\longrightarrow \textsf {a : acceleration}[/tex]

[tex]\longrightarrow \textsf {t : time taken}[/tex]

Solving :

v = u + at

0 = 50 + (-10)t

10t = 50

t = 5 seconds

The tension in the given string of 1.0 g and length of 0.64 m is closest to 2.84 N

The tension in the string at nth harmonic is calculated as follows;

[tex]f_n = \frac{n}{2l} \sqrt{\frac{T}{\mu} }[/tex]

where;

[tex]f_n = \frac{n}{2l} \sqrt{\frac{T}{\mu} }\\\\\frac{f_n(2l)}{n} = \sqrt{\frac{T}{\mu} }\\\\\frac{f_n^2(4l^2)}{n^2} = \frac{T}{\mu} \\\\T = \mu (\frac{f_n^2(4l^2)}{n^2})\\\\T = 0.00156(\frac{100^2 \times 4\times 0.64^2}{3^2} )\\\\T = 2.84 \ N[/tex]

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Answer:

The area under V-t graph gives displacement.

More to know -

Velocity = speed/ time

it's speed with direction.

acceleration = rate of change of velocity

A velocity-time graph provides information about the motion of an object over time Acceleration, displacement, and velocity. The correct option is option (B).

Acceleration: The slope of the velocity-time graph represents the object's acceleration. A positive slope indicates positive acceleration (speeding up), a negative slope indicates negative acceleration (slowing down or decelerating), and a flat line indicates zero acceleration (constant velocity).

Displacement: The area under the velocity-time graph represents the displacement of the object. By calculating the area between the graph and the time axis, we can determine the total displacement.

Velocity: The graph directly shows the object's velocity at different points in time. The vertical position of the graph at any given time represents the object's instantaneous velocity.

Therefore, a velocity-time graph can provide information about the acceleration, displacement, and velocity of the moving object. The correct option is option (B).

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Answer:

The right answer is "thermal energy" or "thermal" or "heat" or "heat energy" or "electricity" or "electrical energy"

Explanation:

Nuclear fuel is used to heat water, increasing its thermal energy. This hot water is used to turn turbines that generate electrical energy.

Nuclear power stations convert the nuclear energy stored in nuclear fuel into thermal energy.

Thermal energy is defined as a type of energy which is contained within a system which is responsible for temperature rise.Heat is a type of thermal energy.It is concerned with the first law of thermodynamics.

Thermal energy arises from friction and drag.It includes the internal energy or enthalpy of a body of matter and radiation.It is related to internal energy and heat .It arises when a substance whose molecules or atoms are vibrating faster.

These vibrating molecules and atoms collide and as a result of which heat is generated in a substance , more the collision of particles , higher is the thermal energy.It has 3 types conduction, convection and radiation.

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Explanation:

hope it will help you understand, if you have any questions just let me know.

The electric potential at the origin of the xy coordinate system is negative infinity

The electric field due to the 4.0 μC charge is E = kq/r² where

The electric field due to the -4.0 μC charge is E = kq'/r² where

Since both electric fields are equal in magnitude and directed along the negative x-axis, the net electric field at the origin is

E" = E + E'

= -2E

= -2kq/r²

So, the electric potential at the origin is V = -∫₂⁰E".dr

= -∫₂⁰-2kq/r².dr

Since E and dr = dx are parallel and r = x, we have

= -∫₂⁰-2kqdxcos0/x²

= 2kq∫₂⁰dx/x²

= 2kq[-1/x]₂⁰

= -2kq[1/x]₂⁰

= -2kq[1/0 - 1/2]

= -2kq[∞ - 1/2]

= -2kq[∞]

= -∞

So, the electric potential at the origin of the xy coordinate system is negative infinity

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Answer:

1 and 3

Explanation:

1 and 3  

Increasing coils increases strength

   COOLING the wire would increase current flow and strength of magnet

Adding an iron core will definitely increase the strength of the electromagnet

(1) Increasing the number of coils (✔)

The final temperature of the given mass of water at the initial temperature is 45.8 ⁰C.

The change in temperature of the water is calculated as follows;

Q  = mcΔθ

Δθ = Q/mc

where;

Δθ = (10,000)/(0.1 x 4200)

Δθ = 23.8

T2 - T1 = 23.8

T2 = 23.8 + 22

T2 = 45.8 ⁰C

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Answer:

- elastic energy of rubber straps → KE of capsule 

- KE → GPE as capsule

Explanation:

The experiment is described below in the explanation.

The specific heat is the amount of heat required to change the temperature by 1°C. It is denoted by C.

Heat lost or gained is represented as

Q = m C ΔT

In a calorimeter, a liquid is filled into the the cup with a temperature. A rod with high temperature is inserted into that liquid.

We use principle of  mixture by putting a heated rod in a liquid and then measuring the rise of temperature of liquid.

So, heat is lost by rod and gained by liquid and colorimeter.

Thus, experiment is described.

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We know that 20 m/s N is a vector quantity because N in the expression signifies the direction

This is a which have both magnitude and direction. Example include:

Thus, we can conclude that 20 m/s N is a vector quantity because it has both magnitude and direction.

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Ohm's Law is a formula used to calculate the relationship between voltage, current and resistance in an electrical circuit.

Equation :

To students of electronics, Ohm's Law (E = IR) is as fundamentally important as Einstein's Relativity equation (E = mc²) is to physicists.

E = I x R

When spelled out, it means voltage = current x resistance, or volts = amps x ohms, or V = A x Ω.

NOTE : Because resistance cannot be measured in an active circuit, Ohm's Law is particularly helpful when determining resistance. The aforementioned application of Ohm's Law allows a technician to calculate R without having to turn the circuit off to measure resistance.

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Answer:

red light light is an electromagnetic wave thats whyy

hope it helped

Explanation:

The action that  humans can take to reduce wave erosion is to build breakwaters in the ocean.

The term erosion has to do with the washing away of top soil either by water or by wind. The control of erosion is a very important soil conservation effort.

Hence, the action that  humans can take to reduce wave erosion is to build breakwaters in the ocean.

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Answer: (C) build breakwaters in the ocean

Explanation: Got it on edge

Answer:

Star Formation

Stars are born within the clouds of dust and scattered throughout most galaxies. A familiar example of such as a dust cloud is the Orion Nebula. Turbulence deep within these clouds gives rise to knots with sufficient mass that the gas and dust can begin to collapse under its own gravitational attraction.

hy XD ~

Answer:

104 kWh

Explanation:

To calculate the kWh you multiply power with the amount of hours.

So for this we take 5200 W × 20 = 104 000 Wh

Then change Wh to kWh so that makes 104 kWh

Answer:

in the thick part of the scissors ✂️

Explanation:

because in physics simple machine called wedge the force applied in this thick area it have thine side used to split or piece objects

The statement that illustrates how progress in engineering has affected the natural environment is extracting mineral resources with modern mining equipment removes fertile topsoil.

The natural environment may be defined as anything that can be present in the surroundings of living entities whether it is a biotic or abiotic factor.

The utilization of contemporary mining tools terminates fertile topsoil and admiringly impacts the fertility of the soil.  It is tough to rebuild topsoil and modern mining tools constantly damage soil fertility.

Advancement in engineering has influenced the natural environment and mining is one of the most accepted measures of this.

The complete question is as follows:

Therefore, it is well described above.

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When the humerus moves in the glenoid fossa, the moving joint surfaces are convex on concave.

This is a bone depression in which the head of the humerus fits into to aid movement and support.

The moving joint surfaces are convex on concave in structure when humerus moves in the glenoid fossa.

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The force of the string at the bottom is greater than the weight of the ball. The correct option is B.

When two or more forces are acting on the system of objects, then the to attain equilibrium, net force must be zero.

A girl at a state fair swings a ball in a vertical circle at the end of a string.

When the ball is at the bottom . the force acting will be

The tension in the string , T = mass x centripetal acceleration + Force of gravity

So, T = m x ac + mg

Thus, the force of the string at the bottom is greater than the weight of the ball.

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[tex]\large\bold{\underline{\underline{Answer:-}}}[/tex]

The cornea is  responsible of refraction light 1/3 in eye.

In addition to the protective function, it plays a fundamental role in the formation of vision. Transparent, it works like a lens over the iris, focusing light from the pupil towards the retina.

Normally, the cornea and lens deflect (refract) incoming light rays, focusing them on the retina. The shape of the cornea is fixed, but the lens changes shape to focus on objects at different distances from the eye.

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Answer:

.5102 s

Explanation:

Net force acting to accelerate the body is 5000- 100 = 4900 N

F = ma

4900 N = 50 kg * a       then a = 98 m/s^2

v= at

50 m/s  =  98 m/s^2  t        then t =  50/98 =.5102 s

The rarest type of galaxies is the elliptical double-ringed galaxy.

elliptical double-ringed galaxy is considered as the rarest type of galaxy because of its small number. The example of such type of galaxy is PGC 1000714. Scientists suggest that about 0.1% of galaxies are of this type.

So we can conclude that the rarest type of galaxies is the elliptical double-ringed galaxy.

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Any type of wetland that has been developed or maintained by humans for uses such as aquaculture, irrigation, or water storage.

Any kind of wetland that has been created or kept up by people for purposes like water storage, irrigation, or aquaculture.

In India's Punjab state, in the Kapurthala district, lies the man-made Kanji Wetland, which includes the Kanji Lake.

In order to give irrigation facilities to the hinterland, it was built by building the headworks over the perennial Bien River, a tributary of the Beas River.

The Sunderbans are India's biggest wetland. The world's biggest mangrove forest includes Sunderban Wetland.

Hence, the human-made wetland​ is an artificial wetland.

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Answer:

E = K Q / R^2

E1 = K Q1 / R1^2 = K * (-6.39 E-9) / .4^2 = -K 39.9 E-9

E2 = K Q2 / R2^2 = K * 3.22 E-9 / .25^2 = K 51.5 E-9

Field will point to right of P since E2 (positive) stronger

E = K (E2 - E1) = 9.0 E9 * (51.5 - 39.9) E-9 = 104 N/C

The electric field at point P is 104.6 N/C.

Every place in space where a charge exists in any form has an electric attribute that can be defined as the electric field.

Here,

q₁ = -6.39 x 10⁻⁹C

q₂ = 3.22 x 10⁻⁹C

Distance from q₁ to P, d₁ = 0.4 m

Distance from q₂ to P, d₂ = 0.25 m

Electric field at P due to q₁, E₁ = k x -6.39 x 10⁻⁹/(0.4)²

E₁ = -39.9 x 10⁻⁹k N/C

Electric field at P due to q₂, E₂ = k x 3.22 x 10⁻⁹/(0.25)²

E₂ =51.52 x 10⁻⁹k N/C

Therefore, total electric field at P,

E = E₂ - E₁

E = (51.52 - 39.9) x 10⁻⁹k

E = 104.6 N/C

Hence,

The electric field at point P is 104.6 N/C.

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The difference between an sa and sb galaxy is Sa has a larger nucleus and more tightly wound arms than an Sb.

Sa galaxies are normal spirals that have narrow, tightly wound arms, which usually are visible because of the presence of interstellar dust and, in many cases, bright stars.

The arms of sb galaxy are more widely spread than those of the Sa variety and appear less smooth.

Thus, the difference between an sa and sb galaxy is Sa has a larger nucleus and more tightly wound arms than an Sb.

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