How can someone, like myself, share roughly 50% of their DNA with a 1st Cousin?

Your answer:​

Answer:

True

Explanation:

An object at rest will stay at rest unless acted on by an unbalanced force.

Answer:

Nuclear fusion is difficult to achieve because at low temperatures and pressures  the positively charged nuclei of deuterium and tritium electrostatically  each other is explained below in complete details.

Explanation:

For nuclear fusion to happen, very eminent temperatures are needed to succeed the opposing force between the positively energized nuclei of a specific isotope.  Fusion doesn't release dangerous toxins like co2 or other greenhouse gases into the environment. Its significant by-product is helium: an inactive, non-toxic gas. No long-lasting radioactive ruin: Nuclear fusion reactors generate no high action, long-lived nuclear ruin.

Answer:

repel

Explanation:

its called electrostatic repulsion

Answer:

a. La ciencia.

Explicación:

El método científico de la física experimental y su búsqueda de respuestas tiene un principio básico que es la ciencia. La ciencia es la aplicación del conocimiento del mundo natural y social siguiendo una metodología sistemática basada en evidencias. Sin evidencias no hay aceptación de la observación ni se debe hacer teoría porque la evidencia es el principal criterio para aceptar o rechazar una hipótesis.

Answer:

Both eggs are identical. The aim is to find out the highest floor from which an egg will not break when dropped out of a window from that floor. If an egg is dropped and does not break, it is undamaged and can be dropped again. However, once an egg is broken, that's it for that egg.

Answer:50kg

Explanation:

The current in the load will be 10 A.

given,

resistance of the load (R) = 6.5Ω

voltage in the load (V) = 120V

Back emf in the load (E)= 108V

now to measure current we will use the formula

current (I)= {voltage (V)-Back emf (E)}/resistance(R)

now as the speed is halved so will the back electro motive force will be halved.

i.e.

back  electro motive force will be =  108V/2

=54V

now,

substituting this value in the formula we get,

current (I) = (120-54)/6.5

current (I) = 66/6.5

current (I) =10A

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Answer:

See image and explanation

Explanation:

A simple pendulum consists of a string to which a bulb is attached and the string is tied to a support. The string swings from one end to the other as shown.

At the both ends, the energy of the pendulum is all potential. Hence we have 100J potential energy at both ends.

When the pendulum is in motion, the energy is all kinetic at the center of motion. Hence at that point, we have 100J kinetic energy.

In between both extremes the energy is both kinetic and potential as shown. The total energy is this a summation of the two.

Answer:

A simple pendulum consists of a string to which a bulb is attached and the string is tied to a support. The string swings from one end to the other as shown.

At the both ends, the energy of the pendulum is all potential. When the pendulum is in motion, the energy is all kinetic at the center of motion.

In between both extremes the energy is both kinetic and potential as shown. The total energy is this a summation of the two.

Answer:

2.64 m/s

Explanation:

Given that a 600 kilogram great "yellow" shark swimming to the right at a speed of 3 meters traveled each second as it tries to get lunch. An unsuspecting 100 kilogram blue fin tuna is minding its own business swimming to the left at a speed of 0.5 meters traveled each second. GULP! After the great "yellow" shark "collides" with the blue fin tuna

Momentum = MV

Momentum of the yellow shark before collision = 600 × 3 = 1800 kgm/s

Momentum of the tun final before collision = 100 × 0.5 = 50 kgm/s

Total momentum before collision = 1800 + 50 = 1850 kgm/s

Let's assume that they move together after collision. Then,

1850 = ( 600 + 100 ) V

1850 = 700V

V = 1850 / 700

V = 2.64285 m/s

Therefore, the momentum of the shark after collision is 2.64 m/ s approximately

Answer:

There is a blue sky with clouds

There is cracks in the ground and the ground is brown

There is stuff in the dictance

Explanation:

Hope this helps

Edwin Hubble was the astronomer which measured the motion of stars in the sky and is therefore denoted as option D.

This refers to an aspect of a science called natural science and is the study of celestial bodies such as the moon, stars etc and the different phenomena which occurs between them.

An astronomer called  Edwin Hubble was responsible for the measurement of the motion of stars through when he was in the process of the formulation of his law which involves the determination of distances to galaxies and quasars which is therefore the reason why option D was chosen as the correct choice.

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Answer:

Parallel circuits :)

The Average Speed of the Porg is 3.8 m/s.

Let us say that the initial speed is u which is equal to 0.8 m/s and the final speed of the porg to be v which is equal to 6.8 m/s.

The total time period of the motion is given to us as 5 seconds. Let us represent the acceleration of the body as a, acceleration of the body given is 1.2m/s².

Here since the direction of the motion is not changing and the acceleration is constant, we can use the kinematic equations of motion.

Let say that the body covers distance d in 5 seconds.

To find the distance covered by the body we will use the equation,

v²-u²=2da

Putting all the values,

(6.8)²-(0.8)²²=2(1.2)d

46.24 - 0.64 = 2.4d

45.6 = 2.4d

d = 19m

The distance covered by the porg is 19 meters.

Now let say Average Speed is S.

As we know, the average speed of the body (S) = Total distance covered(d)/total time taken(t)

S = d/t

Average speed = 19/5

Average sped = 3.8 m/s.

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Explanation:

Black or Dark color clothes are good absorbers of heat. The heat from the sun is absorbed by the black shirt, thus making the shirt warmer. The sunlight here is source of heat. The amount of heat absorbed can be calculated according to the stephan's law.

The scientific experiment is limited due to common sources of errors.

The use of unreliable measurement equipment is one of the causes of incorrect data . Instrumental, environmental, procedural, and human errors are frequent causes. Depending on how they impact the outcomes, each of these mistakes can either be random or systematic. Additionally, mistakes might be made when capturing observations or data. In doing an experiment on the exchange of energy between colliding objects, something unexpected happened.

In this experiment, the observation technique or the equipment used to record the data are wrong, which gives us false findings, leading us to the conclusion that the scientific experiment is constrained by the usage of the same observation technique and instrument.

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Answer:

[tex]\textbf {Engine}[/tex]

Explanation:

Electric motor in cars is an example of electromagnetic device.

Answer:   The greatest force of gravity on the ball will occur at the point when the ball is near to hit the ground ... hope this helps have a good day :P

Answer:

The force is of the weight 862,4 Newtons.

Explanation:

We have the formula:

w = m * g

Data:

w = weight = ¿?

m = mass = 88 kg

g = gravity = 9,8 m/s

Replacing according formula:

w = 88 kg * 9,8 m/s

Resolving:

w = 862,4 N

Answer:

oooh thanks

Explanation:

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

Answer:

awwww thx you are to :)

Explanation:

Answer:

 its not long dummy, its your imagination

Explanation:

Answer: Created Fall 2016 by Ronald Wilson Inductive reasoning uses a set of specific observations to reach an overarching conclusion; it is the opposite of deductive reasoning. So, a few particular premises create a pattern which gives way to a broad idea that is likely true.

Explanation: No explanation lol. But I hope this is helpful!

Thomson could not observe any deflection of the beam due to gravitation.

Cathode ray refers to the beam of electrons that moves from the negatively charged cathode to the positive anode at the other end of the pipe.

J. J. Thomson demonstrated that the identical beam deflections produced tubes with cathodes composed of varied materials and containing a range of gases prior to evacuation.

The gravitational force is approximately 10⁴⁰.

The movement of the light beam shouldn't be impacted because it is 10²⁸ times weaker than the electric force.

Thomson was unable to detect any gravitational beam deflection.

Thus, Thomson could not observe any deflection of the beam due to gravitation.

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Answer:

Power

Explanation:

Power is defined as the rate of doing work with reference to the time spent and the formula is force multiplied by velocity.

In this case, if two people lift identical stacks of books the same distance and one person does the job twice as fast, then it means the velocity in the case is doubled which will also lead to an increase in the Power .

The formula for power is Work divided by time taken, so P=W/T.

That case, involved power, since one of the people did work twice as fast, but, it was the same amount of work each person did, for the same distance (not exact distance, but usually the same)

Electron , photon and proton carry energy which is option (a) , (b) ,(c)

Photons are massless, but they have energy [tex]E = hv= \frac{hc}{\lambda}[/tex]

Here 'h' is called Planck's constant .

For electron and proton energy is given by

 [tex]E=\frac{1}{2} \times mv^2[/tex]

Where m is the mass of the particle and v is the speed of particle .

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Answer:

675J

Explanation:

Given parameters:

Force  = 45N

Distance  = 15m

Unknown:

Work done by Sheila  = ?

Solution:

Work done by a body is the amount of force applied to make a body move through a distance;

         Work done  = Force x distance

 Now;

          Work done  = 45 x 15  = 675J

Answer:

Explanation:

When the sun rises every morning, it brings light and heat into earth. Plants need energy to live, so they convert the sun's light into chemical energy. (photosynthesis). Then animals eat those plants. Without the sun, we would not have any food, and very little sources of light.

Answer:

You need a motor and a battery

Explanation:

The currents through 4 ohm, 2 ohm and 5 ohm are 0.42 amp, 0.15 amp and 0.26 amp respectively.

Kirchhoff's Current Law states that no charge is lost and that the total current flowing into a junction or node equals the charge leaving it.

Kirchhoff's Voltage Law states that for any closed network, the voltage around a loop is equal to the total of all voltage drops in that loop and is equal to zero.

Let the current through 4 ohm is I₁.

the current through 2 ohm is I₂.

Applying Kirchhoff's Current Law, current through 5 ohm is I = I₁ + I₂.

Applying Kirchhoff's Voltage Law in two loops we get:

4 I₁ + 5(I₁+I₂) = 3

2I₂ + 5(I₁+I₂) = 1

Hence, I₁ = 0.42 amp

I₂ = - 0.15 amp

I₃ = 0.26 amp

Hence, the currents through 4 ohm, 2 ohm and 5 ohm are 0.42 amp, 0.15 amp and 0.26 amp respectively.

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According to the scientific method, you have to make observations and ask questions before you can form a hypothesis.

The scientific method is a series of steps or procedures which scientists follow in their process of discovery and explanation of the natural world or natural phenomena.

The scientific method consists of the following steps:

In conclusion, observations and questions are important before formulation of hypothesis.

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