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Answer:

A river delta is a landform created by deposition of sediment that is carried by a river as the flow leaves its mouth and enters slower-moving or stagnant water. This occurs where a river enters an ocean, sea, estuary, lake, reservoir, or another river that cannot carry away the supplied sediment.

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Answer:

Diameter

Explanation:

I know that circumference is dependent, so diameter has to be independent

The circumference is dependent, so diameter has to be independent.

Even though everything can be almost always related to its reason, when we talk about two related things, there might happen that one of those things is dependent on other.

If a variable is taking its values independently of any visible direct cause, then that variable is called independent variable.

Diameter is the line from one point in the circle to the other point through the center of the circle.

The circumference of the circle that has a radius of r is the product of diameter to the pie value.

The circumference is dependent, so diameter has to be independent.

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Answer Bdote means “where two waters come together.” While bdote can refer to any place where waters converge, many Dakota people consider this location as a sacred place of creation, identifying themselves as the Wicahpi  Oyate (Star Nation) who originated in the sky and came into being on this land.

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Answer:

2.29m

Explanation:

Given parameters:

Mass of the coconut  = 1.4kg

Final velocity  = 6.7m/s

Initial velocity  = 0m/s

Unknown:

Height of the coconut initially  = ?

Solution:

To solve this problem, we use one of the kinematics equation. The one given below is the best one to use.

   V²  = U²  + 2gH

V is the final velocity

U is the initial velocity

g is the acceleration due to gravity

H is the height

 So;

            6.7²  = 0²   + (2 x 9.8 x h)

           44.89  = 19.6h

                   h  = 2.29m

The magnitude of the quantity and its direction.

Answer:

Electromagnetic waves only

Only electromagnetic waves can travel through space. hence option A is correct.

Electromagnetic waves are the waves associated with photon. Photons carry  electromagnetic waves. it has both electric field and magnetic field perpendicular to each other.

when input of the Dipole antenna is connected to the electric signals having certain frequency. on first half cycle one pole is on positive potential and other is on negative potential. The pole which is at negative potential attracts all the electrons towards it and the pole which is at positive potential attracts positive holes. In the second half cycle polarity of the poles changes and it happen repeatedly, Due to change in polarity of the dipole of the antenna, electrons in the antenna produces electromagnetic waves which we use it for our radio station and mobile phones.

Electromagnetic waves does not require any medium to travel, it can travel through space(vacuum). Waves travels in the medium but there is no medium in the space, but electromagnetic waves are able to travel in the vacuum so scientist named the space as medium of ether.

Hence option A is correct.

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Answer:

4 x 10⁶m/s²

Explanation:

Given parameters:

Initial velocity  = 0m/s

Time  = 0.0001s

Final velocity  = 400m/s

Unknown:

Acceleration of the object  = ?

Solution:

Acceleration is the rate of change of velocity with time;

 Acceleration  = [tex]\frac{Final velocity - Initial velocity }{Time }[/tex]  

 Acceleration  = [tex]\frac{400 - 0}{0.0001}[/tex]   = 4 x 10⁶m/s²

Answer:12.5

Explanation: Subtract

Answer:

A

Explanation:

The amplitude of a sound wave determines its loudness or volume. A larger amplitude means a louder sound, and a smaller amplitude means a softer sound.

Answer:

It will be more

Explanation:

Pressure and volume relationships between gases is given by the Boyle's law.

According to this law, we know that:

  "the volume of a fixed mass of a gas varies inversely as the pressure changes if the the temperature is constant".

So, the higher the pressure on a body, the lower it's volume and vice versa.

Since we set off at a higher pressure and wants to end at a lower pressure, the volume of the gas will increase more.

Answer:

450......

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

Answer: the density changed, the salt dissolved in the water, the salt and the water can still be separated into their individual molecules.

Explanation: physical changes are changes in size, shape, or state. Another way to think about a physical change is any change not involving a change in the substance’s chemical identity. You cannot write a chemical equation for salt water because the chemical identity is still salt AND water

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Answer:

In physics, power is the amount of energy transferred or converted per unit time. In the ... Power (physics) ... Angular acceleration / displacement / frequency / velocity. show. Scientists ... Hence the formula is valid for any general situation. ... because they define the maximum performance of a device in terms of velocity ratios

Explanation:

Answer:

[tex]T_f=20.03^{\circ} C[/tex]

Explanation:

Given that,

The specific heat capacity of iron is 450.5 J/g°C

The mass of block of iron, m = 15.5 kg

Initial temperature, [tex]T_i=20^{\circ} C[/tex]

Heat required, Q = 250 J

We need to find the final temperature of the iron. The formula for heat required is given by :

[tex]Q=mc\Delta T\\\\Q=mc(T_f-T_i)\\\\\dfrac{Q}{mc}=(T_f-T_i)\\\\T_f=\dfrac{Q}{mc}+T_i\\\\T_f=\dfrac{250}{15.5(450.5)}+20\\\\T_f=20.03^{\circ} C[/tex]

So, the final temperature of the iron is [tex]20.03^{\circ} C[/tex].

Answer:

c - the frequency of the waves decreases

Answer:

It would be C

Explanation:

The brain operates on two levels, one of them is unconscious.

Earth's rotation and spherical shape cause winds to veer to the right (in the northern Hemisphere) or to the left (in the southern Hemisphere) of the direction they want to go.  This is known as the Coriolis effect.

If you didn't know that you're on a rotating Earth, and you looked at the patterns of the winds, you'd think there's some kind of force that's making the airflow veer to the right or left of the direction it actually wants to go.  This is known as the Coriolis force.  It's a"pseudo force", because it doesn't really exist.  It only LOOKS like it's there, because of the Earth's rotation and spherical shape..

The statement "Earth's rotation causes winds to veer to the west or to the east" is true about the Coriolis effect.

Fluid materials such as wind and ocean currents take different directions depending on the hemisphere, this movement of deviation is called the Coriolis effect.

Therefore, we can conclude that the force that tends to deflect the trajectory of objects moving across the entire earth's surface is known as the Coriolis effect.

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Answer:

(A) Fossil Fuels

Answer:

Fossil Fuels

Explanation:

That’s what CK12 told me

Answer:

m = 15 kg

Explanation:

p = m × v

90 = m × 6

6m = 90

m = 90/6

m = 15 kg

Answer:

Explanation:

Acceleration is the time rate of change, or the rate, of the velocity. Therefore, the slope y/x of a speed vs time graph would give the acceleration. If the acceleration is said to be positive, the graph would be a straight line that is at a constant increase over time.

Answer:

41

Explanation:

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Answer:D.Compound

Explanation: internet

Answer:

f this bs

Explanation:

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Answer: PLEASE GIVE BRIANLIEST

1. Archimedes Principle

2. Avogadro’s Law

3. Ohm's Law

4. Newton’s Laws (1642-1727)

5. Coulomb’s Law (1738-1806)

6. Stefan’s Law (1835-1883)

7. Pascal’s Law (1623-1662)

8. Hooke’s Law (1635-1703)

9. Bernoulli's Principle

10. Boyles's Law

11. Charles's Law

12. Kepler's Law

13. Law of conservation of energy

14. Tyndall effect

15. Graham’s Law

Answer:

When something is lifted, work is done on the object against the pull of gravity. This work is converted to a form of potential energy called gravitational potential energy. When the item falls towards Earth like an apple from a tree, gravitational potential energy is converted into kinetic energy.

Answer:

2 seconds

Explanation: