Which is an example of a solution?
OA.
flour and water
B.
sand and water
C.
salt and water
D.
oil and water
E.
ice and water

Answer:

About 79 lbs (pounds)

Explanation:

Answer:

Increase in strength of hurricanes

Explanation:

A possible result of rising ocean temperatures caused by global warming is increase in strength of hurricanes.

Global warming is an environmental concern characterized by the gradual increase in the Earth's atmospheric temperature.

Global warming can lead to the rise of temperature in air and oceans as well.

One consequence of an increase in ocean temperature is that the strength of hurricanes, which is strong wind accompanied by rain, will be increased.

Therefore, a possible result of rising ocean temperatures caused by global warming is increase in strength of hurricanes.

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Answer:

It is transverse wave

Explanation:

Explanation:

yes, it's a transverse wave

hope it helps you

Frog belong to the spot 'c'

a branching diagram show the evolutionary relationships among various biological species based upon similarities and differences in their morphological or genetical characteristics.

Hence the frog is correct answer.

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Answer:

The force exerted by the rope on the bucket of water is 66.195 N.

Explanation:

Given;

mass of the bucket, m = 4.5 kg

acceleration of gravity, g = 9.81 m/s²

upward acceleration of the bucket, a = 4.9 m/s²

The upward force applied on the bucket by the rope is calculated as;

F = ma + mg

F = m(a + g)

F = 4.5(4.9 + 9.81)

F = 4.5(14.71)

F = 66.195 N

Therefore, the force exerted by the rope on the bucket of water is 66.195 N.

Answer:

Miter joint

Explanation:

Made by fastening together usually perpendicular parts with the ends cut at an angle

Answer:

Because the sun gives off a type of light that carries energy, and light from the desk lamp does not.

Explanation:

All of the energy from the Sun that reaches the Earth arrives as solar radiation, part of a large collection of energy called the electromagnetic radiation spectrum. Solar radiation includes visible light, ultraviolet light, infrared, radio waves, X-rays, and gamma rays. Radiation is one way to transfer heat.

Answer:

if you look it up i think u can find it it could be a mealltiod  Co 27

Explanation:

Answer:

It is gymnastics.

Answer:

machine

Explanation:

Answer:

The fundamental frequency at which the sound of speakers at the microphone produce constructive interference is 801.076458 Hz

Explanation:

For a given arrangement having constructive interference, we have;

R₁ - R₂ = 2·x = 0 + n·λ

The distance from one speaker to the microphone. R₁ = 4.50 m

The distance between the two speakers = 2.00 m

The angle formed between the direction from the microphone to the speaker closest and the directional path between the speakers = 90°

Therefore, by Pythagoras's theorem, the distance from the speaker furthest from the microphone, to the microphone, 'R₂' is given as follows;

R₂ = √(4.50² + 2.00²) = √(24.25) = 4.9244289009 ≈ 4.924

∴ R₂ ≈ 4.9244289 m

R₂ - R₁ = 4.9244289 m - 4.5 m = 0.4244289 m

For constructive interference, R₂ - R₁ =0.4244289 m = n·λ

For n = 1, we have;

R₂ - R₁ =0.4244289 m = n·λ = 1 × λ = λ

λ = 0.4244589 m

f = v/λ = 340 m/sec/(0.4244289 m) ≈ 801.076458 Hz

Therefore the lowest possible fundamental frequency at which the speakers produce constructive interference, f = 801.076458 Hz

The frequency at which the speakers produce a constructive interference is 801.076 Hz.

Given here,

[tex]R_1[/tex]- The distance from one speaker to the first microphone = 4.5 m

[tex]R_2[/tex] - The distance between microphone and second speaker = ?

The distance between the speakers = 2 m

From Pythagorean theorem,

[tex]R_2= \sqrt {4.50^2 + 2.00^2}\\\\R_2 = \sqrt{24.25} \\\\R_2= 4.924[/tex]

So,

[tex]R_2 - R_1 = 4.9244 \, {\rm m} - 4.5 \, {\rm m} \\\\R_2 - R_1 = 0.4244 \, \rm m[/tex]

For constructive interference,

[tex]R_2 - R_1 = m\lambda[/tex]

Since, m = 1

λ = 0.4244 m

Now, frequency can be calculated by the formula,

[tex]f = \dfrac v\lambda[/tex]

So,

[tex]f = \dfrac {340{\rm \ m/sec}}{(0.4244\; \rm m) }\\\\f = 801.076{\rm \ Hz}[/tex]

Therefore, the frequency at which the speakers produce a constructive interference is 801.076 Hz.

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Answer:

The golf ball has a greater mass than the foam ball

Explanation:

Answer:

The First law of motion

Explanation:

The firat law states that an object either remains at rest or continues to move at a constant velocety unless acted upon by an external force

Answer:

False

Explanation:

Pascal is a pressure of one newton per square metre, or, in SI base units, one kilogram per metre per second squared.

Pa = N/m^2

Answer:800

Explanation:about

Answer:

650......................

Answer:

Mass is proportional to gravity and gravity is necessary to hold an atmosphere, therefore mass would seem to be very important for the ability for a body to have an atmosphere. However there are quite a few examples that show that it doesn't require that much mass to get an atmosphere.

Explanation:

Answer + Explanation : Mass is proportional to gravity and gravity is necessary to hold an atmosphere, therefore mass would seem to be very important for the ability for a body to have an atmosphere.

Given :

Our weight is 600 Newton on the earth.

To Find :

How far should you go from the center of the earth so that it will be 300 Newton​.

Solution :

Acceleration due to gravity at depth d is given by :

[tex]g' = g( 1 - \dfrac{d}{R_e})[/tex]

At earth surface, mg = 600 N   ...1)

At depth d, mg' = 300 N            ...2)

Dividing 1) and 2), we get :

[tex]\dfrac{g}{g'} = \dfrac{600}{300}\\\\\dfrac{g}{g'} = 2\\\\g = 2g'\\\\g = 2\times g\times ( 1 - \dfrac{d}{R_e} )\\\\1 - \dfrac{d}{R_e} = \dfrac{1}{2} \\\\d = \dfrac{R_e}{2}[/tex]

Therefore, we should go in the depth of distance half the radius of earth.

Answer:

200

Explanation:

has to be long this us just random words anseer is b. 100

Answer: freezing

Explanation:

Answer:

What is the acceleration of an object moving at a constant speed?

The Meaning of Constant Acceleration

The data table above show an object changing its velocity by 10 m/s in each consecutive second. This is referred to as a constant acceleration since the velocity is changing by a constant amount each second.

Answer:

there is no acceleration for an object moving with constant speed

Explanation:

it is because acceleration is change in velocity and constant means same or without any change so there is no acceleration for an object which is moving with same speed

hope it helps:)

Answer:b but thats what I think

Explanation:

Answer: D. When you are not an expert in the field being studied in the

Explanation: D. When you are not an expert in the field being studied in the

Answer:

The planets spun in epicycles.

Explanation:

Ptolemy's model used to explain that the planets spun in epicycles.

What is Ptolemy's model? How it was explained?

           Ptolemy placed the Earth at the center of the geocentric model. The system of planetary motions according to which the earth is at the center with the sun, moon, and planets revolving around it and each orbit except for the sun and moon is composed of a principal circle upon which moves a smaller circle carrying the planet. As he knows about the planetary motions and ideas about the universe was a set of spheres that surrounds the earth. He also believed that the moon has the orbit which is closest to the earth, the Mercury , the Venus and the sun.

      According to Ptolemy he considered and mentioned completely about 48 constellations.

Hence, Option A is the correct answer.

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Answer:

D

Explanation:

Just did it

The particles model of light supports the the photoelectric effect, where, light in the form of tiny packets called photons when hit on a metal surface it ejects electrons.

Photoelectric effect is discovered by Albert Einstein. When a light ray hit on a solid surface, the photon or light particle emits from the surface which is having the equal energy as that of the incident photon.

According to wave -particle duality of matter, light can exhibit both particle and wave nature. If light behaves as a particle of specific energy, the light particle is called photon.

Stars emit light in different wavelengths of visible light at different temperatures. The wavelength is equal to the speed of light divided by the frequency. The excitation of electron depends on the temperature also. This effect indicating the particle nature of light.

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Answer: A.

Explanation:

Answer:

Burning wax

Explanation:

because in burning, wax reacts with oxygen present in the surrounding and forms carbon dioxide and ash