An unusually high tide is called a _______ tide.

Explanation:

Gravity is the force of attraction between two objects. It depends upon the mass of the objects and the distance between the objects. Mathematically, the force of gravity is given by :

[tex]F=G\dfrac{m_1m_2}{d^2}[/tex]

Where

G is the universal gravitational constant

[tex]m_1\ and\ m_2[/tex] are masses

d is the distance between two masses

So, statement (2) describes gravity "Gravity is the force of attraction between two objects; it is dependent upon the mass of the objects and the distance between the objects".

Answer:

The molecules in the metal are closer than the molecules of the wood. The metal is more compact.                                                  

Explanation:  

Density is  characteristic property of the substance. Density  is the relationship between the mass of the substance with the volume. Metallic bonds are collectively formed It hold molecule together and is high in density. Whereas the wood has molecules which are dispersed.

This makes the metals sink in water than the same size wood. Molecules which are bind together are directly correlated with density, which is high. Metal has high density than wood.

We have that the mass and density are

[tex]m=404.2 g[/tex]

[tex]\rho=0.8084g/cm^3[/tex]

From the Question we are told that

The volume of a ball was measured at 500.0 cm3,

We have that if we are to measure a volume of 500cm^3 we have

mass [tex]m=404.2 g[/tex]

to find Density

[tex]\rho=\frac{m}{v}\\\\\rho=\frac{404.2}{500}[/tex]

[tex]\rho=0.8084g/cm^3[/tex]

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Final answer:

Engine power output is typically measured in horsepower (hp), where 1 hp equals 746 watts (W). The watt is the SI unit for power, defined as 1 joule per second.

Explanation:

The maximum power output of an engine is commonly expressed in a unit known as horsepower (hp). The International System of Units (SI) for power is the watt (W), where 1 W is defined as 1 joule per second (1 J/s). However, in many applications, especially when referring to engines, power is frequently stated in horsepower. To convert horsepower to watts, recall the equivalence that 1 hp equals 746 W.

For instance, the power output of an engine might be specified as 100 hp, which translates to approximately 74.6 kilowatts (kW), since 1 kW equals to 1,000 watts.

Scalars and vectors are different types of physical quantities, with scalars having only magnitude while vectors have magnitude and direction.

Scalars are physical quantities that have only a number value or magnitude, whereas vectors require both magnitude and direction. The number of coins in a piggy bank is a scalar quantity because it only represents the amount without any directional information.

If you double the distance between two large masses, the gravitational force between them decreases by a factor of four.

The law of inverse squares states that the gravitational force is inversely proportional to the square of the separation between the masses. The relationship can be described mathematically as follows:

F ∝ 1 / [tex]r^2[/tex]

where r is the distance between the masses and F is the gravitational force.

The inverse square connection causes the force to decrease to one-fourth of its initial magnitude when the distance (r) is doubled.

Thus, in other words, when the space between the masses is doubled, the gravitational force is reduced by a factor of 4.

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I believe the question talks about displacement and distance. The difference of the two is that displacement is the linear distance or shortest distance drawn from the starting point until the final point while distance is the whole trip that is covered, so the answer is:

Displacement, distance

The correct answer is C.

Answer:

0.403 mL = 403 L

Explanation:

In this question, it is required to convert 0.403 litres to millilitres. We know that the conversion from L to mL is as follows :

1 litre = 1000 millilitres

For converting 0.403 L to ml we need to use above relation.

0.403 L is equal to 0.403 multiplied by 1000 so that we get 403 mL.

So, the correct option is (c) ''403 mL''. Hence, this is the required solution.

The acceleration due to gravity on the surface of the exoplanet is 16 times the acceleration of gravity on Earth's surface.

To find the acceleration due to gravity on the surface of the exoplanet, we can use the information that it has four times the mass and one-fourth the radius of the Earth. Gravitational force is directly proportional to mass and inversely proportional to the square of the radius. Since the mass is four times greater and the radius is one-fourth, the gravitational force would be (4/1)^2 = 16 times stronger. Therefore, the acceleration due to gravity on the surface of the exoplanet would be 16 times the acceleration of gravity on Earth's surface, or 16g.

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The wavelength of the given proton is approximately 6.01 * 10⁻¹⁴ m, and this fits into the gamma rays region of the electromagnetic spectrum. The electromagnetic spectrum ranges from gamma rays to radio waves and the proton's wavelength indicates it being of higher energy.

The wavelength of a proton can be found using the de Broglie wavelength formula:

λ = h / (m*v),

where h is Planck's constant 6.63 * 10⁻³⁴ J*s, m is the mass of the proton and v is its speed. So first convert the speed of the proton from km/s to m/s: 6.21 km/s * 1000 = 6210 m/s.

Then substitute into the formula:

λ = 6.63 * 10⁻³⁴ J*s / (1.67 * 10⁻²⁷ kg * 6210 m/s).

After the calculation, we find that the wavelength of the proton is approximately 6.01 * 10⁻¹⁴ m.

Now, we analyze the region of the electromagnetic spectrum for electromagnetic radiation of this wavelength.

The electromagnetic spectrum ranges from gamma rays (with wavelengths shorter than 10^-11 m) to radio waves (with wavelengths longer than 10⁻¹ m).

The calculated wavelength of the proton, 6.01 * 10⁻¹⁴ m, falls into the gamma rays region of the electromagnetic spectrum and inclines towards the higher energy end.

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The wavelength of a proton traveling at 6.21 km/s, is  approximately 6.37 x 10⁻¹¹ meters, The region of the spectrum for electromagnetic radiation of this wavelength is X-ray region of the spectrum.

To find the wavelength of a proton traveling at a speed of 6.21 km/s, we use the de Broglie wavelength formula:

λ = h / (m × v)

where:

First, substitute the given values into the formula:

λ = 6.626 x 10⁻³⁴  J·s / (1.673 x 10⁻²⁷ kg  x 6210 m/s)

Next, calculate the denominator:

1.673 x 10⁻²⁷  kg  x 6210 m/s = 1.039833 x 10⁻²³ kg·m/s

Then divide Planck's constant by this product:

λ = 6.626 x 10⁻³⁴ J·s / 1.039833 x 10⁻²³ kg·m/s ≈ 6.37 x 10⁻¹¹ meters

Region of the Spectrum

This calculated wavelength corresponds to approximately 6.37 x 10⁻¹¹ meters, which places it in the X-ray region of the electromagnetic spectrum.

When temperature of the object's change, the motion of its particles also change.

Kinetic energy of the constituent particles increased, when temperature is increased, and vise versa.

It is because as temperature increased, the particles get energy and start moving.

Therefore, when temperature of the object's change, the motion of its particles also change.

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The motions of the particles that make up an object change when the object's temperature increases. Because if the object's temperature increases, the particles begin to move faster so the kinetic energy of the particles can go really fast, while the potential energy particles only increase when they go further apart.

Each pulley reduces the extra effort compulsory to lift the elephant (light and 100% efficiency). If the elephant "weighs" 27,800 N and the person can apply 700 N,
27,800 / 700 = 39.7 which is about 40 N. 
The answer that offers a combined # of 40 pulleys is computed by:
40 / 2 = 20

Therefore the answer is 20 fixed and 20 moveable. 

If the same object is raised twice as high, it gains: double the potential energy.

Potential energy (P.E) can be defined as a type of energy possessed by an object (body) as a result of its position (height) above the earth. Thus, potential energy (P.E) is highly dependent on the height above the ground.

Mathematically, potential energy (P.E) is calculated by using the following formula:

[tex]Potential \;energy (P.E) = mgh[/tex]

Where:

Since the height of the object is raised twice as high, it simply means the value of height (h) would be multiplied by two (2) and the potential energy (P.E) would double:

[tex]Height = 2[/tex] × [tex]height[/tex]

[tex]P.E = 2(mgh)[/tex]

In conclusion, raising the same object is raised twice as high, would cause the potential energy (P.E) to double (twice as much as the initial value).

The earths gravity pulls on the moon and keeps it in orbit. The moon's gravity b) pulls back on earth

The force that attracts a body towards the center of the earth, or towards any other physical body having mass is called gravity .

Due to gravity , a gravitation force exists because of which bodies attract each other . Gravitational force is an attractive force that exists between all objects with mass; an object with mass attracts another object with mass; the magnitude of the force is directly proportional to the masses of the two objects and inversely proportional to the square of the distance between the two objects.

Since both earth and moon have mass , the earths gravity pulls on the moon and keeps it in orbit and the moon's gravity pulls back on earth by their gravitation force of attraction and because of gravity

hence, correct option is b) pulls back on earth

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