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Answer:

C

Explanation: Water vapor can turn into liquid water when it cools and Liquid water turns into vapor when it heats

Answer:

the same type because they both formed from rock material.

Explanation:

The rocks which are formed from small pieces of rocks are called sedimentary rocks whereas, the rocks formed from the liquid rocks or molten fluid rock, they are called igneous rocks. Hence, A rock A and B are of different types.

There are broadly three types of rocks namely  sedimentary rocks , igneous rocks and metamorphic rocks. These rocks can be interchanged to another forms through the process called rock cycle.

Sedimentary rocks are formed near the earth surface and which are deep within the earth. Sedimentary rocks are composed many  small pieces of rocks. Thus the rock A is sedimentary rock.

Igneous rocks are formed by the crystallization of molten magma after cooling. These magma are developed underground in the upper mantle. Magma becomes hot by the convection current and it flow making the nearby plates to move. When it cools, it solidifies to form igneous rocks. Thus, rock B is igneous type.

To find more on igneous rocks, refer here:

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Given that,

The attached figure shows an airplane is traveling from North Africa to England.

To find,

The arrow that shows the direction gravity pulls the plane.

Solution,

The force of gravity always acts in the downward direction, The weight of an object is given by :

W = mg

Arrow 2 shows the direction of gravitational pull.

Answer:

2 or B

Explanation:

Answer:

Waves interact with matter in several ways. The interactions occur when waves pass from one medium to another. The types of interactions are reflection, refraction, and diffraction. Each type of interaction is described in detail below.

B.batangas po

Explanation:Yan Lang po Ang Alam ko

Answer:

Honestly I cant understand that so please explain it someone

Explanation:

Answer:

the speed that the car is going at an instant of time is called the instantaneous speed.

Answer:

1.07m/s²

Explanation:

From the question we are given the following

applied force Fapp = 450N

mass of the safe m = 100kg

Weight of the safe W = 980N

coefficient of kinetic friction n = 0.35

Required

Acceleration of the safe

According to Newton's second law

\sum Fx = ma

Fapp - Ff = ma

Ff is the frictional force

Fapp - nmg = ma

450 - 0.35(100)(9.8) = 100a

450 - 343= 100a

107 = 100a

a = 107/100

a = 1.07m/s²

Hence the acceleration of the safe is 1.07m/s²

Answer:

4N

Explanation:

Given parameters:

Weight of stone when immersed in water  = 18N

Weight of water displaced  = 4N

Unknown:

Weight of the stone in air  = ?

Solution:

To solve this problem, we employ the Archimedes' principles.

It states that the upward buoyant force on a body is equal to the weight of the fluid displaced.

The weight of the water displaced is equal to the weight of the body.

So, the weight of the stone in air  = 4N

Answer:

55

Explanation:

was moving at 25 miles per hour

Answer:

a.) volume = 70cm^3

b.) mass = 805 grams

Explanation:

see the explanation in attachment.

Explanation:

Force (F) = 500 N

Distance (d) = 16 m

work done (w) =?

We know that

w = F * d

= 500 * 16

= 8000 Joule.

The bulldozer performs 8000 Joule.

Hope it will help you :)❤

Answer:

option 3

Explanation:

work is said to be the ability to move an object from it initial position. therefore, holding a tray is not a work

Answer:

C

Explanation:

Answer:28m/s

Explanation:I got one point so yeah hope this help

When a car traveling at 10 m/s accelerates at 3 meters/ second² for 6 seconds, then the final velocity of the car would be 28 meters per second.

There are three equations of motion given by  Newton

v = u + at

S = ut + 1/2×a×t²

v² - u² = 2×a×s

As given in the problem, a car traveling at 10 m/s accelerates at 3 m/s^2 for 6 seconds,

the initial velocity of the traveling car = 10 m/s

time =  6 seconds,

acceleration = 3 meters/ second²

With the help of the first equation of the motion, we can calculate the final velocity of the car,

v = u + at

v = 10 + 3*6

v = 28 m/s

Thus, the final velocity of the car would be 28 meters per second.

Learn more about equations of motion from here,

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Answer:

The highest conductance results from;

Large cross-sectional area, short pipe

Explanation:

The conductance, G, of a material is a measure of the rate or ease of electricity conduction of the material

[tex]The \ conductance \ G = Current/(Potential \ difference) = \dfrac{I}{V} =\dfrac{1}{R} = \dfrac{A}{\rho \cdot l}[/tex]

Where;

I = The current

V = The voltage (Potential difference)

R = The resistance

A = The cross-sectional area of the conductor

L = The length of the conductor

ρ = The resistivity of the conductor

Therefore, "G" is directly proportional to "A"  ang "G" is inversely proportional to "l" from which we have that as the cross-sectional area increases the conductance increases and as the length of the pipe decreases the conductance increases.

The highest conductance is given by a large cross-sectional area and a short pipe.

Answer:

Large cross-sectional area, short pipe

Explanation:

Answer:

False

Explanation:

Speed is the time rate at which an object is moving along a path, while velocity is the rate and direction of an object's movement.

Answer:

The volume of water is 3.5 cubic meter

Explanation:

Density

The density of a substance or material is the mass per unit volume. The density varies with temperature and pressure.

The formula to calculate the density of a substance of mass (m) and volume (V) is:

[tex]\displaystyle \rho=\frac{m}{V}[/tex]

We are given the density of water as [tex]\rho=1,000\ kg/m^3[/tex].It's required to find the volume of m=3,500 kg of water. Solving for V:

[tex]\displaystyle V=\frac{m}{\rho}[/tex]

[tex]\displaystyle V=\frac{3,500}{1,000}[/tex]

[tex]V=3.5\ m^3[/tex]

The volume of water is 3.5 cubic meter

Answer:

Formular of kinteic energy is 0.5 × (mass x velocity)²

0.5 × 2500 kg × 35² =1,531,250 jules

209.236 kg · m/s

Math

Pre-Algebra

Order of Operations: BPEMDAS

Physics

Momentum

Momentum Formula: P = mv

Step 1: Define

m₁ = 87.2 kg

v₁ = 2.87 m/s

m₂ = 0.0520 kg

v₂ = 789 m/s

Step 2: Find Momentums

Football Player

Bullet

Step 3: Find difference

Answer:

209.236

Explanation:

Order of Operations: PEMDAS

"Please excuse my dear Aunt Sally"

Parentheses, exponents, multiplication, division, addition and subtraction

First use p=mv

Player:(plug in the data)

= 87.2*2.87

= 250.264

Bullet : (do the same)

Then subtract Bullet-Player =209.236

Explanation:

The speed of rotation of Venus is slower than that of Earth that is why a day on Venus is longerthan Earth's day. Whereas, Venus is closer to sun than Earth, this means Venus trajectory of revolution is smaller than that of Earth.Therefore, a year on Venus is shorter than Earth's year.

Answer:

2. F g decreases to 1/9

Explanation:

The formula for calculating the Force of gravity between two masses separated by a distance is expressed as;

F = GMm/d² ... 1

If the distance is tripled, the new force will be;

F1 = GMm/(3d)²

F1 = GMm/9d² ... 2

Divide equation 1 by 2

F/F1 = GMm/d²÷GMm/9d²

F/F1 = GMm/d²×9d²/GMm

F/F1 = 1 * 9

F = 9F1

F1 = 1/9 F

This means that the new force decreases to 1/9

Answer:

physical

Explanation:

Answer:

Coriolis Effect

Explanation:

The Coriolis effect is responsible for the deflection of winds to the right in the Northern hemisphere and to the right in the Southern hemisphere. It is an effect that occurs because of the rotation of the earth around its axis.

The implication of this is that in areas of low pressure in the Northern hemisphere, winds tend to blow in anticlockwise direction, and in areas of high pressure, it blows in a clockwise direction. The opposite of this happens in the Southern hemisphere.

Answer:True

Explanation:there are approximately 29.531 on the new moon and and 7.31 I think for the first quarter then it’s 7 days between them if u calculate their sped that light travels and that number it might be the same but the statement is true not false

Answer:

The full cycle of moon phases averages 29.531 days. A quarter of that is 7.38 days. So "7 days" is a pretty good approximation for casual conversation. It's true.

Explanation:

uh i think that was my explanation soooooo like yall have a good day and if you are working at 1am just know it is not gonna be so hard one day it is gonna get better hehe

Answer:

P = 15 [W]

Explanation:

Power is defined as the relationship between work over a certain time.

In this way we must calculate the work which is defined as the product of force by distance.

[tex]W=F*d\\W=75*20\\W=1500[J][/tex]

And the power.

[tex]P=W/t\\P=1500/100\\P=15[W][/tex]

Power given in units of watts.

Copper is not magnetic

Steel is magnetic

Nickel is magnetic

Tin is magnetic

Aluminum is not magnetic

Answer:

gravity and friction

Explanation:

Answer:

[tex]F=1.98\times 10^{20}\ N[/tex]

Explanation:

Given that,

The mass of a Moon, [tex]M_m=7.35\times 10^{22}\ kg[/tex]

The mass of the Earth, [tex]M_e=5.98\times 10^{24}\ kg[/tex]

The moon's mean orbit distance around the earth is, [tex]r=3.84\times 10^8\ m[/tex]

We need to find the gravitational force exerted on the moon by the Earth.

The formula of gravitational force is given by :

[tex]F=G\dfrac{M_mM_e}{r^2}\\\\F=6.67\times 10^{-11}\times \dfrac{7.35\times 10^{22}\times 5.98\times 10^{24}}{(3.84\times 10^8)^2}\\\\F=1.98\times 10^{20}\ N[/tex]

So, the required force is [tex]1.98\times 10^{20}\ N[/tex].