limestone which physical property contributes to its usefulness and how?

Answers

Answer 1

The limestone is hard and compact and can be grinded into fine grained calcareous rocks and this contributes to its usefulness.

What are limestones?

Limestone is a type of sedimentary rock that is mainly made up of mineral calcite (calcium carbonate, CaCO3).

Their physical properties include the following;

it can be yellow or colourless

it has coarse to fine grain size

Therefore, the limestone is hard and compact and can be grinded into fine grained calcareous rocks and this contributes to its usefulness.

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Related Questions

find the energy u of the capacitor in terms of c and q by using the definition of capacitance and the formula for the energy in a capacitor.

Answers

The energy stored in a capacitor is determined as  ¹/₂Q²/C.

Energy stored in a capacitor

The energy stored in a capacitor is determined from the following formulas as shown below;

U = ¹/₂Q²/C

Where;

Q is the chargeC is capacitanceU is energy stored.

Thus, the energy stored in a capacitor is determined as  ¹/₂Q²/C.

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Use wave equation calculate the speed of sound in the air if frequency of 110 hz has a wave length of 3 m

Answers

Answer = 330 m/s

The wave equation is as follows:

Wave speed = wavelength x frequency

The known values are:
Wavelength = 3m
Frequency = 110 Hz

Substitute the known values into the wave equation to find the wave speed.

Wave speed = 3 x 110

Wave speed = 330 m/s


How many groups are in the modern periodic table?

Answers

Answer:

18 groups are in the modern periodic table

Answer:

There's 18 groups I'm pretty sure

what is true about solar system densities

Answers

The statement that is true about solar system densities is The denser planets lie closer to the Sun while the farther one planets from the sun have lower densities.

What is solar system?

Solar system comprises of the the planets, moon, stars, comets , smaller bodies and how they orbit around the sun.

Therefore, The statement that is true about solar system densities is The denser planets lie closer to the Sun.

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Derive that efficiency is the ratio of output and input work.​

Answers

Answer:

The efficiency of a simple machine is defined as the ratio of useful work done by a machine (output work) to the total work put into the machine (input work). For ideal or perfect machine, work output is equal to the work input.

Explanation:

Hope it Helps!!!

A train travels 8.81 m/s in a -51.0° direction. The train accelerated for 2.23 s, changing its velocity to 9.66 m/s in a 37.0° direction. What is (delta)x? ​

Answers

The value of the [tex]\rm \triangle x[/tex] will be 29.14 m. Delta represent the change.

What is velocity?

The change of distance with respect to time is defined as speed. Speed is a scalar quantity. It is a time-based component. Its unit is m/sec.

The velocity in the part 1;

V₁ = 8.81

The velocity in the part 2;

V₂ = 9.66 m/sec

The resultant of the two vectors of velocity gives the velocity for the connecting path.

[tex]\rm V = \sqrt{8.81 ^2 + 9.66^2 } \\\\ V= 13.07 \ m/sec[/tex]

The  time period for the train accelerates;

[tex]\rm \triangle x = v \times t \\\\ \triangle x = 13.07 \ m/sec \times 2.23 \ sec \\\\ \triangle x = 29.14 \ m[/tex]

Hence the value of the [tex]\rm \triangle x[/tex] will be 29.14 m.

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Answer:

the answer is 14.77 for ∆x

the answer for ∆y is 1.16

write the function of force​

Answers

Answer:

Force can make a body that is at rest to move. It can stop a moving body or slow it down. It can accelerate the speed of a moving body. It can also change the direction of a moving body along with its shape and size.

You have a wooden bench in your living room. You set your backpack on the bench and lean your hand against the wall. Name two action-reaction pairs that are present in this situation

Answers

The action-reaction pairs in the given situation are:

the backpack and the bench the and and the wall

What are action-reaction pairs?

Action-reaction pairs are two forces which are equal but oppositely directed in their line of action.

Action-reaction pairs are according to Newton's third law of motion.

The action-reaction pairs in the given situation are:

the backpack and the bench the and and the wall

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what will be the effect on the weight of displaced water if the load is added into the ship floating in the ocean?write with reason.​

Answers

Answer:

the weight of displaced liquid is equal to the submerged part of ship. so on adding more weight to ship net buyoncy acting on ship increases and more the ship sinks in sea thus weight of displaced liquid increases.

Explanation:

How would the number 13,900 be written using scientific notation?
a. 13.9 x 104
C.
b. 1.39 x 104
1.39 x 10³
d. 1.39 x 105
Which one is it??

Answers

Answer:

um d. but I am guessing this ans

Which moon shows evidence of rainfall and erosion by some liquid substance?.

Answers

Answer:

Titan.It is the largest moon of Saturn

why do areas with low altitude have warmer air than areas with high altitude

Answers

Answer:

Air at higher altitude is under less pressure than air at lower altitude because there is less weight of air above it, so it expands (and cools), while air at lower altitude is under more pressure so it contracts (and heats up).

Explanation:

Hope that helped

A passenger is running inside a stationary train with some speed and looks at the person standing on the platform. Describe the motion of the person standing on the platform with respect to the running passenger.

Answers

Answer:

Doppler effect

Explanation:

this means that at one point when the person running is close to the observer it will appear to run fast but slower as he moves away from the observer

A passenger is running inside a stationary train at some speed and looks at the person standing on the platform, then the person standing on the platform seems to be moving backward relative to the person running inside the stationary train because of the concept of relative velocity.

What is Velocity?

The total displacement covered by any object per unit of time is known as velocity. It depends on the magnitude as well as the direction of the moving object.

A passenger is going inside a stationary train at a certain pace when they look at the person standing on the platform, and because of the idea of relative velocity,

The person on the platform appears to be moving backward in relation to the passenger moving inside the stationary train.

By observing from the side of the person standing on the platform the person running inside the stationary train would appear to move in the forward direction because of the relative velocity.

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hello,help me with this out please i need it hurry but please ensure your answer is correct..I attach here with my question.
Topic:Forces in equilibrium.

Answers

Answer:

.409 N

Explanation:

For this to balance, the moments around the fulcrum must sum to zero.

On the left you have   .21   ( is that down? I will assume it is)

      Counterclockwise moments :

        .21 * 40     +  1.0 * 20    

     Clockwise moments :

        .5 * 20     +     F * 45

these moments must equal each other

.21*40 + 1 *20   =  .5 * 20 + F * 45

   F = .409 N

Select the definition that best describes the term “ultimate tensile strength.”

Answers

Ultimate tensile strength is the maximum stress that a material can withstand just before fracture.

What is stress?

Stress is defined as the force acting per unit area. It is denoted by Sigma(σ)

When a body is undergoing stretch by applying a pull force, it stretches more and more until it reaches its elastic limit. A point comes when the body no more stretches and breaks or fractures at bottle neck formation. This strength of any material is known as Ultimate breaking Stress or Ultimate tensile strength.

Thus, Ultimate tensile strength is the maximum stress that a material can withstand just before fracture.

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which cooks food faster, an aluminium pot or a copper one?​

Answers

Answer:

copper cooks it faster because it heats up quicker

Copper

Copper is a good heat conductor and food would be cooked faster in it.

Hope this helps!!

>Rijja<

Please mark brainliest! :)

which group on the periodic table wants to gain 2 electrons?

Answers

Answer:

Periodic

Explanation:

The groups in the periodic table that want to gain electrons are groups; 15, 16 and 17. The members of these groups are mostly nonmetals.

The distance between slits on a diffraction grating is 0.60
How large is the path difference?
mm, and one of the angles of diffraction is 0.30°. The
light forms a second-order bright band.
O 1047 nm
• 1571 nm
© 3142 nm
6284 nm

Answers

The path difference is 1.57 × 10⁻⁶ m

Distance is the amount of space between things. From distance, it is the hard to tell if someone's wearing the a vampire costume abd just a chic black outfit.

For constructive interference thai is formation of bright fringe through a diffraction grating is given by:

d sin θ = n λ

here, d is the distance between slits.

θ is the angle of diffraction

n is the order of fringe

and λ is the path difference.

λ = (d sin θ)/ n = (0.60 *10 ⁻³m) (sin 0.30°) ÷ 2 = 1.57 * 10⁻⁶ m

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Answer:

C is the answer

Explanation:

Which of these is
considered "work"
according to
science?
A. pushing against a wall
B. babysitting
C. kicking a soccer ball

Answers

Answer:c

Explanation:work is force x distance. The wall doesn’t move any distance in A so that’s not work. B involves tasks that do work but I don’t think this is what they’re going for. For a short instance while kicking a ball, your foot is applying a force to the ball which moves a distance before following its own trajectory after contact with your foot. Because the contact has a short duration and isn’t instantaneous, this is work

In physics, work is the energy transferred to or from an object via the application of force along a displacement.

Which observations correctly describe the second law of thermodynamics? check all that apply.

thermal energy that is not used to do work is often released to the surroundings.

thermal energy flows from a cooler object to a warmer object.

thermal energy flows from a warmer object to a cooler object.

thermal energy is released as unusable energy by a heat engine, which is never 100 percent efficient.

thermal energy flows when two objects in contact have a temperature difference.

answers: 1,3,4,5

Answers

Answer:

I would agree with the answers 1, 3, 4, 5

Obviously energy will not spontaneously flow from a cooler object to a warmer object

Answer:

A. Thermal energy that is not used to do work is often released to the surroundings.

C. Thermal energy flows from a warmer object to a cooler object.

D. Thermal energy is released as unusable energy by a heat engine, which is never 100 percent efficient.

E. Thermal energy flows when two objects in contact have a temperature difference.

Explanation:

Got it right on edge 23

What do you need to add to vector A to get zero as a result?

Answers

To get zero as a resultant of vector A, we need to add another vector that has the same magnitude and different direction to vector A.

What are vectors?

Vectors are those quantities that has both magnitude and direction.

The result or resultant of two vectors is the single value obtained when two vectors are combined.

For a vector to have a resultant of zero, the vector need to be added to another vector of the same magnitude and different direction.

From the above,

To get zero as a resultant of vector A, we need to add another vector that has the same magnitude and different direction to vector A.

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With a burst of speed, Kevin swims one 25.0-m stretch in 9.22 s. What is Kevin's average speed over those 25 m

Answers

If Kevin swims one 25.0-m stretch in 9.22 seconds, his average speed is approximately 2.71m/s.

What is Kevin's average speed over those 25 m?

Speed is expressed as distance over time.

Speed = Distance / time

Given the data in the question

Distance = 25.0mTime elapsed = 9.22sAverage speed = ?

Average speed = 25.0m / 9.22s

Average speed = 2.71m/s

If Kevin swims one 25.0-m stretch in 9.22 seconds, his average speed is approximately 2.71m/s.

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this stationary wave is what we call the first harmonic of the first normal mode of the system. in units of l, the length of the wire, what is λ1, the wavelength of the first harmonic?

Answers

First harmonic of a closed pipe is determined as velocity, v, to four times length (4L), F₀ v/4L.

First harmonic of a closed pipe

The first harmonic of a closed pipe is the fundamental frequency of the closed of the closed pipe.

L = λ/4

where;

L is the length of the pipeλ is the wavelength of sound

λ = 4L

But, v = F₀λ

v = F₀(4L)

F₀ = v/4L

where;

F₀ is the first harmonicv is speed of sound

Thus, first harmonic of a closed pipe is determined as velocity, v, to four times length (4L), F₀ v/4L.

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describe in your own words the conditions established by forward- and reverse-bias conditions on a pâ€""n junction diode and how the resulting current is affected.

Answers

The conditions established by forward- and reverse-bias conditions on a P-N junction diode are: For forwarding bias, the current flows easily without opposition, this causes more current to pass, For reversed bias, the current flow is restricted and this causes less amount of current to pass.

Meaning of a Forward and reversed bias

A forward bias is a state attained by a diode as a result of its positive terminal that is connected to the positive part of a circuit and its negative terminal connected to the negative part of the circuit.

A reversed bias is a state attained by a diode as a result of its positive terminal that is connected to the negative part of a circuit and its negative terminal connected to the positive part of the circuit.

In conclusion, The conditions established by forward- and reverse-bias conditions on a P-N junction diode are: For forwarding bias, the current flows easily without opposition, which causes more current to pass, For reversed bias, the current flow is restricted and this causes less amount of current to pass.

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The conditions established by forward- and rear- bias conditions on a P- N junction diode are For encouraging bias, the current flows fluently without opposition, this causes further current to pass, For reversed bias, the current inflow is confined and this causes lower quantum of current to pass.

Meaning of a Forward and reversed bias-

A forward bias is a state attained by a diode as a result of its positive outstation that's connected to the positive part of a circuit and its negative terminal connected to the negative part of the circuit.

A reversed bias is a state attained by a diode as a result of its positive outstation that's connected to the negative part of a circuit and its negative terminal connected to the positive part of the circuit.

In conclusion, The conditions established by forward- and rear- bias conditions on a P- N junction diode are For encouraging bias, the current flows fluently without opposition, which causes further current to pass, For reversed bias, the current inflow is confined and this causes lower quantum of current to pass.

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The image shows positivle and negative charged particles bouncing around. Which state of matter is most likely represented in the image?​

Answers

Answer:

Gas Solid Liquid Plasma

Explanation:

Answer:

plasma

Explanation:

plasma has charged particles and ions and electrons floating around

The length of a piece of tissue is 42 meters. How big is 3/7 of this piece?​

Answers

hi brainly user! ૮₍ ˃ ⤙ ˂ ₎ა

⊱┈────────────────────────┈⊰

[tex]\large \bold {ANSWER}[/tex]

[tex]\large \boxed { \large \sf \green{18}}[/tex]

3/7 of the fabric equals 18.

[tex]\large \bold {SOLUTION}[/tex]

To find the solution to your task, we will have to find 3/7 of 42, that is. How much is 3/7 of 42?

So, to find the value we must do the following way, multiply the value of the length of the fabric 42, by the numerator of the fraction 3 and divide by the denominator 7, See:

[tex]\begin{gathered}\Large\begin{array}{c}\tt\dfrac{3}{7}\:in\: 42\\\\ \tt 42\cdot 3=126\\\\ \tt 126\div 7=\boxed{\boxed{\tt 18}}\end{array}\end{gathered}[/tex]

Hence, 3/7 of the fabric equals 18.

a truck of mass 1500kg is moving with a constant speed of 10m/s . what is the translation kinetic energy of the truck?

Answers

m=1500kg
v=20m/s
k=
2
1

mv
2

=1/2×1500×20
2

=300000J=300kJ

The translational kinetic energy of the truck is 75000 Joules (J). The correct answer is 75000 Joules (J).

Given information:

Mass of the truck (m) = 1500 kg

Speed of the truck (v) = 10 m/s

The translational kinetic energy (KE) of an object is given by the formula:

KE = (1/2) × m × v²

where:

KE is the translational kinetic energy,

m is the mass of the object,

v is the speed of the object.

The translational kinetic energy of the truck:

KE = (1/2) × 1500 × (10)₂

KE = (1/2) × 1500 × 100

KE = 75000

KE = 75000 Joules (J)

So, the translational kinetic energy of the truck is 75000 Joules (J).

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A glider with a mass of 2 kg is moving rightward at 1 m/s. A second glider, with a mass of 3 kg, is also moving rightward, at 5 m/s. After the two gliders collide, the first glider is moving rightward at 2 m/s. What is the velocity of the second glider after the collision

Answers

The velocity of the second glider after the collision is 4.33 m/s rightward.

Velocity of the second glider after the collision

Apply the principle of conservation of linear momentum;

m₁u₁ + m₂u₂ = m₁v₁ + m₂v₂

where;

m₁ is mass of first gliderm₂ is mass of second glider u₁ is initial velocity of first glideru₂ is initial velocity of second gliderv is the final velocity of the gliders

(2)(1) + (3)(5) = (2)(2) + 3v₂

17 = 4 + 3v₂

3v₂ = 17 - 4

3v₂ = 13

v₂ = 13/3

v₂ = 4.33 m/s

Thus, the velocity of the second glider after the collision is 4.33 m/s rightward.

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Number 5 and 6 i need just give answer

Answers

Explanation:

voltage = current × resistance

5.

12 V = 4.2 A × resistance

resistance = 12 V / 4.2 A = 2.857142857... Ohm

FYI :

4.2 A would be a lot for a small electronic device like a CD player. that would be 12×4.2 = 50.4 Watt, and the CD player would get really hot.

6.

120 V = current × 12 Ohm

current = 120 V / 12 Ohm = 10 A

What is the term for producing a current by moving a wire through a magnetic field?.

Answers

The answer is electromagnetic Induction.



I hope this answer will help you
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