help me friends thank you

Help Me Friends Thank You

Answers

Answer 1

Explanation:

Sound travels faster In solids than liquid than gases

Speed of sound is highest in solids, and higher in liquids and slower in gases. Example- Sound travels in air with the speed of 330 m/s, In steel it travels with a speed of 5920 m/s, In liquids it travels with a speed of 5000 m/s.

Hope this helps you


Related Questions

Each of the ____________ is specially positioned to detect angular acceleration in one of the three planes.

Answers

Each of the semicircular canals is especially positioned to detect angular acceleration in one of the three planes.

What is angular acceleration?

Angular acceleration is defined as the pace of change of angular velocity concerning time.

Each of the semicircular canals is especially positioned to detect angular acceleration in one of the three planes.

The semicircular canals are biomechanical sensors that detect and encode angular motion of the head in three dimensions.

Hence semicircular canals are the correct answer for the blank.

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Force = 700 N , Pressure = 10 Pascal
Area = ?​

Answers

Answer :-

Force is 70 meter² .

Explanation :-

As per the provided information in the given question, Force is given as 700 Newton. Pressure is given as 10 Pascal. And, we have been asked to calculate the Area.

For calculating the Area , we will use the Formula :-

[tex] \bigstar \: \: \: \boxed {\sf { \: Area \: = \: \dfrac {Force}{Pressure \: } }} [/tex]

Therefore , by Substituting the given values in the above Formula :-

[tex] \Longrightarrow \: \: \: \sf {Area \: = \: \dfrac {Force}{Pressure}} [/tex]

[tex] \Longrightarrow \: \: \: \sf {Area \: = \: \dfrac {700}{10}} [/tex]

[tex] \Longrightarrow \: \: \: \bf {Area \: = \: 70} [/tex]

Hence :-

Area = 70 meter² .

[tex] \underline {\rule {180pt}{4pt}} [/tex]

I WILL MARK BRAINLIEST

EXPERIMENT: MIXTURES
OBJECTIVES
Utilize a filter to separate a mixture of sand and water.
Summarize your findings.

Many tasks in chemistry involve separating mixtures. For example, crude oil by itself has very few uses, but many important substances are separated from crude oil. In this investigation we will attempt to separate sand from salt water, and salt from water. If you do not have access to sand, you can use small pebbles or BBs.

Before you begin the experiment, hypothesize whether or not you can separate sand from salt water using filter paper. After the experiment summarize your findings in a scientific report. Upload your report below in question 1.

These supplies are needed:

salt
water
sand
a measuring cup
a balance
filter paper
funnel
plastic spoon
two beakers or glasses
Measure 5 grams of salt and 10 grams of sand using the balance.
Mix together the salt and sand in a beaker or glass.
Add one half-cup of water to the salt-sand mixture.
Stir the mixture with the plastic spoon until all the salt is completely dissolved.
To filter the mixture fold the filter in half to form a semi-circle. Fold it again which creates the shape of a triangle. Place the filter paper in the funnel and open one layer of the filter paper and spread it out onto one side of the funnel, and the other three layers onto the other side of the funnel. You may want to wet the filter paper with water so that the filter paper lays flat against the sides of the funnel. Carefully pour the salt water -sand mixture into the funnel and drain the liquid into a beaker or glass.
Remove the filter paper from the funnel and lay it out flat to allow the sand to dry.

Answers

Answer:

I found out that you could separate the sand because the filterstion and all the materials uses their elements to filter it out

Findings say that one could separate the sand using the filtration and all the materials uses their elements to filter it out.

What is filtration?

Filtration is the technique of segregating the components from a mixture.

In the given experiment, the filter is used to separate a mixture of sand and water.

This experiment can be successfully completed through the filtration process.

Thus, one could separate the sand using the filtration and all the materials uses their elements to filter it out.

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What type of circuit is shown

Answers

Answer:

electric circuit............

which grade

Below is a nuclear equation. What number should go in the place marked (i)?

Answers

Step by step explanation: you have not provided the nuclear equation!

Do you know it is scientifically impossible for bees to fly. yet bees fly.

Answers

Answer:

yes

Explanation:

but no i dont know anyways what is the question

Scientifically, that one "observation" right there proves that they can and they do.

what is heat?
definition of heat

Answers

Answer: heat, energy that is transferred from one body to another as the result of a difference in temperature. If two bodies at different temperatures are brought together, energy is transferred—i.e., heat flows—from the hotter body to the colder.

Explanation:

Answer:

heat, energy that is transferred from one body to another as the result of a difference in temperature. If two bodies at different temperatures are brought together, energy is transferred—i.e., heat flows—from the hotter body to the colder.

Explanation:

What does ceteris paribus mean?
A. other things remain unequal
B. other things remain constant
C. other things remain irregular
D. other things remain unbalanced

Answers

Answer:

other things remain constant 

Explanation:

Answer:

B) Other things remain constant.

Explanation:

For edmentum users.

Explain how a schematic of an electric circuit compares to an artist's drawing of the same circuit

Answers

The schematic of an electric circuit is clear and standardized while the artist drawing depicts a higher level of the features.

What is a Circuit?

This can be defined as a path along which the whole current flows through each component.

The schematic shows the connections and components in an electrical circuit and how they are connected while the artist drawing shows how the features mentioned together with how they are arranged.

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Describe the difference between continuous reinforcement and intermittent reinforcement.

Answers

Answer:

Continuous reinforcement delivers the reinforcement every single time the target behavior is delivered. (For example, if the target behavior for the dog is sitting when the owner says "sit", the treat (reinforcement) would be given whenever the dog follows the command). It follows a schedule-like reinforcement.

Intermittent reinforcement delivers the reinforcement to responses but are not consistent.

Efficiency of a machine is always less than 100% why?

Answers

The reason the efficiency is always less than 100% is because there is always some sort of friction in the machine.


Answer: because of friction

100.0 grams of an isotope with a half-life of 36.0
hours is present at time zero. How much time will
have elapsed when 5.00 grams remains?

Answers

Answer:

155.6 hrs

Explanation:

5   =   100 (1/2)^n      n = 4.32 half lives

4.32 * 36 = 155.6 hrs

The required, 155.58 hours will have elapsed when 5.00 grams of the isotope remains.

What is the half-life of the element?

The half-life of the element is defined as the time span in which the element grows or decays half of its whole composition of growth and decay.

Here,
The decay of a radioactive substance can be modeled by the following equation,

[tex]N(t) = N_o (1/2)^{t/T}[/tex]

where N₀ is the initial quantity of the substance, N(t) is the quantity remaining after time t has elapsed, and T is the half-life of the substance.

In this problem, we are given,

N₀ = 100.0 g

N(t) = 5.00 g

T = 36.0 hours

We want to find the time t that has elapsed. Rearranging the equation above, we can solve for t,

t = T (log N₀ - log N(t)) / log 2

Substituting the given values, we get,

t = 36.0 hours x (log 100.0  - log 5.00 ) / log 2

t = 36.0 hours x 4.643 / 0.693

t = 155.58 hours

Therefore, approximately 155.58 hours will have elapsed when 5.00 grams of the isotope remains.

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Most of the mass of the milky way exists in the form of.

Answers

Answer: Dark matter.

Explanation: Hope it helps :)

About 80-90% of our Milky Way is created of a mass called dark matter, I don’t believe we fully know what the rest of it is made of though.

Because sound waves vibrate longitudinally, what can result?

A Disruptions of fixed waves

B. Changes in the density of air

C. Pressure differences where compressions are rarefied

D Regions of high pressure and low pressure


HELp!!!!!!!!​

Answers

Answer:

I think its D.

Explanation:

I think this because sound waves move up and down im pretty sure but i might have that mixed with radio waves

The ____________ is a phenomenon that occurs when electrons are ejected from a piece of metal after light has been shined onto the metal surface.

Answers

Answer:

Photoelectric Effect

Explanation:

Photoelectric Effect is a phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation.

It urgent ! A simple circuit consists of an unknown voltage source and a single 35. 0 Ω resistor. If the current in the circuit is measured to be 0. 257 A, what is the voltage in the circuit?

Answers

Answer:

9 v

Explanation:

v = i r

v = .257 * 35 = ~ 9 v

Does crystallization break down rocks at earths surface to form sediment

Answers

Answer:

No

Explanation:

Crystizaltion of magma turns into indeginous rocks which then turns into sediment after weathering and erosion.

Find the distance the ball traveled if it is 20.0n and it took 780 j to move it

Answers

39 m

Explanation:

W = FS

S = W/F

S = 780 J / 20 N

S = 39 Meters

Answer:

[tex]39m[/tex]

Explanation:

[tex]w = f \times s[/tex]

[tex]780 = 20 \times s[/tex]

[tex]s = 780 \div 20[/tex]

[tex]s = 39m[/tex]

find the resistance of the lamp if an electrical bulb is rated 60W,240v.​

Answers

Answer:

[tex]R= 960 \: Ohm[/tex]

Explanation:

P = 60 W

V = 240 V

[tex]P= VI[/tex]

[tex]\implies I= \frac{P}{V}[/tex]

[tex]\implies I= \frac{60}{240}[/tex]

[tex]\implies I= 0.25 A[/tex]

Now, by Ohms law

[tex]R= \frac{V}{I}[/tex]

[tex]\implies R= \frac{240}{0.25}[/tex]

[tex]\implies R= 960 \: Ohm[/tex]

Answer:

960 Ω

Explanation:

A spring with a spring constant of 5.25N/m applies a force of 8.50N when it is stretched. How much was the spring compressed?

Answers

Answer:

1.62

Explanation:

F = kx

8.5 = 5.25 * x

8.5/5.25 = 1.62

Which best describes what occurs when an object takes in a wave as the wave hits it?.

Answers

Answer:

Absorption

Explanation:

A student slides a box across the floor to his friend. The mass of the box is 25 kg and the
coefficient of kinetic friction between the floor and the box is 0.52. If the initial velocity
of the box is 7.0 m/s, how far will the box slide before it stops?

Answers

The distance traveled by the box before stopping, when the student slides the box across the floor  to his friend, at the given coefficient of kinetic friction is 4.8 m.

Acceleration of the box

The acceleration of the box across the floor is determined by applying Newton's second law of motion.

∑F = ma

-Ff = ma

-μmg = ma

-μg = a

-(0.52 x 9.8) = a

- 5.1 m/s² = a

Distance traveled by the box before stopping

The distance traveled by the box before it stops is calculated  as follows;

v² = u² + 2as

where;

v is the final velocity of the box when it stops = 0

0 = (7)² + 2(-5.1)s

0 = 49 - 10.2s

10.2s = 49

s = 49/10.2

s = 4.8 m

Thus, the distance traveled by the box before it stops is 4.8 m.

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Which plant group is one of the oldest on Earth?

daisies
ferns
sequoia trees
orange trees

Answers

Answer:

Ferns

Explanation:

Answer:

B

Explanation:

A force of 900 N is applied to a 9kg object. How fast will it accelerate?

Answers

Given :

Force = 900 N

Mass = 9kg

[tex] \\ [/tex]

To find :

Acceleration = ?

[tex] \\ [/tex]

We know :

[tex] \boxed{ \rm Force=Mass\times Acceleration}[/tex]

By using this formula we can find acceleration.

[tex] \dashrightarrow \sf Force=Mass\times Acceleration \\ [/tex]

[tex] \\ [/tex]

[tex] \dashrightarrow \sf900=9\times Acceleration \\ [/tex]

[tex] \\ [/tex]

[tex] \dashrightarrow \sf900 \times \dfrac{1}{9} =Acceleration \\ [/tex]

[tex] \\ [/tex]

[tex] \dashrightarrow \sf \cancel9 \times 100 \times \dfrac{1}{ \cancel9} =Acceleration \\ [/tex]

[tex] \\ [/tex]

[tex] \dashrightarrow \sf \dfrac{100}{1} =Acceleration \\ [/tex]

[tex] \\ [/tex]

[tex] \dashrightarrow \sf Acceleration = \dfrac{100}{1} \\ [/tex]

[tex] \\ [/tex]

[tex] \dashrightarrow \bf Acceleration = 100\: ms^{-2}[/tex]

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Related Concept :

Define Acceleration:

Acceleration is the rate by which velocity changes with respect to time

Main formula :-

a = (Vf - Vi)/t

where :-

Vf is final velocityVi is initial velocityt is time

Define Force :

Force is a push or pull that changes or may tends to change an object from rest to motion or from motion to rest.

Main formula:

f = m × a

where :-

m is massa is accelerationf is force

Define Mass :

The amount of matter present in body

Main formula:

m = v × d

where:-

m is massv is volumed is density

How long will it take a car to accelerate from 20m/s to 26m/s at a rate of 1.4m/s2?

• 2.2 s
• 4.6 s
• 2.7 s
• 4.3 s​

Answers

Answer:

4.3s

Explanation:

a=v-u/t

t=v-u/a

t=26-20/1.4=4.28

=4.3

What are the answers for these?

Answers

Try to figure it out by looking at pervious things that can definitely help!!

Like diomedes and patroclus before him, achilles fights against a god during his aristeia in iliad books 20-22. Which god?.

Answers

The god that Achilles fought in the Illiad was the god Hector and he ended up killing him.

Who is achilles?

He was a warrior that fought in the Trojan war. After the death of Patroclus. Achilles had to fighty the Trojan Army singlehandedly.

It was the war that saw the end of Hector and also he joined the war for the avenging of the death of Petroclus.

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What would stars be like if carbon had the smallest mass per nuclear particle?.

Answers

Supernova would be more common

Guys i need help rn

Needs a nice ans, thanks​

Answers

Answer:

51.92 m

Explanation:

Given

angle at which it is launched (α) = 30°initial velocity (v₀) = 31.9 m/s

Formula

Range (R) = [tex]\frac{v_{0}^{2} sin2\alpha }{g}[/tex]

Solving for R

R = (31.9)² x sin2(30°) / 9.8R = 1017.61 x sin60° / 9.8R = 1017.61 / 19.6 [sin 60° = 1/2]R = 51.92 m

Due to the cylindrical symmetry of this problem, the induced electric field E⃗ (R,t) can depend only on the distance R from the z axis, where R is restricted to the region outside the iron rod. Find this field. Express E⃗ (R,t) in terms of quantities given in the introduction (and constants), using the unit vectors in the cylindrical coordinate system, θ^, r^, and k^

Answers

It is to be noted that the electric field that has been induced is (-B₁ A/2[tex]\pi[/tex]R)θ. This is obtained by using the vector units in the Cylindrical Coordinate System.

What are Cylindrical Coordinates?

Cylindrical Coordinates are simply defined as a component of a coordinate system that is used to locate a location in space using its polar coordinates and vertical distance from the polar plane.

How is the induced field arrived at?

The formula for Induced Electric Field is given as:

∫ E · dl = ∈

If we replace ∈ with -B₁A and 2[tex]\pi[/tex]R for dl then

∫ E · dl = -B₁A. Thus, we can state that

E∫ dl  = -B₁A

Replacing or substituting 2[tex]\pi[/tex]R for ∫ dl ·E(2πR)  = - B₁A

We can thus rearrange the equation to read:

E · E = ([tex]\frac{-B1A}{2\pi R}[/tex])θ


It is to be noted that the circumference of a circle is the integral of the length of the element. While θ, which in this case is the unit vector refers to the Cylindrical Coordinate and the direction of the electric field.

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Other Questions
Becoming informed about economics helps a person understand the reasons a command economy is ideal. role of government in regulating production. why consumers receive tax revenue. reasons an economy must always be completely regulated. Calculate the area of the trapezoid. Use paper to show your work. The figure is not drawn to scale.12 cm12 cm21 cmThe area of the trapezoid is how many cm? he figure shows a parallelogram inside a rectangle outline:A parallelogram is shown within a rectangle. The length of the rectangle is 3 over 5 foot, and the width of the rectangle is 2 over 5 foot. The two equal bases of the triangles outside the parallelogram are labeled 1 over 5 foot.What is the area of the parallelogram?1 over 25 square foot11 over 25 square foot3 over 25 square foot4 over 25 square foot 7,14,21,28,35, __Which sentence about the missing number in the Pattern is true?The missing number ends with a 5.The missing number is a Multiple of 10.The missing number is a odd number.The missing number is a even number. Which of the following distinguishes the isotope uranium-238 from the isotope uranium-235?A.number of neutrons in the nucleusB.location on the periodic tableC.amount of negative chargeD.ability to form ions Compare and contrast the two cell diagram below. In the table below, identify Cell A and Cell B as eukaryotic or prokaryotic and as bacterial, plant, or fungal. Darken the circles that correctly identify What is nat turner famous for? leading an insurrection of enslaved people publishing anti-slavery poetry and giving lectures leading a military expedition during the civil war inventing the cotton gin Determine el precio y la cantidad de equilibrio para las siguientes leyes de demanda y oferta en la fabricacin de piezas para computadoras.Demanda: 3p + 5x = 200Oferta: 7p-3x = 56 simply the square roots without using decimals What causes the expression of a recessive trait?one dominant genetwo recessive factors (alleles)two dominant factors (alleles)one dominant and one recessive factor (allele) A parallelogram originally has an area of 47 square inches. Find its new area if its baseis one-fourth times as long and its height is twice as long.PLS HELP ME!! WILL GIVE LOTS OF POINTS AND GIVE BRAINLIEST! Determine whether the statement is true or false. d dx (tan2(x)) = d dx (sec2(x)) What does it mean to learn incrementally? a. information learned on day one is the base for information on day two. c. rewrite notes in stages. b. information is memorized in stages. d. information learned on day one is not reflected in material covered on day two. please select the best answer from the choices provided a b c d QUESTION 7Read the two sentences. Then combine them into one sentence as indicated.Some people smoke heavily. Some people smell bad. Some people die early. (Simple sentence) In a paragraph of least 100 hundred words), describe what the speaker is suggesting about constructing peace and whether you think her solution is possible. Support your answer by paraphrasing the lines. Further support your opinion with personal observations of what you know about war. 15. If a=3 and b= -2, find the values of:(i) a^a + b^bii) a^b + b^a modernisation has robbed us of our peace of mind Which of the following can serve as evidence to support the claim that human consumption of water impacts Earth's systems? A: increased dissolved solids in the lak B:loss of the Lahontan cutthroat trout from the lake C:decreased water levels in the lake D:irrigation allows crops to grow better The flashback in line 9 (""When I. . . Face"") to Beneathas childhood makes her current disillusionment more poignant by showing the What famous explorer was executed for trying to find El Dorado?