Question 12 (Essay Worth 7 points) (01.01 HC) Describe the role of consumers in a food web. Are consumers heterotrophs? Justify your answer. please help it's due today​

Answers

Answer 1

Consumers are organisms which depend on the producers or autotrophs for their food and nutrition.

Consumers are also known as heterotrophs, and they feed on the producers (autotrophs or self-feeders or plants) and herbivores (animals that eat plants) for food and energy. They don't produce their own food.

There are four types of consumers:

1) Primary – Herbivores are known as primary consumers and their source of food is plants or the first trophic level of the food chain. Example, Rabbits, Butterflies, Zooplanktons, etc.

2) Secondary – these consumers eat both plants and herbivores and are therefore also known as omnivores. Example, Ants, Crabs, Rats, Humans, etc.

3) Tertiary – these consumers eat primary and secondary consumers. Thus, they can be omnivores as well as carnivores. Example, Hawks, Snakes, Lions, etc.

4) Quaternary – these consumers prey on the tertiary consumers. Example, Polar bear, Alligator, etc.

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Related Questions

Suppose you have two samples that are equal in weight, 17.8
g Ti
and 17.8
g Fe2O3
.

Calculate the number of moles of each substance.

Answers

Considering the definition of molar mass, the number of moles of Ti and Fe₂O₃ are 0.087 moles and 0.11 moles respectively.

Definition of molar mass

The molar mass of substance is a property defined as its mass per unit quantity of substance, in other words, molar mass is the amount of mass that a substance contains in one mole.

The molar mass of a compound is the sum of the molar mass of the elements that form it (whose value is found in the periodic table) multiplied by the number of times they appear in the compound.

Molar mass of Ti

The molar mass of Ti is 204.37 g/mole.

Molar mass of Fe₂O₃

You know the molar mass of the elements is:

Fe= 55.85 g/moleO= 16 g/mole

So, the molar mass of the compound Fe₂O₃ is calculated as:

Fe₂O₃= 2× 55.85 g/mole + 3× 16 g/mole

Solving:

Fe₂O₃= 159.7 g/mole

Number of moles of each substance

You can apply the following rules of three:

If by definition of molar mass 204.37 grams of Ti are contained in 1 mole, 17.8 grams of Ti are contained in how many moles of Ti?

moles of Ti= (17.8 grams× 1 mole)÷ 204.37 grams

moles of Ti= 0.087 moles

If by definition of molar mass 159.7 grams of Fe₂O₃ are contained in 1 mole, 17.8 grams of Fe₂O₃ are contained in how many moles of Fe₂O₃?

moles of Fe₂O₃= (17.8 grams× 1 mole)÷ 159.7 grams

moles of Fe₂O₃= 0.11 moles

Finally, the number of moles of Ti and Fe₂O₃ are 0.087 moles and 0.11 moles respectively.

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the boiling point of butane is less that that of hexane because of increase in

Answers

Hexane, CH3CH2CH2CH2CH2CH3, has a boiling point of 69ºC, while butane has a boiling point of 0.4ºC. Both molecules are nonpolar. Describe the significant difference between these two substances' boiling points.

Intermolecular attractions are the likely cause of the significant disparity in the boiling points of butane and hexane. Due to its size (molecular weight = 86) and higher number of electrons and nuclei, hexane has stronger and more durable van der Waals forces. With a molecular weight of 58, butane is a smaller molecule with less van der Waals forces.

Hexane has a higher boiling point than butane as a result, while butane has a lower boiling point.

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The density of titanium is 4.51 g/cm^3. what is the volume (in cubic inches) of 3.0 lb of titanium?

Answers

1,000,000 fr that’s the right awesome kk

what were the 3 constellations that were above the horizon at
9PM on August 31, 2022?

Answers

It’s part of something called the “Summer Triangle.”

1) Cygnus the Swan
2) Lyra the Harp
3) Aquila the Eagle

What is the molar mass of 56.75 g of gas exerting a pressure of 2.87 atm on the walls of a 5.29 L container at 230 K

Answers

Molar mass is thus 70.6 g/mol.

We must first determine how many moles of gas are there in the container.

PV = nRT

where;

P - pressure = 290 802.75 Pa = 2.87 atm x 101 325 Pa/atm

Volume: 5.29 x 103 m3, or V.

quantity of moles, n

R, the global gas constant, is 8.314 Jmol K-1.

Temperature is 230 K, or T.

using these values as a substitute in the equation

n x 8.314 Jmol 1 K x 230 K = 290 802.75 Pa x 5.29 x 10 3 m3

n = 0.804 mol

the molar mass = [tex]\frac{mass present}{number of moles}[/tex]

the molar mass of gas =[tex]\frac{56.75g}{0.804 mol}[/tex]

therefore molar mass is 70.6 g/mol

Molar mass is 70.6 g/mol as a result.

The molar mass of a chemical compound is defined as the mass of the sample divided by the amount, or the number of moles, in the sample, measured in moles. A substance's molar mass is a bulk characteristic rather than a molecular one.

The phrases "molecular mass" and "formula mass," which refer to molar mass specifically for molecular compounds, are commonly used interchangeably; nevertheless, the definitions provided by the most trustworthy authorities vary.

The molar mass is the appropriate unit for converting between a substance's mass and quantity in bulk quantities.

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What is a concept or principle from the natural sciences that is relevant to John Snow's work on Aesthetics?

Answers

We will immediately say that right here idea or idea or precept from the from the herbal sciences college students, herbal sciences- that could be a relevant that is real occasion to snow's paintings on Anaesthetics. the scholars is thereto substances.

Propofol, etomidate, and ketamine are the intravenous sedative-hypnotic retailers typically used to result in standard anesthesia, at the same time as adjuvant dealers, eg, opioids, lidocaine, midazolam are frequently used to complement the effects of the primary sedative-hypnotic induction agent.

Examples consist of an epidural to ease the pain of childbirth or at some stage in a cesarean phase, a spinal for hip or knee surgical procedure, or an arm block for hand surgical treatment. preferred anesthesia: This remedy makes you subconscious and insensitive to ache or other stimuli.

Propofol is the maximum usually used IV fashionable anesthetic. In lower doses, it induces sleep whilst allowing a affected person to maintain respiration on their personal. It's far regularly utilized by anesthesiologist for sedation similarly to anxiolytics and analgesics.

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A large balloon is initially filled to a volume of 11.2 L at 325 K and a pressure of 3450 mm Hg. What volume of gas will the balloon contain at 1.4 atm and 325 K?

Answers

Answer:

36 L

Explanation:

Since the temperature remains constant, you can use Boyle's Law to find the final volume:

P₁V₁ = P₂V₂

In this formula, "P₁" and "V₁" represent the initial pressure and volume. "P₂" and "V₂" represent the final pressure and volume. Before, you can plug the given values into the equation and solve for "V₂", you need to convert mmHg to atm to maintain consistent units.

760 mmHg = 1 atm

P₁ = 3,450 mmHg / 760 mmHg = 4.54 atm      P₂ = 1.4 atm

V₁ = 11.2 L                                                            V₂ = ? L

P₁V₁ = P₂V₂                                                  <----- Boyle's Law

(4.54 atm)(11.2 L) = (1.4 atm)V₂                    <----- Insert values

50.848 = (1.4 atm)V₂                                   <----- Multiply 4.54 and 11.2

36 = V₂                                                        <----- Divide both sides by 1.4

Hello,
I am stuck on this: What is the de Broglie wavelength of a neutron (mass = 1.009 amu) moving at a velocity of 7.11 × 10⁶ meters per second?
I know the formula is wavelength= h/mv, but I keep getting the answer incorrect as: 4.67E-27

Answers

The de Broglie wavelength of the neutron moving at a velocity of 7.11×10⁶ m/s is 5.56×10¯¹⁴ m

de Broglie wavelength formula

λ = h /mv

Where

λ the de Broglie wavelengthh is the Planck's constantm is the massv is the velocity

How to determine the de Broglie wavelength

The following data were obtained from the question:

Mass (m) = 1.009 amu = 1.009 × 1.661×10⁻²⁷ = 1.676×10⁻²⁷ KgVelocity (v) = 7.11×10⁶ m/sPlanck's constant (h) = 6.626×10¯³⁴ Jsde Broglie wavelength (λ) =?

The de Broglie wavelength can be obtained as follow:

λ = h /mv

λ = 6.626×10¯³⁴ / (1.676×10⁻²⁷ × 7.11×10⁶)

λ = 5.56×10¯¹⁴ m

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Level 3: 1. The type of hydrogen labeled as A, B and C are prepared as follows: Type of hydrogen Method of preparation A B C a. b. What are A, B and C? Which is most powerful reducing agent? Which hydrogen can never be isolated? Write an example of reaction which proves B is more powerful reducing agent than Write a balanced reaction which proves C is stronger reducing agent than A. Project Activity Mg + dil.HCI Passing molecular H₂ under electric arc at low pressure Sn and conc. HC1 in solution. C. d. e. World is facing problems of environmental pollution due to excessive use of fossil fuel. The c like Nepal is suffering from fuel crisis. Make a report on "use of hydrogen as fuel" and hydrogen an alternative to fossil fuel like diesel, petrol etc. Also mention limitations of the H₂ as fuel. 334 A New Comprehensive Chemistry Approved by CDC​

Answers

Answer:

nnnj

Explanation:

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What is the oxidation state of O in NO₂?
OA. +2
OB. -2
O C. O
OD. -4

Answers

Answer:

Let it be x

[tex]{ \tt{ (oxidation \: state \: of \: nitrogen) + 2x = overall \: charge}} \\ { \tt{ - 4 - 2 x = 0}} \\ { \tt{2x = - 4}} \\ { \tt{x = - 2}}[/tex]

A scientist is trying to discover information about an unknown metal in a compound. The formula for the compound is believed to be XBr3 where X is the unknown metal. The scientist determined that a 4.727 g sample of this compound contains 5.317×10−2 mol Br . Calculate the atomic mass of the unknown metal, X .
Atomic Mass=

What is the identity of the metal? Provide the name or symbol of the element.
Metal:

Answers

The atomic mass of the element X is 56 and the element can be seen to be iron.

What is the identity of element X?

In this problem, we are given a compound to obtain the identity of the unknown element therein.

We already can relate that;

Number of moles = mass/molar mass

Number of moles Br  = 0.04806 moles

Molar mass of Br could be obtained as 79.9 g/mol

We have;

Mass = Number of moles x molar mass

         = 0.04806x 79.9

       = 3.84 g

Mass of X = 4.735 - 3.84

                 = 0.895 g

Given that there are 3 moles of Br for every 1 mole of X. We have 0.04806 mole of Br present in 4.735 g, then the number of moles of X present would be:

                              0.04806/3 = 0.01602 moles

Molar mass = mass/mole

                     = 0.895/0.01602

                          = 55.87 or 56 g/mol

Hence, the element X is iron

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Can someone tell me how to do this. Also just answer the first one so I can get it

Answers

Answer:

it is 3 in a half inches long i hope this helped

Fill in the blanks substance X Y Z MASS(g) 10.0 50.0 volume cm 20.0 5.0 density 10.0 4.0

Answers

Density of X = 0.5 g/cm³

Volume of Y = 5 cm³

Mass of Z = 20 g

As we know Density is the substance's mass per unit of volume. So according to the given values of X,Y and Z we can calculate density, mass and Volume.

For X:

Volume of X = 10g

Mass of X = 50cm³

Density =Mass ÷ Volume

Density = 10 /50

Density = 0.5 g/cm³

For Y  

Mass of Y = 50g

Density of Y = 10g/cm³

Volume = Mass / Density

Volume = 50 / 10

Volume = 5 cm³

For Z:

Volume of Z = 5 cm³

Density of Z =4 g/cm³

Mass of  Z = Volume ×Density

Mass of Z = 4×5

Mass of Z = 20g

Complete question is

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The density is quantitative method to measure the mass and volume of a substance.

The formulae of density is mass of a substance per unit volume.

1) For X

The mass of X  =  10.0gm

The volume of X = 20.0 cm³

Then density of X = mass/ volume

Density of X         = 20/10

Density of X       = 2 g/ cm³

2) For Y

The mass of Y = 50gm

density of Y = 10 gm/cm³

volume  of Y = mass /density

Volume of Y = 50/10

Volume of Y = 5cm³

3) For Z

The volume of Z = 5 cm³

The density of Z =  4 gm/cm³

The mass of Z =  density ×volume

The mass of Z = 5× 4

The mass of Z = 20 gm

The density of X =  2 g/ cm³

The Volume of Y =  5cm³

The Mass of Z = 20 gm

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The electron configuration of phosphorus is [Ne] 3s23p3. The correct electron dot structure of phosphorus should contain_?__ dots.

Answers

Answer:

since neon has 10 electrons, phosphorous would contain 10 + 2 + 3 = 15 electrons, with 5 being valence electrons.

aka 15 dots in total, with 5 dots in the valence electron shell

If you change the atomic mass to a whole number and subtract the atomic number from it, what does the answer symbolize?

Answers

Answer:

Based on the mass number of an element, one can determine the number of neutrons that element has. The identity of an element implies its number of protons, and thus one can subtract atomic number from mass number to determine the number of neutrons in the atom's nucleus.

Xylem cells have thickened walls how does this thickening differ in the two xylem shown in the diagram

Answers

The secondary cell wall of the elongated, hollow xylem cells, which are dead, contains lignin.

What functions as the xylem?

The specialized tissue in vascular plants called xylem distributes nutrients and water from the plant-soil contact to the stems and leaves as well as serving as a mechanical support system and a storage system. One of the key characteristics that sets vascular plants apart is the xylem's ability to transmit water.

Where can you locate the xylem?

Vascular bundles, which are found in both non-woody plants and non-woody sections of woody plants, contain xylem. In woody plants, a meristem known as the vascular cambium lays down secondary xylem. as a component in a starry arrangement rather than a bundle, as in many ferns.

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What is the mass of a sample of copper with a volume of 4.5 cubic centimeters?

Answers

The mass of a sample of copper with a volume of 4.5 cubic centimeters is 40.32 grams.

A substance's density is defined as its mass per unit of volume. Density is most frequently represented by the symbol, however Latin letter D may also be used. Mass divided by volume is the formula for density in mathematics: ρ = m / v , where ρ is the density, m is the mass, and V is the volume.

So, ρ = m/v

8.96 = m / 4.5

40.32 g = mass

Therefore, the mass of a sample of copper with a volume of 4.5 cubic centimeters is 40.32 grams.

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As a nucleus becomes unstable, it will undergo radioactive decay to.?

Answers

As a nucleus becomes unstable, it will undergo radioactive decay to form the daughter nuclei because daughter nuclei is more stable and lighter than the nucleus that decayed.

What is Radioactive Decay ?

Radioactive decay is the process in which the emission of energy is in the form of ionizing radiation.

It is represented as

A = - (dN/dt)

where,

A = total activity

t = time

N = number of particles

What is Daughter nucleus ?

Daughter nucleus is the nucleus which remains after the decay. Daughter nucleus form when the 2 nucleus usually by mitosis results from the division of a single nucleus.

Thus from the above conclusion we can say that As a nucleus becomes unstable, it will undergo radioactive decay to form the daughter nucleus.

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If 2.96 mL of seawater contains about 7.86×10-14 moles of gold, how many atoms of gold are in that volume of seawater? atoms

Answers

The number of atoms of gold in the 2.96 mL of the seawater is 4.73×10¹⁰ atoms

Avogadro's hypothesis

1 mole of Gold = 6.02×10²³ atoms

With the above information, we can determine the number of atoms in the seawater. Details below

How to determine the atoms in 7.86×10⁻¹⁴ mole of gold

1 mole of Gold = 6.02×10²³ atoms

Therefore,

7.86×10⁻¹⁴ mole of gold = (7.86×10⁻¹⁴ mole × 6.02×10²³ atoms) / 1 mole

7.86×10⁻¹⁴ mole of gold = 4.73×10¹⁰ atoms

Thus, 4.73×10¹⁰ atoms of gold are present in the seawater

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Which of the following elements is most likely to have an oxidation state of
+2?
A. Strontium (Sr)
B. Oxygen (0)
C. Sodium (Na)
D. Chlorine (CI)

Answers

The element from the list that is most likely to have an oxidation state of +2 is Strontium (Sr).

What is oxidation state?

The oxidation state of an element of an atom refers to the total number of electrons that is gainable or losable in order to form a bond with another atom.

The oxidation state of an atom is also known as its oxidation number.

Strontium with atomic number 38 and electron configuration of [Kr]5[tex]s^2[/tex] has 2 losable electrons in order to form a bond.Oxygen with atomic number 8 and electron configuration of [He] 2s²2p⁴ has 2 gainable electrons in order to form a bond.Chlorine with atomic number 17 and electron configuration of [Ne] 3s²3p⁵ has 1 gainable electron in order to form a bond.

Thus, the element that is most likely to have an oxidation state of +2 is Strontium (sr).

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CH₂-CH3
CH3-CH₂-CH-CH-CH₂-CH3
-CH-CH-
CH₂-CH3
What is this compound?

Answers

The compound is-

CH₂-CH3 = C2H5 = it is ethyl radical

CH3-CH₂-CH-CH-CH₂-CH3= Hex-3-ene

-CH-CH- = acetylene or ethyne

CH₂-CH3 = ethyl radical

Acetylene, commonly referred to as ethyne, is an alkyne with a linear structure and a triple bond.Acetylene is an alkyne chemical. Between the two carbon atoms, there is a triple bond. Ethyne is another name for it. Its molecular weight is 26.04 g/mol, and it is just marginally soluble in water. Because it has a triple bond, the molecule is unsaturated. The acetylene molecule's carbon atoms go through so hybridization to create sp hybridized orbitals that interact with two hydrogen atoms. A sigma bond and two pi bonds make up the triple bonds in alkynes. The head-on overlap of the two molecular orbitals creates sigma bonds, whereas the head-on overlap of

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A runner exerting a running force of 325 N to the right is met with an air resistance force of 45 N to the left. What is the net
force of the runner? (1 point)
O 45 N
O 280 N
O 370 N
O 325 N

Answers

The net force of the runner, given the data from the question is 280 N

Data obtained from the question

From the question given above, the following data were obtained:

Exerting force = 325 NResistance force = 45 NNet force =?

How to determine the net force

The net force of the runner can be obtained as illustrated below:

Net force = Exerting force - resistance force

Net force = 325 - 45

Net force = 280 N

From the calculation made above, we can conclude that the runner's net force is 280 N

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The net force of the runner would be 280 N.

Hope this helps! Also, if you need help with the other questions regarding this assignment, feel free to check out the study set I made on Quizlet. Thanks and good luck!

Quizlet - "Unit 6: Lesson 2 Newton's First Law QC"

h t t p s : / / q u i z l e t. c o m / 7 3 7 7 5 9 5 5 5 / u n i t - 6 - l e s s o n - 2 - n e w t o n s - f i r s t - l a w - f l a s h - c a r d s / ? n e w

If a patient receives a dose with an activity of 53.8 mCi of technetium-99m for cardiac imaging, how much radioactivity will be left in the patient’s body 72 hours after injection?

Answers

Therefore if a patient receives a dose with an activity of 53. 8 mCi of technetium-99m for cardiac imaging, radioactivity will be left in the patient’s body 72 hours after injection is 0.00024

The equation that describes the radioactive decay is:

Ln [A] = -kt + Ln [A]₀

Where [A] could be taken as activity of the source after time t, [A]₀ is initial activity and k is decay constant.

Decay constant could be written as:

k = ln2 / Half-life

k = ln 2 / 6h

k = 0.115h⁻¹

Replacing in decay equation:

ln a = -0.115 x 72  + Ln [53.8]

ln a = - 8.28 + 3. 98

ln a = - 8.28

log a = -4/ 2.303

log a = 1.867

Therefore if a patient receives a dose with an activity of 53. 8 mCi of technetium-99m for cardiac imaging. radioactivity will be left in the patient’s body 72 hours after injection is 1.867

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Which is the dependent variable
Concentration or
Time ?

Answers

Concentration, anything that lies on the y-axis is the dependent variable

Which of the following is a form of identity fraud?
A. Chipping
B. Skimming
C. Chirping
D. Skipping

Answers

Answer:

B. Skimming

Explanation:

Skimming is an electronic method of stealing a victim's credit card number and then using the information to make fraudulent purchases.

How many atoms or molecules are in 10 grams of table salt?

Answers

Answer:

1.03 x 10²³ atoms NaCl

Explanation:

To find the amount of table salt (NaCl) in atoms, you need to (1) convert grams to moles (using the molar mass) and then (2) convert moles to atoms (using Avogadro's Number). It is important to arrange the ratios/conversions in a way that allows for the cancellation of units.

(Step 1)

Molar Mass (NaCl): 22.99 g/mol + 35.45 g/mol

Molar Mass (NaCl): 58.44 g/mol

10 grams NaCl                1 mole
------------------------  x  -----------------------  =  0.17 moles NaCl
                                   58.44 grams

(Step 2)

Avogadro's Number:

6.022 x 10²³ atoms = 1 mole

0.17 moles NaCl           6.022 x 10²³ atoms
--------------------------  x  --------------------------------  =  1.03 x 10²³ atoms NaCl
                                                 1 mole

If ln(x) = 3.11, what is the value of x?
Express your answer to two significant figures.

Answers

If ln(x) = 3.11, the value of x is 22.64. it has 4 significant figures.

In positional notation, significant figures are the digits in a number that is trustworthy and required to denote the amount of something. The correctness and precision of numbers are the focus of significant figures, also known as significant digits, which are crucial components of scientific and mathematical calculations.

significant figures play a crucial role when estimating the degree of uncertainty in the outcome. The number of digits that can be determined with some degree of certainty is relevant to significant figures. When compiling data from an experiment, keeping track of this number is crucial because it reduces mistakes.

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Complete the equation for the equilibrium present in the region bc X(s)=?​

Answers

The following equality statistic is available for the BC X (s) region states:

The following data is obtained using the equilibrium diagram:

shows the various categories that can be found in various temperatures and shapes.

It demonstrates how one object can solidly melt over another.

Describes the amount of the temperature at which the material system solidifies or solidifies.

The rate of reaction is equal to the rate of reaction in an equilibrium situation.

Examples of equilibrium include a book on the table, liquid in a tightly sealed container, full solution, ionic compounds in polar solvents, and the synthesis of ammonia.

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ILL GIVE BRAINLIEST TO THE FIRST ANSWER!!!!
For this and the following two questions, determine the mass of an object (in Gg) if it has a density of


2.007 g/cm3 and the dimensions are 20. cm x 20.0 cm x 70.0 cm. What is the right-most significant figure after performing the calculation in scientific notation?

Answers

Answer:

Your mom

Explanation:

Julie I think that this is the most easiest  question someone has every asked in my whole entire life. I think you should really go to a lower class and will benefit you more. I wish you some what of some success!!!!

Mass of the object is 5.6196 * 10^4 g.

What is density?

The term density has to do with the ratio of the mass to the volume of a substance. The density is an intrinsic property of a substance which could be used to identify a substance.

Mass of the substances = ?

Volume of the substance = 20. cm x 20.0 cm x 70.0 cm =28000 cm^3

Density of the substance = 2.007 g/cm3

Density = mass/volume

mass = density * volume

mass = 2.007 g/cm3  * 28000 cm^3

mass = 5.6196 * 10^4 g

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It takes a turtle 10 seconds to increase his speed from 1 m/s to 5 m/s. What is the acceleration of the turtle

Answers

The acceleration of the turtle, given the data from the question is 0.4 m/s²

What is acceleration?

This is defined as the rate of change of velocity which time. It is expressed as

a = (v – u) / t

Where

a is the acceleration v is the final velocity u is the initial velocity t is the time

How to determine the acceleration

The acceleration of the turtle can be obtained as follow:

Time (t) = 10 sInitial velocity (u) = 1 m/sFinal velocity (v) = 5 m/sAcceleration (a) =?

a = (v – u) / t

a = (5 – 1) / 10

a = 4 / 10

a = 0.4 m/s²

Thus, acceleration of the turtle is 0.4 m/s²

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