What is the power output of the stickman that pushes the box 5 meters in 3 seconds with a constant force of
12 N?

Answers

Answer 1

Answer:

20W

Explanation:

the power of qn object doing work w in a given time t is given by

p= w/t


Related Questions

Which conditions will increase the rate of a chemical reaction?.

Answers

Answer:

temperatures

enzyme activity

Name the cycloalkane.
CH3
CH3
CH3

Answers

trimethyl nonane

Explanation:

In a typical mammalian cell, the net transport by the sodium-potassium exchange pump that maintains the 70 mv membrane potential is 500 singly charged ions per second.

Answers

For  a typical mammalian cell, the net transport by the sodium-potassium exchange pump, Work done is mathematically given as

W= 5.6*10-18 J

How much work does the pump do each second?

Generally, the equation for the Potential difference   is mathematically given as

Potential difference = Work done / Charge

Therefore

W=q*P.d

Q= 500 * 1.6*10-19 C

P.d. = 70 mV

In conclusion,Workdone  

W500 * 1.6*10-19 * 70*10-3

W= 5.6*10-18 J

Read more about Work

https://brainly.com/question/756198

The solubility of a gas is 0.890 g/L at a pressure of 120 kPa. What is the solubility of the gas if the pressure is changed to 100 kPa, given that the temperature is held constant?

Answers

For the solubility of a gas is 0.890 g/L at a pressure of 120 kPa, the solubility of the gas, if the pressure is changed to 100 kPa is mathematically given as

c=0.741g/l

What is the solubility of the gas if the pressure is changed to 100 kPa, given that the temperature is held constant?

Generally, the equation for the Pressure   is mathematically given as

p=kc

Therefore

k=p/c

k = 120 /0.890

k=134.8

In conclusion, if p=100kpa

c=p/k

c=100/134.8

c=0.741g/l

Read more about mass

https://brainly.com/question/15959704

What is the 2nd step in the process of natural selection?

Answers

Answer: Selection proper

Explanation:

it's an anti-chance process, but subject to many constraints

How many atoms in total are present in sucrose C12H2011 weighs 1.4 mg

Answers

Answer:

2.46×10²¹atoms

Explanation:

[tex]molar \: mass \: of \: the \: sucrose = 12(12) + 22(1) + 11(16) \\ = 144 + 22 + 176 \\ = 342g {mol}^{ - 1} \\ mole = \frac{1.4 \times {10}^{ - 3} }{342} \\ = 4.09 \times {10}^{ - 6} \\ number \: of \: atoms = 4.09 \times {10}^{ - 6} \times 6.022 \times {10}^{23} \\ = 2.46 \times {10}^{21} atoms[/tex]

How many moles in 16 grams of oxygen?

Answers

Answer:

Half mole or 0.5 moles

__________________________________________________________

Solve

Oxygen has a molar molar mass of 32 g.

This means that O2 will have half that amount of grams, half-mole-substance.

6.022*10^23 molecules are present in one mole of any substance, so half it for O2.

6.022 × 10²³ [tex]-- >[/tex] 3.011 × 10²³

And simplified, that would make your answer 0.5 moles.

________________________________________________________

Questions?

Ask in the comments box, please.

Identify whether each compound is a straight chain, branched chain, or cycloalkane.

Answers

Answer:

the first one is branched, the second one is also branched and the third one is cycloalkane

Answer:

A: straight chain, B: branched chain, and C: cycloalkane.

Explanation:

Draw the lewis structure of sf2, showing all lone pairs.

Answers

Answer:

Number of valence electrons in two F atom = 2(7) = 14

Total number of valence electrons = 6 + 14 = 20 electrons

Placing a bonding pair of electrons between the atoms to form the chemical bonds.

Electrons used in bonding = 4

The remaining electrons are used as a lone pair for central or terminal atoms to achieve an octet to finish the Lewis dot structure.

Electrons used as a lone pair = 20 - 4 = 16

Explanation:

hope this helps

Why would a scientist need to know if there was a volcanic eruption about to happen?

Answers

If the scientists are wrong, people would be less likely to evacuate the next time scientists predicted an eruption. But if scientists predict an eruption that does take place, it could save many lives

If 25.0 g of NO are produced how many liters,at STP,of nitrogen gas are used?

Answers

Answer:

9 1/3  liters

Explanation:

N2 + O2 = 2 NO

Find mole weights from table of elements

N =14

O =~16       30 gm is a mole

22.4 l / mole for gases at STP

22.4 * 25/30 = 18 2/3 Liters  of NO  

   but since Nitrogen is N2 it will take 1/2 s much = 9 1/3

*** EDITED ***

According to the stoichiometry and STP conditions if  25.0 g of NO are produced 2269 liters  of nitrogen gas are used.

What is stoichiometry?

It is the determination of proportions of elements or compounds in a chemical reaction. The related relations are based on law of conservation of mass and law of combining weights and volumes.

Stoichiometry is used in quantitative analysis for measuring concentrations of substances present in the sample.1 mole of nitrogen gives 2 moles of NO, thus as per ideal gas equation which on substitution gives V=1×8.314×273/1=2269.722 liters.

Learn more about stoichiometry,here:

https://brainly.com/question/30218216

#SPJ2

Of the following substances, which one will heat up the FASTEST?
Ammonia (4.70 J/g°C)
Aluminum (0.90 J/gºC)
Gold (0.13 J/gºC)
Ethylene glycol (2.42 J/g°C)

A. Ethylene glycol
B. Aluminum
C. Ammonia
D. Gold

Answers

Walgreens manager compared the number of hours different pharmaceutical technicians worked
over one week. The table shows the number of hours worked per technician.

what are the units on avogardo’s number

Answers

Answer:

I believe they are electrons, atoms, ions, or molecules.

Explanation:

Is apologize if it is incorrect-

I hope it helps! Have a great day!

Muffin~

Answer:

Units:

electrons

ions

atoms

molecules

Explanation:


I hope it helps!
Have a great day!

<3

Potassium chlorate decomposes to form potassium chloride and oxygen according to the following
equation:
2 KCIO3(s) + 2 KCl(s) + 3 O2(g)
How many grams of oxygen are produced if 244 grams of potassium chlorate decompose and 148
grams of potassium chloride are produced?
O 1.65 g
O 0.607 g
0 96.0 g
O 392 g

Answers

Answer:

O 392 g

Explanation:

39.2 grams of oxygen (O2) can be produced.

The concept stoichiometry is used here to determine the grams of oxygen produced. The amount of oxygen produced from the decomposition of 244 grams of potassium chlorate is 96.0 g . The correct option is C.

What is stoichiometry?

The stoichiometry is an important concept in chemistry which helps us to use the balanced chemical equation to calculate the amount of reactants and products. Here we make use of the ratios from the balanced equation. It help us to understand how much substance is needed or present.

Here the balanced reaction is:

2 KCIO₃(s) + 2 KCl(s) + 3 O₂(g)

2 moles of KCIO₃ = 2(39 + 35.5 + 3 × 16) = 245 g

3 moles of O₂ = 3 × 2 × 16 = 96 g

245 g KCIO₃ produces 96 g O₂

Therefore 245 g gives 96 × 244/245 = 95.6 g ≈ 96.0 g

Thus the correct option is C.

To know more about stoichiometry, visit;

https://brainly.com/question/29775083

#SPJ2

help please giving brainliest!

Answers

Answer:

a reaction that can occur in both forward and reverse directions at the same time.

Explanation:

This is because ↓

A reversible reaction is a reaction in which the conversion of reactants to products and the conversion of products to reactants occur simultaneously. A and B can react to form C and D or, in the reverse reaction, C and D can react to form A and B.

Hope this helps =)

Can anyone help me please

Answers

Answer:

Nucleic acids

Explanation:

all organic foods (fruit, meat, etc) contain it to some degree. because all organic foods have dna in them.

Nucleic acids

To some extent, it can be found in all organic foods (fruit, meat, etc.). Because dna is present in all organic foods.

Question 4 of 10
Match the feature with its description.
Sinkholes
?
Hang from cave ceilings.
Stalagmites
?
Grow from cave floors.
Stalactites
?
Collapsed caves.
Speleothems
?
Cave features.
Speleothems

Answers

Answer:

Stalactites - Hang from caves ceilings

Stalagmites - Grow from cave floors

Sinkholes - Collapsed caves

Speleothems - Cave features

Explanation:

Got it right :)

which word help the reader understand the meaning of stratum in paragraoh 3.

Answers

Answer:

It should be D

Explanation:

Stratum is a layer of rock in the ground

how many molecules of oxygen are contain in 100 ml of air at NTP? (air contains 21% oxygen by volume​

Answers

Answer:

600

Explanation:

because if there's 6 molecules in each then 6×100 is 600

Explain what the color change indicated about the changes in the concentrations of Co(H2O)62+ and CoCl42– in each trial.
Trail one
starting color: purple
added 3 drops of Hcl(aq)
end color:blue

Trail two
start color is :blue
added 3 drops of AgNOv3(aq)
and White stuff forms at the bottom.
end color is: light pink

Answers

Addition of HCl  leads to te formation of blue CoCl4^2– while the addition of AgNO3 leads to the formation of pink  Co(H2O)6^2+.

What is equilibrium?

Dynamic equilibrium is said to have been attained in a reaction when the rate of forward reaction is equal to the rate of reverse reaction. Now we have the equilibrium as shown in the image attached.

When we add HCl as in trial 1, the equilibrium position is shifted to the left and blue CoCl4^2– is formed. When we add AgNO3, the Cl^- is precipitated out of solution and the equilibrium shifts towards the left to yield pink Co(H2O)6^2+.

Learn more about equilibrium: https://brainly.com/question/13463225?

SECOND TERM 2021/2022 HOLIDAY ASSIGNMENT

SUBJECT: CHEMISTRY CLASS SS1

1 (a) Define a salt

(b) The basicity of tetraoxosulphate VI acid is 2. Explain this statement with equation showing

the reaction between the acid and potassium hydroxide

2. Define buffer solution and give two uses of buffer solutions.

3. Explain and give an example each of

(a) Hygroscopy (b) Efflorescence (c) Deliquescence

4. The concentration of hydrogen ion H⁺ in two solutions are:

(a) 1 x 10⁻³moldm⁻³ and (b) 6 x 10⁻⁹moldm⁻³

What is the pH of each solution?

5. (a) Give three crystalline and four non-crystalline allotropes of carbon

(b) Give three differences between the two main crystalline allotropes of carbon.​

Answers


1.

a) Salt: any chemical compound formed from the reaction of an acid with a base, with all or part of the hydrogen of the acid replaced by a metal or other cation.

Acid + alkali → salt + water

b)

Tetraoxosulfate (VI), SO2−4,SO42−, is the second conjugate base from the dissociation of sulfuric acid, H2SO4.H2SO4. This acid is a diprotic acid and thus can donate two protons in an aqueous solution to form HSO−4HSO4− after the first dissociation and SO2−4SO42− after the second dissociation.

The fact that tetraoxosulfate (VI) is dibasic means in terms of Brønsted-Lowry acid-base theory, the ion can accept two protons, or in other words, the parent acid donates two protons upon dissociation. This can be shown by the equation of the reaction between the parent sulfuric acid and potassium hydroxide where two hydrogens are replaced:

H2SO4+2KOH → K2SO4+2H2O

2. Buffer solutions are used as a means of keeping pH at a nearly constant value in a wide variety of chemical applications. In nature, there are many systems that use buffering for pH regulation.

For example, blood in the human body is a buffer solution.

Buffer Solutions are used for fermentation in the making of alcohol


I've only answered 1 & 2

If 25.0 g NO are produced, how many grams of nitrogen gas are used?

A: 5.84 g
B: 11.7 g
C: 23.3 g
D: 33.6 g

Answers

Based on the assumption that the reaction involves N and O to produce NO, if 25.0 g of NO are produced, the amount of N gas used would be 11.66 grams

Stoichiometric calculation

From the equation of the reaction:

       N + O ---------> NO

Mole ratio of N to NO is 1:1

Mole of 25.0 g of NO = 25/30.01 = 0.833 moles

Equivalent mole of N = 0.833 moles

Mass of 0.833 moles N = 0.833 x 14 = 11.66 grams

More on stoichiometric calculations can be found here: https://brainly.com/question/8062886

3.0 Liters of gas at a pressure of 0.90 atm is compressed to 2.0 atm.
What is the new volume?

Answers

Answer:

5.5 L

Explanation:

How many energetically equivalent ways can you distribute the particles in system a?.

Answers

The number of energetically equivalent ways that one can distribute the particles in system A and B are 1 and 6 respectively.

How to calculate the number of ways?

From thx complete information, system A has only 1 distribution that's possible.

For system B, the number of ways will be:

= 3 × 2 × 1

= 6

In conclusion, the correct options are 1 and 6 respectively.

Learn more about particles on:

https://brainly.com/question/80295

What is the oxidation number of chromium in sodium dichromate, na2cr2o7?.

Answers

Answer:+6

Explanation:Oxygen always has an ON of -2 so when there’s O7 the total is -12. Sodium is in group 1 so has an ON of +1 that means with two of them it’s overall ON is +2. When you combine the two that equals -12 but you want it to equal 0. So it would be +12. Considering there are two chromium present you would divide that by 2 making the answer +6.

A sample of an ideal gas at 1.00 atm and a volume of 1.96 L was placed in a weighted balloon and dropped into the ocean. As the sample descended, the water pressure compressed the balloon and reduced its volume. When the pressure had increased to 15.0 atm, what was the volume of the sample

Answers

Answer: 0.130 L

Explanation:

Suppose that an individual's arm is cut, and because of this injury, bacteria are able to gain entry to the body and cause disease. What type of defense has been breached (overcome)?

adaptive defense

physical defense

chemical defense

Answers

Answer:

Physical :)

Explanation:

Skin works as a shield to the outside elements and does a good job of keeping the bad stuff out. :)

Have an amazing day!!

Please rate and mark brainliest!!

What amount of heat is required to increase the temperature of 75.0 g of water from 22.3˚C to 36.1˚C?

Answers

Answer:

4332.5 j

Explanation:

Specific heat of water is 4.186 j /g-C

4.186 j / g-C  * 75 g  * (36.1-22.3 C) =

If 162.35 g aluminum hydroxide are dissolved in 6750 mL of solution, what is the concentration of the solution?

Answers

If 162.35 g aluminum hydroxide are dissolved in 6750 mL of solution, the concentration of the solution is 0.308M

How to calculate concentration?

The concentration of a solution can be calculated using the following formula:

Molarity = no of moles ÷ volume (L)

However, the number of moles in 162.35g of Al(OH)3 must be calculated as follows:

Molar mass of Al(OH)3 = 78g/mol

no of moles = 162.35g ÷ 78mol

no of moles = 2.08mol

Molarity = 2.08mol ÷ 6.75L

Molarity = 0.308M

Therefore, if 162.35 g aluminum hydroxide are dissolved in 6750 mL of solution, the concentration of the solution is 0.308M.

Learn more about molarity at: https://brainly.com/question/2817451

Which compound below will readily react with a solution of bromine consisting of 48% hydrobromic acid and 30% hydrogen peroxide?

Answers

Answer:

cyclohexene I think that's the answer

Other Questions
A glass holds 189 milliliters of juice. How many liters will 36 glasses hold? is 0.304 meters less than 1 meter Natasha's uncle has a rectangular field that has an area of 5/8 square miles. The width of the field is 1/4 mile. How long is the field? Show your work. Which lines create a mournful mood?The Dreams of the Dreamerby Georgia Douglas JohnsonThe dreams of the dreamerAre life-drops that passThe break in the heartTo the soul's hour-glass.The songs of the singerAre tones that repeatThe cry of the heart'Till it ceases to beat. Why did Communism appeal to poor people in Russia. A causal argument should(Choose all that apply) A. review basic assumptions about the causes or effects of an event without providing evidence to back up those assumptions. B. analyze the causes or effects of an argument in-depth C. speculate about the causes of an event or the effects of an event without establishing clear evidence that links the two. D. investigate the links between an event and it's effects or the causes of an event. Select the correct answer.Which sentence fully illustrates that polygon ABCD is congruent to polygon PQRS?A. Corresponding pairs of angles on ABCD and PQRS are equal in measure.B. Corresponding pairs of sides on ABCD and PQRS are equal in length.C. Polygon ABCD maps to polygon PQRS through a reflection only.D. Polygon ABCD maps to polygon PQRS through a translation only.Reset NextTransformations and Congruence: Mastery Test 2022 Edmentum. All rights reserved. For each of the ocean water changes listed below, indicate whether the water will sink or riseIncrease in salinityIncrease in temperatureFreezingDilution from river waterEvaporation from heat at the surface express the following rational algebraic expression to its simple form.show your solution4. - 1 / - 2+1 Find the volume of a pyramid with a square base, where the perimeter of the base is 14 m and the height of the pyramid is 8.8 m. Round your answer to the nearest tenth of a cubic meter. fasts one to answer BOTH QUESTIONS get brainly and if you just answer one well a thanks :) What is Imperialism?Do you think the United was a World Leader or Bully regarding Imperialism?Cite evidence from the lesson.thanks When "b" = 6, solve for "a" using the following formula: a2 = 2b + 1 Identify the graphed linear equation.A: y=2x +2B: y=2x +3C: y=3x +2D: y=3x +3 Consider the GDP deflator and real GDP, given in thousands of dollars, for the country of Economica.The base year, or base period, is year 3. For the given years, calculate the nominal GDP. Round your answers to the nearest dollar.What is the nominal GDP for year 1?What is the nominal GDP for year 2?What is the nominal GDP for year 3? What product does the united states export the most to pacific basin countries?. Part C- Write foreign policy proposal.Write your report to the government of Karmin in the form of a three-paragraph essay. Use this rubriceto guide your response. Be sure to answer the following questions:1. What do you think your country's foreign policy goals should be? Do you want to gain power andinfluence overseas or simply protect your sovereignty? Explain why you think these goals are appropriate,using historical examples.2. Should the country align itself with NATO, the Warsaw Pact, or the UnalignedMovement? Explain youranswer, using historical examples.3. However the country chooses to align itself, what type of foreign policy should it have toward the rest ofthe world? Should it be more aggressive or more diplomatic? Explain your answer, using historicalexamples. 13. Subtract 0.291 from 0.4 What did you include in your response? Check all that apply. The rounded conversion will not give an accurate answer based on the limitations of the problem. Using the more accurate conversion factor will give an answer that can then be rounded to 2 decimal places. wat is significant about ''The jazz age Why did the development of time zones make train schedules more reliable?