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lana66690 [7]
3 years ago
6

What is the velocity of a 500 kilgram elevator that has 4000 joules of energy?

Chemistry
1 answer:
nirvana33 [79]3 years ago
5 0
<span>Oct 15, 2016 - You'll have to use the formula to find kinetic energy, E=1/2*m*v^2 the ... input which is 4000 juoles, the mass is 500 kg and the velocity is what ...</span>Kinetic/Potential Energy math problems? | Yahoo Answershttps://answers.yahoo.com/question/index?qid=20090326203307AACcKkz<span>CachedSimilar</span><span>Mar 26, 2009 - You don't have to answer them all, only the one(s) you know. 1. What is the velocity of a 500 kilogram elevator that has 4000 Joules of energy?</span><span>What is the velocity of a 800 kilogram elevator that has 3,560 ...</span>May 19, 2013<span>What is the velocity of an 500 kilogram elevator that has 4000 ...</span>Jan 30, 2013<span>What is the velocity of a 500 kg elevator that has 4,000 J of ...</span>Oct 19, 2011can someone help me with a couple of science/math problems ...Nov 28, 2007More results from answers.yahoo.com<span>[PDF]Ch. 11 Energy and Motion Review - Ms. Stalker</span>msstalker.weebly.com/uploads/3/2/1/1/.../ch.11_study_guide_review_answers.pdf<span>CachedSimilar</span><span>The truck has greater kinetic energy because its ... Energy= joules. Weight= Newton ... What is the velocity of a 500-kg elevator that has 4000 J of energy?</span><span>[DOC]Energy Problems (from combo page) - Midland ISD</span>www.midlandisd.net/cms/lib01/.../Energy%20Problems%20Gallery%20Walk.docCached<span>Determine the amount of potential energy of a 5 N book that is moved to 3 ... What is the velocity of a 500 kg elevator that has 4000 joules of kinetic energy? Ans:.</span>What is the velocity of an 500 kg elevator that has 4000 J of energywww.answers.com › ... › Categories › Science › Units of Measure › Weight and Mass<span>CachedSimilar</span><span>1/2(500kg) • v^2 = 4000J V = √(4000÷250) = 4 m/s. ... 250 kg roller coaster car has 20000 J of potential energy at the top of the hill what is the velocity of the car at the ... KE = 1/2mV^2 300 Joules = 1/2(1500 kg)V^2 multiply through by 2 600 ...</span>What is the velocity of an 500 kg elevator that has 4000 joules of energywww.answers.com › WikiAnswers › Categories › Science<span>CachedSimilar</span><span>500 joules is equal to 368.78 ft-lbf. For example, an object has 500 joules of kinetic energy, when its mass is 10 kg (~22 lbs) and it is traveling at 10 m/s (36 km/h ...</span>What is the velocity of an 500-kilogram elevator that has 4000 joules of ...brainly.com › High School › PhysicsCached<span>Mar 5, 2014 - ... is the velocity of an 500-kilogram elevator that has 4,000 joules of energy? ... Brainly has millions of high quality answers, all of them carefully ...</span>Potential energy and Kinetic energy Flashcards | Quizlethttps://quizlet.com/151831434/potential-energy-and-kinetic-energy-flash-cards/Cached<span>What is the kinetic energy of a 3-kilogram ball that is rolling at 2 meters per ... What is the velocity of an 500-kilogram elevator that has 4,000 joules of energy?</span>Energy Problems Key.pdf - Owen J. Roberts School Districtojrsd.schoolwires.net/site/.../filedownload.ashx?...Energy%20Problems%20Key.pdf<span>A description for this result is not available because of this site's robots.txtLearn more</span><span>[PDF]Gravitational Potential Energy and Motional Kinetic _Enerqv Forms of ...</span>www.mayfieldschools.org/.../Worksheet_MechanicalEnergy_2015_Solutions.pdf<span>CachedSimilar</span><span>measured in joules. ... kilograms) as well as the velocity or speed of that object. .... is the velocityiof a 500-kg elevator that has 4000 J of motional kinetic energy?</span> .mfr{margin-top:1em;margin-bottom:1em}#brs{}#brs{margin-bottom:28px}#brs .med{color:#222;height:auto;padding-bottom:8px}.brs_col{font-size:14px;margin-top:-1px;padding-bottom:1px;display:inline-block;line-height:20px;vertical-align:top;max-width:100%;box-sizing:border-box}#brs ._e4b{margin:0;clear:both}#brs a{padding:3px 32px 3px 0;display:inline-block;float:left}#brs a{text-decoration:none}g-section-with-header{display:block;margin:40px 0}._ojo{padding:0 0px 12px 0px} <span>Searches related to what is the velocity of a 500 kilogram elevator that has 4000 joules of energy<span>what is the mass of an object that creates 33,750 joules of energy by traveling at 30 m/sec?</span><span>what is the mass of an object traveling at 30. m/s if it has 33,750 j of energy?</span><span>what is the mass of an object traveling at 30m/s if it has 33 750 j of energy</span><span>what is the mass of an object that creates 33750 joules of energy by traveling at 30 m s</span><span>what is the mass of an object that creates 33 750 joules of energy by traveling at 30 m/sec</span><span>in a lab investigation one group of students</span><span>what is the kinetic energy of a 2,000-kilogram boat moving at 5 m/sec?</span><span>what is the mass of an object that creates 33750 joules of energy by traveling at 30m/s</span></span>
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Describe endothermic vs. exothermic reactions in terms of product formation. (hint: what happens when products are formed?)
shusha [124]

Answer:

Endothermic reaction chemical equation

Reactnt A + Reactant B + Heat (energy) ⇒ Products

Exothermic reaction chemical equation

Reactnt A + Reactant B ⇒ Products + Heat (energy)

Explanation:

Endothermic Reaction

An endothermic reaction is a reaction that reaction that requires heat before it would take place resulting in the absorption of heat from the surrounding that can be sensed by the coolness of the reacting system

An example of an endothermic reaction is a chemical cold pack that becomes cold when the chemical and water inside it reacts

Exothermic Reaction

An exothermic reaction is one that rekeases energy to the surroundings when it takes place. This is as a result of the fact that the combined heat energy of the reactants is more than the chemical heat energy of the products. An example of an exothermic reaction is a burning candle

5 0
2 years ago
What is the chemical formula of the salt produced by the neutralization of potassium hydroxide with sulfuric acid?KSO3KSO4K(SO4)
kakasveta [241]

Answer: The salt produced will be K_{2}SO_{4}

Explanation:

During a neutralization reaction, an acid reacts with a base for producing the correspondent salt, and water.

The strong acids release all the protons avalaible when are dissolved, such as sulfuric acid. As you can see, sulfuric acid have 2 protons ready for being released (H_{2}SO_{4}); and those places have to be occcupied for other ions equivalents to the H+: K+ from KOH in this case.

Therefore the answer will be K_{2}SO_{4}.

6 0
2 years ago
An atom is the smallest identifiable unit of a compound true or false
notsponge [240]
 False that  atom  is the smallest  identifiable  unit  of  a compound.

The   smallest   identifiable  unit  of   a compound  is  the    Element.  Element  is the one which  make up the  compound  and element  is made up by atoms.  Example  of element  is  oxygen  and  hydrogen  which  make  up water (H2O) which is  a compound.
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3 years ago
An increase in which property would cause an electromagnetic wave's energy
patriot [66]
C. Answer correct I think…
7 0
2 years ago
When copper metal is added to nitric acid, the following reaction takes place
zlopas [31]

Answer:

The volume of NO₂ gas collected over water at 25.0 °C is 1.68 Liters.

Explanation:

Cu (s) + 4 HNO_3 (aq) \rightarrow Cu(NO_3)_2 (aq) + 2 H_2O (l) + 2 NO_2 (g)

Moles of copper = \frac{2.01 g}{63.55 g/mol}=0.03163 mol

According to reaction, 1 mol of copper gives 2 moles of nitrogen dioxide gas.

Then 0.03613 moles of copper will give:

\frac{2}{1}\times 0.03163 mol=0.06326 mol of nitrogen dioxide gas

Moles of nitrogen dioxide gas = n = 0.06326 mol

Pressure of the gas = P

P = Total pressure - vapor pressure of water

P = 726 mmHg - 23.8 mmHg = 702.2 mmHg

P = 0.924 atm (1 atm = 760 mmHg)

Temperature of the gas = T = 25.0°C =298.15 K

Volume of the gas = V

PV=nRT

V=\frac{0.06326 mol\times 0.0821 atm L/mol K\times 298.15 K}{0.924 atm}

V = 1.68 L

The volume of NO₂ gas collected over water at 25.0 °C is 1.68 Liters.

3 0
3 years ago
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