Wednesday
June 19, 2013

# Search: A battery consists of five dry cells connected in series. If the voltage developed by each cell is 1.5 V, the total voltage developed by the battery is

Number of results: 11,402

electricity and electronics
a battery consists of 5 dry cells connected in series.if the voltage developed by each cell is 1.5 the total voltage developed by the battery is
Saturday, November 1, 2008 at 9:06am by meeko

electricity and electronics
a battery consists of five cells connected in series if the voltage developed by each cell is 1,5 the total voltage developed by the battery is 5 x 1.5 = 7.5 V Battery voltages add when connected in series.
Wednesday, August 10, 2005 at 3:25pm by annette

physics
1.) Draw a set of 1.5-volt cells in a series circuit so that the total battery voltage is 9 volts. A.) how many cell does it take? B.) show polarity connection. C.) suppose you connected one of the cells in part (a) so that it was backwards. what would the voltage across the ...
Sunday, September 30, 2012 at 6:47pm by nitz

physics
1.) Draw a set of 1.5-volt cells in a series circuit so that the total battery voltage is 9 volts. A.) how many cell does it take? B.) show polarity connection. C.) suppose you connected one of the cells in part (a) so that it was backwards. what would the voltage across the ...
Sunday, September 30, 2012 at 10:56am by nitz

Chemistry
Compare & Explain the differences between a lead-acid battery and a dry-cell battery?
Wednesday, November 3, 2010 at 7:21pm by sarah

chemistry
http://www.wisegeek.com/what-is-a-dry-cell-battery.htm
Wednesday, February 22, 2012 at 8:45pm by DrBob222

Chemistry
A battery is constructed based on the oxidation of magnesium and the reduction of Cu^2+. The initial concentrations of Mg^2+ and Cu^2+ are 1.2*10^-4M and 1.5M, respectively, in 1.0-L half-cells. The initial voltage of the battery is 2.83V with the standard voltage at 2.71V. ...
Sunday, May 2, 2010 at 8:31pm by Emma

Physics
The internal resistance of a dry cell increases gradually with age, even though the cell is not used. The emf, however, remains fairly constant at 1.5 V. Dry cells must be tested for age at the time of purchase by connecting an ammeter directly across the terminals of the cell...
Tuesday, February 12, 2008 at 4:33pm by J

anatomy
Hope this helps Cutaneous (skin) – consists of keratinized stratified squamous epithelium attached to a thick layer of dense irregular connective tissue (dermis); is a dry membrane The effect of cellular pathology and keratinization of skin and nasal cells upon binding of...
Tuesday, September 9, 2008 at 8:26pm by Debbie

science
what are cells made from? Please, what kind of cells? There are many kinds. Jail cells, hive cells, plant cells, animal cells, blood cells, brain cells. We need a more definitve question.
Wednesday, April 18, 2007 at 5:24pm by simrandeep

biology
From ucmp dot Berkly dot edu, ~~~~~~~~~~~~ Hooke had discovered plant cells -- more precisely, what Hooke saw were the cell walls in cork tissue. In fact, it was Hooke who coined the term "cells": the boxlike cells of cork reminded him of the cells of a monastery. ...
Wednesday, March 13, 2013 at 8:56pm by Ken

biology
WHy is it better to use a wet mount preparation rather then a dry one? are plant and animal cells prokaryotic or eukaryotic? WHy do cells have different shapes and sizes?
Tuesday, October 6, 2009 at 8:59pm by anonymous

Physics
A battery charger is connected to a dead battery and delivers a current of 4.5 A for 6.0 hours, keeping the voltage across the battery terminals at 12 V in the process. How much energy is delivered to the battery?
Thursday, September 6, 2007 at 8:19pm by Mary

biology
need a list describing at least five similarities and three differences between plant and animal cells. In addition i need five internal structures of plant or animal cells and describe their functions in my own words.
Sunday, April 4, 2010 at 12:32am by Anonymous

I'm not sure whether you are concerned about the appearances of the cells or organisms. Unless the organism consists merely of a collection of one-celled organisms, the cells will need to perform different functions. The cells will be modified to serve these functions, ...
Saturday, June 6, 2009 at 2:31pm by PsyDAG

chemistry
What is the general form of a common automobile battery? How many electrodes does a car battery use? Does it use an acidic aqueous electrolyte solution? Is the battery rechargeable? Is the battery voltaic or electrolytic when discharging? Is the battery voltaic or electrolytic...
Friday, April 27, 2012 at 10:23am by Anonymous

science
a dry cell or power source (7 letter word) battery?
Sunday, March 25, 2007 at 9:34am by memo

physics
A 8 V flashlight battery has an internal resistance of 1.7 &#937; when new, and 8 &#937; when old. Imagine this is a resistor in series with the battery mounted INSIDE the battery itself, which describes the chemical degradation of the battery with age. Calculate the ...
Tuesday, July 19, 2011 at 2:16pm by Naina

Alkaline Dry Cell
I need to be able to label all parts of battery
Sunday, May 22, 2011 at 2:25am by Pat

physics
I have to build a mini solar car for a school project and i have three solar cells that i bought. whenever i hook up the solar cells i get a reading between 1.5-1.8 volts, but when i hook it up to the motor it wont start it. According to the box the motor only requires 1.5v ...
Sunday, May 6, 2007 at 2:44am by Matt

Alkaline Dry Cell
It is described here, where there is a good diagram as well. http://www.madehow.com/Volume-1/Battery.html
Sunday, May 22, 2011 at 2:25am by drwls

physics
Consider a battery that has Vt = 12.0 V when it is not connected to a circuit. When a 10.0-&#61527; resistor is connected with the battery, the potential difference across the battery’s terminals drops to 10.9 V. What is the internal resistance of the battery?
Wednesday, September 12, 2012 at 8:32am by anna

English
Sunlight hits the solar cells on the backpack. The solar cells change sunlight into electricity. The electricity is stored in the battery. A cell phone or an MP3 player can be plugged into it. (In this passage, what does 'it' refer to in the last sentence?)
Tuesday, December 7, 2010 at 4:28pm by rfvv

Physics
A circuit consists of a self inductor of L=0.003 H in series with a resistor R1=5 Ohm. Parallel to these is a resistor R2=10 Ohm. A battery of V0=9 volt is driving the circuit. Current has been running for 10 minutes. (a) How much energy (in Joules) is now stored in the self-...
Tuesday, April 9, 2013 at 2:44pm by abdul rahman

Physics
A battery of three cells in series each of emf 2v and internal 0.5 ohms is connected to 2ohms resistor in series with a parallel combination of two 3ohms resistors (a)draw the circult diagram (b)the effective of external resistance (c)the current in the circult (d)the lost ...
Tuesday, November 23, 2010 at 5:08am by Emmanuel

physics
The voltage across the terminals of a 8.90 V battery is 8.00 V when the battery is connected to a 50.0 \Omega load.What is the battery's internal resistance?
Wednesday, March 9, 2011 at 9:36pm by Mitchell

Explain why the top of a commercial 1.5 V dry cell battery is always marked with a plus sign.
Tuesday, November 17, 2009 at 3:21pm by Ron

PHYSICS
When the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.73 A. When the resistors are connected in parallel to the battery, the total current from the battery is 10.1 A. Determine the two resistances.

Ap Biology
We performed a lab that studied osmosis in potato cells. We put cylinders of potato into varying molar Sucrose solutions and after recording different types of data were able to find the osmotic and water potential of the sucrose solution and potato cells. One of the questions...
Saturday, November 24, 2007 at 8:46pm by Jessie

Physics
A battery has an internal resistance of 0.42. A number of identical light bulbs, each with a resistance of 31.500, are connected in parallel across the battery terminals. The terminal voltage of the battery is observed to be one-half the emf of the battery. How many bulbs are ...
Wednesday, September 26, 2012 at 7:47pm by Luis

Physics
If the emf of a battery is 23 V and a current of 66 A is measured when the battery is shorted, what is the internal resistance of the battery? Answer in units of &#8486; How would you set up the equation to solve?
Monday, March 4, 2013 at 5:09pm by Tiffany

Physics
A battery delivering a current of 55.0 A to a circuit has a terminal voltage of 21.8 V. The electric power being dissipated by the internal resistance of the battery is 36 W. Find the emf of the battery.
Monday, February 18, 2013 at 7:00pm by Anonymous

Anatomy/Physiology
Structurally, what is the difference between the dermis and epidermis? A. The epidermis is thicker. B. The dermis contains more types of tissue. C. The dermis is mostly of dead skin cells. D. The epidermis consists of mostly adipose cells. I'm thinking b or c.
Wednesday, August 5, 2009 at 1:12pm by Cheryl

Physics
A 2.0-ohm resistor is connected in series with a 20.0-V battery and a three-branch parallel network with branches whose resistances are 8.0 ohms each. Ignoring the battery's internal resistance, what is the current in the battery?
Thursday, April 4, 2013 at 5:17pm by leo

Biology
A student claims the probability a human sperm will receive all chromatids of maternal origin is 50 %. Explain why she is wrong. Are the following true or false and support your answer: i. Red blood cells and nerve cells in adult humans are suitable for karyotyping (...
Monday, September 19, 2011 at 10:10am by Ashley

The cells of cellular slime molds bear a resemblance to: a) flagellated cells b) diatoms c) ciliated cells d) dinoflagllates e) amoeboid cells I think it's b!
Friday, January 8, 2010 at 8:44pm by Jennifer

Physics
A battery of three cells in series each of emf 2v and internal 0.5 ohms is connected to two ohms resistors in series with a parallel combination of two 3ohms resistors? (a) draw the circult diagram (b)the effecive of ex ternal resistance (c)the current in the circult (d)the ...
Tuesday, November 23, 2010 at 1:29am by Emmanuel

science
What are stem cells? Stem cells, the basic building blocks of human development, are sometimes called “magic seeds.” That’s because they can regenerate human tissue of various kinds. The use of stem cells is controversial because the best source for the cells is...
Thursday, April 19, 2007 at 5:01pm by HERSHEYS

physics
A new "D" battery has an emf of 1.5 V. When a wire of negligible resistance is connected between the terminals of the battery, a current of 25 A is produced. Find the internal resistance of the battery. ________ &#937;
Wednesday, January 26, 2011 at 11:36pm by ali-1

physics
A car battery has a rating of 200 ampere·hours (A·h). This rating is one indication of the total charge that the battery can provide to a circuit before failing. What is the total charge (in coulombs) that this battery can provide? Determine the maximum current ...
Wednesday, January 30, 2008 at 8:50pm by rick

Physics
A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V. (C is the capacitance and U is the stored energy.) Answer the following questions regarding the capacitor charged by a battery. For ...
Monday, February 6, 2012 at 7:43pm by Jeff

health
2. ________ in the pancreatic islets secrete the hormone insulin in response to a high concentration of glucose in the blood. A. Beta cells B. Alpha cells C. Gamma cells D. Sigma cells i put b but it said it was wrong
Tuesday, September 18, 2012 at 11:17am by chris

physics
To recharge a 12 V battery, a battery charger must move 2.7 × 105 C of charge from the negative terminal to the positive terminal. How much work is done by the battery charger? Answer in units of J
Monday, April 16, 2012 at 1:25pm by Anonymous

biology
how do some cells become brain cells and others become skin cells when the DNA in all of the cells is exactly the same
Thursday, April 1, 2010 at 10:17pm by m

Chemistry
That distance indicates different chemical reactivity, and usually indicates they might be suitable for eleectrochemical reactions in battery cells.
Monday, March 4, 2013 at 8:12pm by bobpursley

math question
A dry cleaning service decided to raise the price of dry cleaning shirts from \$4.00 to \$5.00. The same percentage increase was applied to dry cleaning a jacket. The old cost of dry cleaning a jacket was \$10.00. What is the new cost of dry cleaning a jacket?: *
Saturday, September 22, 2007 at 1:34am by --

English
In #s 2 and 5, the word "battery" needs to be replaced by "power" -- the battery is still there, but its power has been used up. Also in #2, the second sentence needs to have "battery" in place of "it." All others are fine.
Monday, March 28, 2011 at 6:49am by Writeacher

maths
a computer game and battery costs£21. the game costs £20 more than the battery.so how much does the battery cost?
Sunday, June 8, 2008 at 7:25am by bill

Physics
A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V. (C is the capacitance and U is the stored energy.) Answer the following questions regarding the capacitor charged by a battery. For ...
Thursday, February 14, 2013 at 10:07pm by Nicole

Physics
A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V. (C is the capacitance and U is the stored energy.) Answer the following questions regarding the capacitor charged by a battery. For ...
Thursday, February 14, 2013 at 9:45pm by Nicole

Biology
4)You count your cells and have 8x10&#7610;5 viable cells/ml you want to see (dilute the cells) to end up with 2x10&#7610;5 viable cells/ml. What volume of cells will you put into 20 ml?
Tuesday, December 6, 2011 at 8:01pm by Daniel

chemistry
4)You count your cells and have 8x10&#7610;5 viable cells/ml you want to see (dilute the cells) to end up with 2x10&#7610;5 viable cells/ml. What volume of cells will you put into 20 ml?
Tuesday, December 6, 2011 at 8:01pm by Daniel

AP Bio LAB
would the water potential of potaot cells change if cylinders were alloewd to dry out? in what way? increase or decrease? thanks.
Thursday, October 2, 2008 at 11:29pm by Simone

Cells are to tissues as organs are to 1 ORGAN SYSTEM 2 CELLS 3 GENES 4 ORGANELLES IS THE ANSWER 1 ORGAN SYSTEM Which of statements about cells is not true? 1. One or more cells make up all living organisms 2 cells carry on the basic life functions of living organisms 3 cells ...
Monday, October 3, 2011 at 6:48pm by GAspar

Physics
A 79.4-&#937; and a 47.7-&#937; resistor are connected in parallel. When this combination is connected across a battery, the current delivered by the battery is 0.296 A. When the 47.7-&#937; resistor is disconnected, the current from the battery drops to 0.126 A. (...
Wednesday, March 6, 2013 at 5:06am by ann

Chemistry
how do you identify an anode and cathode by direct observation in an electochemical battery when you dont have a voltmeter and the chemicals are no known. I look on the battery for a + and - sign. In a battery, the + pole is the cathode and the - pole is the anode.
Thursday, January 11, 2007 at 10:20pm by lucie

Math
(Growth of Cells) Suppose that after t hrs, there are p (t) cells present in a culture, where P(t) = 5000e*^2t a) How many cells were present initially? b) Give a differential equation satisfied by P(t) c) When will the population double? d) When will 20,000 cells be present?
Monday, June 29, 2009 at 10:45pm by Mitch

Physics - Help!
All, Please just help me in this, I will need you to please give me the clue-thanks. a flashlamp bulb is marked '2.5V,0.30A' and has to be operated from a dry battery of e.m.f 3.0V for the current p.d. of 2.5V to be produced across it. Why?
Wednesday, April 18, 2007 at 12:54pm by Sola

Science - - Cells
What structures are found only in animal cells? I can't figure it out...I know that chloroplasts and a cell wall are only contained by plant cells. But what about animal cells?
Monday, December 3, 2007 at 9:26pm by Eve

A parallel plate capacitor with plate separation d is connected to a battery. The capacitor is fully charged to Q Coulombs and a voltage of V Volts. (C is the capacitance and U is the stored energy.) Select true or false for each statement. 1) With the capacitor connected to ...
Monday, February 6, 2012 at 8:17pm by archi

CHEMISTRY
Suppose that a fully charged lead¨Cacid battery contains 1.16 L of 5.00 M H2SO4. What will be the concentration of HSO4- in the battery after 2.83 A of current is drawn from the battery for 6.3 h? Pb(s) + PbO2(s) + 2H+(aq) + 2HSO4&#8722;(aq) ¡ú 2PbSO4(s...
Saturday, December 1, 2012 at 12:11am by sabrina:help please

Physics
A car battery is rated at 90A hr, meaning that it can supply a 90A current for 1 hr before being completely discharged. If you leave your headlights on until the battery is completely dead, how much charge leaves the positive terminal of the battery?
Wednesday, February 17, 2010 at 6:24pm by Anthony

Biology
Which plant cells lack a nucleus? A) sieve cells B) xylem C) companion cells D) both companion and parenchyma cells E) both xylem and sieve-tube cells Why is the answer E?
Wednesday, February 27, 2008 at 3:47pm by Cindy

pHYSICS
Two resistors have resistances R(smaller) and R(larger), where R(smaller) &lt; R(larger). When the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.99 A. When the resistors are connected in parallel to the battery, the total current...

PHYSICS 2
Two resistors have resistances R(smaller) and R(larger), where R(smaller) &lt; R(larger). When the resistors are connected in series to a 12.0-V battery, the current from the battery is 1.99 A. When the resistors are connected in parallel to the battery, the total current ...

Physics (batteries)
Question: After five minutes of use, a 1Ah capacity battery has lost 0.5Ah of capacity. Calculate the average current draw over the five minute period. Believe it or not, I haven't actually been set this question as homework. I am merely curious and constructed it myself. ...
Monday, November 26, 2007 at 5:25pm by JohnH

biology
can you explain the differences and similarities between the energy cycles of human cells, plant cells, and yeast cells?
Wednesday, October 14, 2009 at 10:00pm by wesley

Physics
Suppose the battery on your phone delivers a current of 0.740 mA (that's milliAmperes) over a time of 4.00 hours. What is the total charge that flows out of the battery during this time? AND How many electrons flow out of the battery during this time?
Monday, January 28, 2013 at 1:24pm by Tessa

Excel VBA
The ActiveWorksheet has an array called Cells. So, if you say Cells(i,1) = values(i) Cells(i,2) = funct(i) then the columns will get filled in as you loop
Sunday, October 30, 2011 at 11:45pm by Steve

physics
The load across a 12 V battery consists of a series combination of three resistors 21 ohm, 22 ohm, and 56 ohm. What is the total resistance of the load?
Monday, March 28, 2011 at 7:13pm by maria

Math
The decimal number 0.75 means: A. there are seventy-five parts of a whole unit that has 100 parts. B. there are seven-and-a-half parts of a whole unit. C. that a whole unit consists of seventy-five parts. D. seventy-five tenths of a whole unit.
Saturday, July 14, 2012 at 5:16pm by Loulou

Biology
The mitochondria evolved in eukaryotic cells from a symbiotic relationship with prokaryotic cells; prokaryotic cells do not have a mitochondria because in a sense, they are mitochondria. Prokaryotic cells divide by binary fission, which is similar to mitosis. However, ...
Friday, March 1, 2013 at 2:11am by Devron

Physics
I'm stumped on what formula to use for the following question. A 1.5V battery does 4.5*10^2 J of work in 120s. Calculate the current through the battery Calculate the number of elementary charges that pass through the battery. I've been trying to figure out the formula...
Wednesday, August 26, 2009 at 11:03pm by Kate

physics
The load across a 12 V battery consists of a series combination of three resistors 21 ohm, 22 ohm, and 56 ohm. What is the total resistance of the load? Answer in units of .
Tuesday, March 29, 2011 at 7:53pm by maria

Science
Describe the difference and function between how plant cells and animal cells obtain food. I put something like- plant cells get food by photosynthesis, using chloroplast, sun, water, and carbondioxide. animal cells get food by digesting water, meat, vegetables, nutriends, ...
Tuesday, September 20, 2011 at 6:36pm by Ann

Chemistry
This is supposed to be a discussion question. You need to read about lead-acid storage batteries and dry cells and put them in context. Someone here will be happy to comment on your findings if you care to post them.
Wednesday, November 3, 2010 at 7:21pm by DrBob222

stem cells
Stem cells may open the door to discoveries about many diseases and may allow treatments for diseases to be developed. However many ethical issues surround stem cell research which need to be addressed by scientists, governments, etc. a. Explain why scientists would want to ...
Sunday, December 9, 2012 at 10:51pm by Casey

Chemistry
1. Which metal is the most easily oxidized? A.) highly active metal *B.) moderately active metal C.) slightly active metal D.) an inactive metal 2. What happens in a voltaic cell? *A.) Chemical energy is changed to a electrical energy. B.) Electrical energy is changed to ...
Wednesday, March 27, 2013 at 2:32pm by Jack

Chemistry
1. Which metal is the most easily oxidized? A.) highly active metal *B.) moderately active metal C.) slightly active metal D.) an inactive metal 2. What happens in a voltaic cell? *A.) Chemical energy is changed to a electrical energy. B.) Electrical energy is changed to ...
Wednesday, March 27, 2013 at 1:34pm by Jose

chemistry
at 20 C the vapor pressure of dry ice is 56.5 atm. if 32 g of dry ice is placed in an evacuated .25 l chamber at a constant temperature of 20 C will all the dry ice sublime
Sunday, January 13, 2013 at 5:09pm by david

chemistry
at 20 C the vapor pressure of dry ice is 56.5 atm. if 32 g of dry ice is placed in an evacuated .25 l chamber at a constant temperature of 20 C will all the dry ice sublime
Sunday, January 13, 2013 at 5:06pm by david

physics
A circuit consists of a 12.0 V battery connected to three resistors 44 ohms, 15 ohms and 120 ohms in series. A)Find the current that flows through the battery. B)Find the potential difference across the 44 Ohms resistor. C)Find the potential difference across the 15 ohms ...
Sunday, February 12, 2012 at 5:39pm by jazz

Biolody
Which of the following is NOT a characteristic of the respiratory surface of the alveoli? a) Thin-walled b) Dry c) In contact with an environmental source of oxygen d) In contact with the transport system that carries dissolved materials to and from the cells of the organism
Monday, November 15, 2010 at 9:04pm by Brianna

physical
A battery of e.m.f 24v and internal resistance of 4ohms is connected to a resistor of 3ohms.what is the terminal potential difference of the battery
Sunday, March 6, 2011 at 1:33pm by vincent

science: cells
1~ What do red blood cells do and is there anything significantly different about them from other types of cells? 2~ What are bone cells and is there anything significantly different about them from other types of cells? (I just need help for studying i was absent a week from ...
Monday, February 12, 2007 at 9:05pm by Lesley

math
A car has a 12 volt battery. The engine has a resistance of 0.22 ohms. How many amps will be drawn from the battery when the key is turned?
Sunday, June 17, 2012 at 11:10pm by Leo

physics- electricity
An electric car uses a lithium metal hydride battery with a mass of 250 kg. The battery delivers 300v and holds a stored charge q of 70 ampere-hours. Calculate the total energy stored in the battery in kWh. Calculate the number of gallons of gas that would have an equivalent ...
Wednesday, February 27, 2013 at 11:37am by Anonymous

AP PHYSICS
A 3.0-uF capacitor and a 4.0-uF capacitor are connected in series across a 40.0-V battery. A 10.0-uF capacitor is also connected directly across the battery terminals. Find the total charge that the battery delivers to the capacitors. I NEED HELP WITH THIS PROBLEM. THANKS!
Tuesday, April 1, 2008 at 1:37pm by Becky

chemistryhelp
Generally, no. a. it is too corrosive(although it was the electrolyte used in one of the first cells by Volta.) b. it will not go through the reactions you want In a dry cell the MnO2 functions as one of the reactions.
Friday, February 24, 2012 at 5:36pm by DrBob222

chem - dry ice activity
when you add dry ice to water, it seems to boil. why is that? You are then transfering heat from the liquid water to the solid dry ice, which sublimes gaseous CO2 into the water.
Sunday, April 22, 2007 at 6:03pm by janis

biology
they are actually five cells, sense and respond to change reproduce energy DNA
Monday, August 11, 2008 at 7:18pm by student

Biology
Describe two similarities and two differences between eukaryotic cells and prokaryotic cells. Why do you think eukaryotic cells developed? Describe how eukaryotic cells are similar to a production line.
Thursday, April 10, 2008 at 10:14am by will

Grammar and Composition
please check: A popular even in the Olympic Games is the PENTATHLON, which consists of _____ events. five?
Wednesday, October 14, 2009 at 9:00pm by y912f

bio
Alternation of generations is defined as the switching back and forth between the production of: a. cells by mitosis and meiosis b. asexual and sexual reproductive cells c. gametophytes and saprophytes d. diploid and haploid cells MY ANSWER "A"
Monday, October 10, 2011 at 3:28pm by BOO!

college chemistry
Dry ice is solid carbon dioxide. Instead of melting, solid carbon dioxide sublimes according to the following equation: CO2(s)--&gt; CO2(g). When dry ice is added to warm water, heat from the water causes the dry ice to sublime more quickly. The evaporating carbon dioxide ...
Monday, November 9, 2009 at 9:34pm by Eddie

Peinciples of Management
a 31 year old female contracted HIV human immunodeficiency syndrome) Ordinarily harmless infections are deadly to her. Which answer below best explains how her antibody-response (b cell immunity) became weakened even though HIV primarily infects cells involved in T cell ...
Monday, February 18, 2013 at 7:52pm by Sabrina

Physics
A 22.8 kg turntable with a radius of 47 cm is covered with a uniform layer of dry ice that has a mass of 4.08 kg. The angular speed of the turntable and dry ice is initially 0.52 rad/s, but it increases as the dry ice evaporates. What is the angular speed of the turntable once...
Monday, April 14, 2008 at 6:00pm by Christina

Biology
I don't know any info an the first semester and midterms are tomorrow please help ( Populations, Communities, and Ecosystems Chemistry of Living Things History of Life on Earth: The First Simple Cells History of Life on Earth: Complex Cells Cells and Their Environment ...
Wednesday, January 19, 2011 at 9:57pm by Noemie

physics
Suppose a battery output a voltage of 9 volt. Calculate how many joules of energy are imparted to every individual electron moving through this battery?
Wednesday, May 22, 2013 at 1:49am by Abhijit

Physics
A battery has an internal resistance of 0.017 Ù and an emf of 9.00 V. What is the maximum current that can be drawn from the battery without the terminal voltage dropping below 8.75 V?
Saturday, February 23, 2013 at 8:03pm by Don

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