Newest questions and responses by briana

    a metal ball with a mass of 3g, a charge of 1 microcoulomb, and a speed of 40m/s enters a magnetic field of 20T. What are the maximum force and acceleration of the ball?

    asked on December 6, 2017
  2. Biology

    Grant’s DNA sample has a concentration of 45µg/mL, and he has 350µL of solution. Which of the following answers would allow him to run the proper amount of DNA on a quality control gel? A) He should dilute the sample 1:10 and load 10uL on the gel B) He

    asked on November 29, 2017
  3. Chemistry

    If the density of ocean water at a depth of 1.00 x 104 m is 1.071 g/mL and if 20.0 g of water at that depth contains 197mg of potassium chloride, what is the molarity of potassium chloride in the sample? It wants it in M.

    asked on October 19, 2017
  4. Chemistry

    is H2CO3+2LiOH=Li2CO3+2H2O a oxidation reduction reaction??

    asked on May 6, 2017
  5. Love

    What is love to you? Can it become powerful?

    asked on December 9, 2016
  6. physics

    suppose the experiment was conducted on the surface of the moon of about 1-6th that of the earth. If a single period takes exactly 1.00 second, how long does a period take on the moon ?

    asked on November 21, 2016
  7. Chemistry

    why are most elements on the periodic table found as compound in nature?

    asked on October 27, 2016
  8. Physics

    If the ball moves through the air for 3.2 seconds, what is the horizontal distance traveled by the ball? Round your answer to the nearest tenth

    asked on August 8, 2016
  9. English

    Hi can you check please if I did correct!

    asked on April 28, 2016
  10. English

    Hi can anybody help me with my assignment if I did correct my answers.thanks

    asked on April 22, 2016
  11. algebra

    Rhett decides to build a square room for his movie and music collection. If the area of the room is 9x2 − 6x + 1 square feet, what is the length of one side of the room? A. (3x + 1) feet B. (9x − 1) feet C. (3x − 1) feet D. (9x + 1) feet I am stuck

    asked on March 30, 2016
  12. English Essay

    Ms Sue can u check my essay! Topic sentence: Getting a job as a nursing assistant involved several important steps Getting a job as a nursing assistant involves several important steps. First, I researched the facility for the the interview through their

    asked on March 11, 2016
  13. English Vocubulary fourth edition

    I was not (1)______ (e)d with athletic ability. In frequent nightmare, I'm still trying to pass my mandatory gym class so that I can graduate from high school.The situation always looks grim.For one thing, the teacher has threatened me with (2)____________

    asked on March 10, 2016
  14. science

    Why is fresh water considered a limited resource?

    asked on February 22, 2016
  15. Physics

    A 9.7 kg block moving at 3 m/s makes a head-on elastic collision with a stationary block of mass 7.6 kg. Find the velocity of the 7.6 kg block. Answer in units of m/s.

    asked on January 31, 2016
  16. Physics

    The mass of a star in a galaxy far, far away, is 2.13 × 105 Earth masses, and the mean distance from the center of this star to the center of a planet with the same mass as our Earth is 7.87 × 108 km. Treating this planet and star as particles, with each

    asked on January 17, 2016
  17. math

    How many different ways can a team have a final score of 11 points in NFL football?

    asked on January 14, 2016
  18. math

    suppose she cut the cake into 8 pieces and 6 people ate all the pieces . explain how they could divided the pieces so that everyone ate the same amount of cake

    asked on January 13, 2016
  19. math

    Create a piecewise function of the following scenario where D(t) is the total distance walked (in miles) as a function of time t (in minutes): “You begin a walk from your home at a fast pace of 6 miles per hour for 25 minutes. You rest for 15 minutes,

    asked on September 16, 2015
  20. science

    electric charges that are different A. attract each other B. Repeal each other C. exist in pair D. DO not interact

    asked on June 2, 2015
  21. math

    A gardener rested his hose against a shed. The hose made a 50° angle with the ground

    asked on April 12, 2015
  22. English

    I am currently writing an argumentative essay about religion. The question is; Does religion better us as a society or does it create more conflict and division in the world? Being the Devils Advocate that I am I am going to argue that it creates more

    asked on January 24, 2015
  23. Language arts

    Write an essay explaining the importance of appreciating what you have.

    asked on October 14, 2014
  24. Chemistry

    For :H2O(g) --> H(g) + OH(g); At 3000K and P(total)=1.00 atm, from your K value calculate system composition from 1.00 mol H2O(g) and no products initially. The K I got (using Delta G superscript zero = [Delta H superscript zero]-[T* Delta S superscript

    asked on July 31, 2014
  25. Chemistry

    If 3.50 mol of A is mixed with 0.750 mol of B and the final pressure of the mixture is 3.25 atm, what are the partial pressures of A and B

    asked on June 8, 2014
  26. Social Studies Help

    What resources led to the appearance of the Industrial Revolution in New England?

    asked on February 12, 2014
  27. english/III

    Analyze the sentence to select the adverb clause, subordinating conjunction, and the word(s) modified in the appropriate boxes below. Please get to bed early since you have a test tomorrow Adverb clause: Word(s) modified: Subordinating conjunction:

    asked on November 13, 2013
  28. English

    In the following sentence, should "is" be replaced with "are"? Beowulf’s courage and willingness to fight to his death is what makes him a classic hero.

    asked on November 9, 2013
  29. Physics

    A 0.0122-kg bullet is fired straight up at a falling wooden block that has a mass of 2.17 kg. The bullet has a speed of 813 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time

    asked on October 13, 2013
  30. Physics

    The weight of an object is the same on two different planets. The mass of planet A is only sixty percent that of planet B. Find the ratio of the radii of the planets.

    asked on September 20, 2013
  31. Physics

    On earth, two parts of a space probe weigh 17300 N and 3260 N. These parts are separated by a center-to-center distance of 19.4 m and may be treated as uniform spherical objects. Find the magnitude of the gravitational force that each part exerts on the

    asked on September 20, 2013
  32. Physics

    An eagle is flying horizontally at 7.9 m/s with a fish in its claws. It accidentally drops the fish. (a) How much time passes before the fish's speed doubles? (b) How much additional time would be required for the speed to double again?

    asked on September 20, 2013
  33. Physics

    Along a straight road through town, there are three speed-limit signs. They occur in the following order: 51 , 33 , and 26 mi/h, with the 33 -mi/h sign located midway between the other two. Obeying these speed limits, the smallest possible time tA that a

    asked on September 12, 2013
  34. Physics

    A ball is thrown straight upward. At 6.30 m above its launch point, the ball’s speed is one-half its launch speed. What maximum height above its launch point does the ball attain?

    asked on September 12, 2013
  35. Physics

    Before working this problem, review Conceptual Example 15 . A pellet gun is fired straight downward from the edge of a cliff that is 22.3 m above the ground. The pellet strikes the ground with a speed of 34.9 m/s. How far above the cliff edge would the

    asked on September 12, 2013
  36. Physics

    Along a straight road through town, there are three speed-limit signs. They occur in the following order: 51 , 33 , and 26 mi/h, with the 33 -mi/h sign located midway between the other two. Obeying these speed limits, the smallest possible time tA that a

    asked on September 12, 2013
  37. Physics

    The Space Shuttle travels at a speed of about 9.11 x 103 m/s. The blink of an astronaut's eye lasts about 93.4 ms. How many football fields (length = 91.4 m) does the Space Shuttle cover in the blink of an eye?

    asked on September 10, 2013
  38. Physics

    A 1.2 kg object is moving with a speed of 8.0 m/s collides perpendicularly with a wall and emerges with a speed of 6.0m/s in the opposite direction perpendicular to the wall. If the object is in contact with the wall for 2.0m/s. What is the magnitude of

    asked on July 13, 2013
  39. parallelograms

    what is the area of parallelogram lmno

    asked on February 26, 2013
  40. us history

    As a result of the War of 1812, the United States

    asked on February 25, 2013
  41. Physics

    How would I determine the height of a mountain if I am given direction cosines of vectors from two points on the base of the mountain to the peak?

    asked on January 13, 2013
  42. Chemistry

    1. How much heat is added to 40.0 g of ice at –20 o C to convert it to steam at 120 oC? 2. How much heat is added to 25.0 g of ice at –25 o C to convert it to steam at 120 oC? 3. How much heat is added to 10.0 g of ice at –20 o C to convert it to

    asked on January 2, 2013
  43. math

    Twenty-seven greater than five divided by a number is eight.

    asked on December 26, 2012
  44. us history

    whic statement about the female workforce during the war is not true A) women gained cl

    asked on December 15, 2012
  45. physics

    A 170 N block rests on a table.The suspended mass has a weight of 52N. What is the magnitude of the minimum force of static friction required to hold both blocks at rest?

    asked on October 25, 2012
  46. physics

    A 74.0 kg box slides down a 28.0 degree ramps with an acceleration of gravity of 3.10 m/s^2. Find μk between the box and the ramp. The acceleration of gravity is 9.81 m/s^2

    asked on October 25, 2012
  47. Physics

    A school bus take 0.530h to reach the school from your house. If the average velocity of the bus is 19.0km/h to the east, what is the displacement ?

    asked on October 16, 2012
  48. math

    the circumference of a circle is 18*3.14cm. The radius is increased, and the circumferenceof the new circle is 16*3.14cm. by how much was the radius of the oringinal circle increased?

    asked on September 12, 2012


    asked on September 10, 2012
  50. algebra

    Calvin invested $7500 for one year, part 12% annual interest and the rest at 10% annual interest. His total interest for the year was $890. How much money did he invest at 12%?

    asked on September 7, 2012
  51. algebra

    HELP! Please Calvin invested $7500 for one year, part 12% annual interest and the rest at 10% annual interest. His total interest for the year was $890. How much money did he invest at 12%? Show work.

    asked on September 7, 2012
  52. algebra

    PLEASE HELP :( Taisha uses the elliptical cross-trainer at the gym. Her general goal is to burn 280 calories per workout, but she varies by as much as 25 calories from this amount on any given day. Write and solve an equation to find the maximum and

    asked on August 30, 2012
  53. algebra

    Taisha uses the elliptical cross-trainer at the gym. Her general goal is to burn 280 calories per workout, but she varies by as much as 25 calories from this amount on any given day. Write and solve an equation to find the maximum and minimum number of

    asked on August 30, 2012
  54. algebra

    A thermometer is guaranteed to give a temperature no more than 1.2 degrees Fahrenheit from the natural temperature. If the thermometer reads 28 degrees Fahrenheit, write and solve an eqution to find the maximum and minimum temperatures it could be.

    asked on August 30, 2012
  55. reading

    All of the following are goals of study reading EXCEPT: A. greater speed. B. retain information in your long-term memory. C. be an active reader. D. active reading.

    asked on August 3, 2012
  56. math

    A stationery retailer generally prices portable computers using a 30 percent markup. The retailer expects to sell 100 portable computers at the 30 percent markup. How many units would it have to sell at a 10 percent increase in price from the original

    asked on June 30, 2012
  57. geometry

    The size of a bicycle is determined by the diameter of the wheel. You want a 22-in bicycle for your birthday. What is the area of one of the wheels?

    asked on June 21, 2012
  58. Conceptual Physics

    Mix 50 mL of 40 degrees Celsius water with 50 mL of 30 degrees Celsius water and you will get water at...

    asked on May 15, 2012
  59. Trig

    How do i find the exact value of sin 15 using the half angle formula

    asked on April 13, 2012
  60. intense algebra

    Evaluate 27z^2 + 42z - 5?

    asked on February 15, 2012
  61. Variables and expression

    Explain how you could show five less than a number using an expression

    asked on September 15, 2011
  62. algebra

    the sides of a triangle are in the ratio 3:4:5.what is the length of each side if the perimeter of the triangle is 78cm?

    asked on September 5, 2011
  63. us history

    describe New England in 1700's

    asked on August 26, 2011
  64. math

    In a 30 degree-60 degree right triangle, the opposite the 60 degree angle is 15.7 inches. Find the length of the hypotenuse. Round to the nearest tenth if necessary.

    asked on May 15, 2011
  65. pythagoream theroem

    how do you find the height of a triangle that is 20cm. on each side

    asked on May 9, 2011
  66. Math

    Prove that if sin doesn't equal 0, then 1+cot^2=csc^2. HELP!!!!!!!!!!!!

    asked on April 25, 2011
  67. math

    How high is a flagpole that casts a 42-ft at the same time that 5 1/2- ft women casts a 7 ft shadow

    asked on April 16, 2011
  68. trig

    express in terms of ¦Ð, the interval for which 4cosx ¡Ý 2

    asked on April 9, 2011
  69. math

    a shipping box is shaped like a rectangular has a total volume of 96 cubic inches. the height is two inches less than the width. what are the dimensions of the box?

    asked on April 6, 2011
  70. geometry

    what's the area of a parallelogram with a height of 48 ft and a base of 40 ft

    asked on March 31, 2011
  71. algebra 2


    asked on March 30, 2011
  72. algebra 2

    Use substitution to solve the system 3x + 7y = −3 (1) 7x + y = −53 (2) Find the value of x. (part 2 of 2)Find the value of y.

    asked on February 17, 2011
  73. chemistry

    what is the osmotic pressure at 20 C of a solution made by dissolving 0.69 grams of sucrose C12 H22 O11 in 100 mL of water

    asked on February 2, 2011
  74. trig

    verify : [sec(x) / csc(x) - cot(x)] - [sec(x) / csc(x) + cot(x)] = 2csc(x)

    asked on January 2, 2011
  75. Physics

    A Ferris wheel with radius 9.8 m rotates at a constant rate, completing one revolution every 36.6 s. Suppose the Ferris wheel begins to decelerate at the rate of 0.227 rad/s2 when a passenger is at the top of the wheel. Find the magnitude and direction of

    asked on November 18, 2010
  76. science

    what is an example of a question a scientist could test and how would you test it?

    asked on September 27, 2010
  77. eth/125

    What's a current issue between the Native Americans and the federal government?

    asked on July 31, 2010
  78. Math

    solve for x: (Square root of 5x-6)=x

    asked on June 6, 2010
  79. History

    What 3 things made Schindler successful in saving 1100 Jewish people? The only one if could think of is Itzhak Stern his accountant.

    asked on May 8, 2010
  80. HMS 230

    •Write one additional audit question for each of the categories (board, staff, donors and fund raisers, clients/customers, volunteers, and society) listed in the sample audit in Appendix B of your text. •Explain why each question you wrote is important

    asked on April 22, 2010
  81. Science

    There are some sections on Charles Darwin that I need help with for an assignment: -employment -major influence in life -activities/hobbies please help!

    asked on April 10, 2010
  82. English

    I have to write a problem-solution essay and I can't think of a topic. Please help. It can be about any problem.

    asked on April 7, 2010
  83. geography

    what are some tricks that will; help me remember the stats and the capitles

    asked on February 23, 2010
  84. Speech

    I have to write a speech of a business nature about creating more interest in and understanding of the American business enterprise. Im confused on what this means. Could someone help me?????????????

    asked on February 14, 2010
  85. World History

    I know what the white man's burden means, but my teacher wants us to rewrite it in a modern way. I am confused on how to do it could someone do the first stanza for me as an example? Take up the White man's burden -- Send forth the best ye breed -- Go bind

    asked on February 3, 2010
  86. English

    Hey, I was wondering if I could get some help looking for figurative language in this poem, like simile, assonance, alliteration, personification, metaphor, onomatopoeia, ext. Thanks! What do I care that the stream is trampled, the sand on the stream-bank

    asked on January 10, 2010
  87. Math Algebra 1

    suppose you ca work a total of no more than 20 hours per week at your 2 jobs. baby-sitting $5 per hour, and your cashier job pays $6 per hour. you need to earn at least $90 per week to cover your expences. question : write a system of inequalities that

    asked on January 4, 2010
  88. History

    How did human history in north america during the period described in the prologue differ from the events of asia, eurasia, and europw? Plus how were these differences important to the international state of affairs in 1049?

    asked on December 15, 2009
  89. science

    Little help needed with moles... Given 4.14x10 to the 23rd formula units of Na2SO4, ho many moles of Na2So4 would you have. Just a little confused as to solving this, so if you can explain how it is done also, that would really help.

    asked on December 7, 2009
  90. English

    Woman She wanted to be a blade Of grass amid the fields But he wouldn’t agree to be the dandelion She wanted to be a robin singing Through the leaves But he refused to be Her tree She spun herself into a web And looking for a place to rest Turned to him

    asked on November 24, 2009
  91. English

    Shy I, with earth, share mirth Muse over goodwill's dearth Meaning sinning find in few Due to high IQ, I find you in long queue Bird herd shepherd owl eerie make night dreary Lone lamppost Tree big bloom bird host Hello shallow call wall view On frond

    asked on November 12, 2009
  92. Advanced Math

    Find the maximum and minimum values of f(x,y)=3x+y for the polygonal convex set determined by x>or equal to 1, y>or equal to 0, and x+0.5y

    asked on November 3, 2009
  93. English

    I've read "The Pit and the Pendulum" three times and I still don't know the major and minor themes of the story. I was thinking about death and perserverance but what is the minor theme and what is the major?

    asked on October 20, 2009
  94. chemistry

    what is the exponential notion of pH=1?

    asked on September 21, 2009
  95. Social Studies

    What role did Athena play in the Trojan war?

    asked on September 17, 2009
  96. English 2

    Can anyone think of Modern people who are similar to Greek Gods or Heroes? I need 7 examples.

    asked on September 6, 2009
  97. English

    I need a character outlive for Sundara from a book called "Children of the River" by Linda Crew.

    asked on August 9, 2009
  98. English 2

    I need a Summary of Fault Line by Janet Tashjian. PLEASE HELP SOMBODY!!!!!!!!!!!!!!!!!!!!

    asked on August 4, 2009
  99. Literature

    Darkness Before Dawn Discuss the role of Edna. Why is she significant, even though she is a very minor character? What does she teach Keisha and Jalani about people who are homeless and/or needy? What is meant by her statement, "Yo spirit is a shinin'

    asked on May 28, 2009
  100. Literature

    DARKNESS BEFORE DAWN A motif is a word or image that is repeated throughout a novel that helps to highlight or unify a central idea. Trace the references to the use of the word of "silver" in the novel, and explain how silver is important to the

    asked on May 28, 2009


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