Questions Asked on
June 4, 2014

  1. Algebra

    Solve the equation 6(1/x)^2-7(1/x)+2=0

    asked by Anonymous
  2. Math please help

    Solve the equation x^2/5 + x^1/5 -6=0

    asked by Anonymous
  3. trig angle of elevation

    The eyes of a basket ball player are 6 feet above the floor. He is at the free-throw line, which is 15 feet from the center of the basket rim. The center of the rim is 10 feet above the floor Before shooting the player decides to step back a few steps. His

    asked by Anonymous
  4. Probability

    In large lot of electric light bulbs 5% of the bulbs are defective.calculate the probability that a random sample of 20 will contain at most 2 detective bulbs

    asked by Agada
  5. Chemistry

    Why is it that the reaction between benzoyl chloride and methanol do attack carbon from the ring

    asked by Chirve
  6. 10

    Legs ( sides other than the hypotenuse) of a right triangle are of lengths 12 and 6 cm. Find the side of the largest square that can be inscribed in the triangle.?

    asked by ritu
  7. maths

    Jason rolls a can of baked beans from one end of his carpet to the other. If his carpet is 3 m long and if the can has a diameter of 75 mm, how many complete revolutions will the can make?

    asked by mary
  8. chemistry

    A sample contains Hydrogen atom ,He+ ion, Li2+, & Be3+ ion. In H atom electron is present in 8th orbit, in He2+ e- is present in 6th orbit, Li2+ in 5th orbit& in Be3+ electron is present in 4th orbit. All the atoms are de-excited to the ground state.

    asked by Swapnil
  9. math

    Find the shape whose total is 59(blue)..n the oder one having a total of 52(green)

    asked by ambika
  10. math algebra?

    What does -4p < 36 equal?

    asked by Lycia
  11. Geometry

    The diameter of circle C is 16 cm. is 70°. Use this information, the diagram, and your experiences in geometry this semester to answer these questions. (Use .)

    asked by Lalo
  12. math

    The estimated completion time for a inspection consisting of 100 check points is 3 1/3 hours if u take away 3hours whats the estimated rate of completion per check point

    asked by shawrita
  13. chemistry

    If you mix 50 grams of NaHCO3 in 2.0 liters of water, calculate molarity & molality

    asked by Noah
  14. maths

     A boat goes 12 km upstream and 40 km downstream in 8 hours. It can go 16 km upstream and 32 km downstream is the same time. Find the speed of the boat in still water and the speed of the stream.

    asked by raghav
  15. MATH

    Solve the fractional equation 3x/2+1/4(x-2)=10

    asked by Anonymous
  16. assessment

    What statistical technique is often used to calculate an estimate of reliability?

    asked by Anonymous
  17. math

    Find the total number of compounding periods and interest rate per period.  Princial: $700, time period :8yrs , nomial rate: 1.5%, interest compounding :monthly, copounding amount________, compound interest_______  * i need to figure outhe compounding

    asked by Anonymous
  18. economics

    what are welfare payments or consumer subsidies

    asked by thato
  19. math

    A ladder leans against a building. The angle of elevation of the ladder is 70°. The top of the ladder is 25 ft from the ground. To the nearest tenth of a foot, how long is the ladder?

    asked by TheOneNotHere
  20. geometry

    A kite is flying at an angle of elevation of 40 degrees. All 80 m of string have been let out. Ignoring the sag in the string, the height of the kite to the nearest 10 m is __?__ meters.

    asked by reyna
  21. math(urgent)

    A radio set costing $500 was marked up 20% based on retail price. later it was marked down by 10%. WHAT is the final retail price?

    asked by fizz
  22. c++

    Write a C++ program that reads the population of town A and its growth rate as well as the population of town B and its growth rate. It outputs after how many years the population of town A will be greater than that of town B and the values of their

    asked by ahmad
  23. Algebra

    Which of the following shows the expression written with a single radical? a) 3*2^(1/2); b) 3*2^(1/4); c) 6*2^(1/2); d) 6*2^(1/4)? The book says that the answer is d), but I do not understand why. They all look like single radicals to me!

    asked by Wayne
  24. Math

    If tanè = 4 / 3, then sinè = F. 3 / 4 G. 3 / 5 H. 4 / 5 J. 5 / 3 K. 5 / 4

    asked by Anonymous
  25. Reading

    I was not _______(e)d with athletic ability; mortified or detract

    asked by jack
  26. Physics ||

    Q.1. Two wires each of length 40 m and diameter 2.6 mm, are connected in series. A potential difference of 50 V is applied between the ends of the composite wire. The resistances the wires are 0.13 Ω and 0.75 Ω, respectively. Determine: i) the current

    asked by Meemee.meme
  27. math(log)

    find x if a) 1/81=3^2x-1 b)log2x+ 3/log2x = 4

    asked by fizz
  28. Economics

    What are the walfare payments or consumer subsidies?

    asked by Ntombenhle
  29. Trig

    Find the coterminal angles: one positive one negative angle. 55° and (9(3.14)/5) answer degrees in radians and radians in degrees

    asked by Anonymous
  30. life orientation

    identify three study fields/ career paths in order of preference and provide two reasons for each choice

    asked by candice
  31. Algebra - Help!!

    The width, w, of rectangular playground is x+3. The area of the garden is x^3-7x+6. What is an expression for the length of the play ground? a. x^2-3x+2 b. x^2+3x-2 c.x^2+3x+2 d.x^2-3x-2 I think it's B.

    asked by Sandy East Ward
  32. Law

    1. Which of the following was NOT a characteristic of early 19th-century American prisons? A. A push toward rehabilitation B. “Out of sight, out of mind” C. Total control of prisoners D. An emphasis on discipline im confused between A and D 2. Which of

    asked by Amy
  33. Spanish

    I'm doing my work but i don't get these three questions at all. Could you explain them as well? ★Which part of this sentence is not correct? Esta muchacha tan bonito es alta. A. Esta B. bonito ✔C. muchacha ★Choose the correct verb for tastes in the

    asked by Jamie
  34. Law

    1. Punishment would probably work best for which of the following individuals? A. An actively using drug addict who was arrested for petty larceny B. A teacher who had a relationship with a 16-year-old student C. A sociopath who has been treated for mental

    asked by Amy
  35. geometry

    The lateral area of the right regular triangular prism is 18 cm^2.Find the total surface area.give your answer in decimal form rounded of to 2 decimal places

    asked by dj
  36. Algebra/not sure what to do Thank You

    Find three ordered pairs that satisfy the equation. y = 2x − 1 (x, y) = (0) (x, y) = ( 1) (x, y) = ( 2)

    asked by Mary Ann
  37. Law

    1. Legislators supported industrial prisons after they realized the prisons were: A. reforming convicts. B. making a profit. C. not supported by unions. D. failing miserably. is it B 2. Which of the following has the most discretionary power to dismiss or

    asked by Amy
  38. Law

    1. Not committing a murder because you know that your state doles out the death penalty for such a criminal act is an example of: A. specific deterrence. B. general deterrence. C. stigma of conviction. D. guilt. is it B

    asked by Amy
  39. Geometry

    Find the area of a parallelogram with sides of length 6 and 8, and with an interior angle with measure 45 degrees.

    asked by Sheenybeany
  40. Algebra - Steve!! Help!

    The temperature, T. of a given mass of gas varies inversely with its volume,V. The temperature of 500 cm3 of a certain gas is 2.5 Celsius. What will the temperature be when it is compressed to a volume of 100cm3 160 c 12.5 c 2500 c 1250 c I think it's

    asked by Sandy East Ward
  41. science

    suppose we have 10 liters of water in a 20 liter bucket and we submerge a one liter soda bottle with water. The buoyant force on a submerged one liter bottle is equal to?

    asked by mahmoud
  42. physics

    "a drag racing car starts from rest at t= 0 and moves along astraight line with velocity given by V = bt^2 where b isconstant. The expression for the distance traveled by this car from its position at t = 0 is a)bt^3 b)bt^3/3

    asked by fatima
  43. math word problem

    instead of buying packages of 20 batteries for $7.00 to power his video game controllers, Nathaniel decides to buy 4 rechargeable batteries and a charger for $15.39. How many times does he need to use the rechargeable batteries to make them a better value?

    asked by thelma
  44. Math

    A bag contains 7 black socks, 12 white socks, and 17 red socks. If you pick one sock at random from the bag, what is the probability that it will NOT be white? A. 1/2 B. 2 / 3 C. 3 / 4 D. 7 / 12 E. 7 / 36

    asked by Anonymous
  45. Math

    Trudi Can Either Walk TO School, Or She Can Take The Bus. The Probability Of Her Taking The Bus On Any Given Day Is 0.77. Assuming That Her Choice Of Transport On Any Given Day Is Independent Of Her Choice Of Transport On Another Day, Find Out The

    asked by Zhanise
  46. LA one question!!!!!

    The word scan originally referred to the act of identifying meter in poetry. What meaning of the word is used in this excerpt from "What Makes Teen Tick?" "The brain of each brother is scanned three times." looked over quickly examined through a

    asked by TTR+S&lt;3
  47. physics

    What is the kinetic energy of a 19 kg dog that is running at a speed of 7.7 m/s (about 17 mi/h)?

    asked by Anonymous
  48. Math

    Consider the following data set: 27,49,15,43,35,57,13,73,23,31,32,41,61, 39,7. Suppose that you graph this data, with bins of size 10, with the first bin starting 1 below the smallest value in your data. What is the range approximation for the standard

    asked by Cori
  49. science

    a cube has sides that are 3.0cm long. The mass of the cube is 54g. Calculate the density of the cube.

    asked by tseleng
  50. Math

    Can someone please explain how to solve this problem? A bag contains 6 blue marbles, 10 red marbles, and 9 green marbles. If two marbles are drawn at random without replacement, what is the probability that two green marbles are drawn?

    asked by Jacob harry
  51. accountancy

    Zeke Company is a manufacturing company that has worked on several production jobs during the 1st quarter of the year. Below is a list of all the jobs for the quarter: Job 356, 357, 358 & 359 were completed. Jobs 356 & 357 were sold at a profit of $500 on

    asked by bimi
  52. Math

    If pq = 3, then p^3q^4 + p^4q^5 = A. 12q B. 7p + 9q C. 12p + 20q D. 96p E. 108q

    asked by Anonymous
  53. statistics

    The diameter of an electric cable is normally distributed, with a mean of 0.6 inch and a standard deviation of 0.02 inch. What is the probability that the diameter will exceed 0.62 inch? (You may need to use the standard normal distribution table.

    asked by leelee kay
  54. physics

    4 kg block rests on a smooth horizontal surface,upper surface of 4 kg is rough.A block of mass 2 kg is placed on its upper surface.The acceleration of upper block with respect to earth when 4 kg mass is pulled by a horizontal force of 30N?coefficient of

    asked by zoha
  55. Math

    Mr. Caldwell has 28 students in his class and 12 of them are boys. What is the ratio of girls to boys? A. 4 : 7 B. 3 : 4 C. 4 : 3 D. 7 : 4

    asked by KD
  56. chemistry

    A sample of helium has a volume of 235 ml and a pressure of 565 mm Hg. What will be the pressure if the helium is compressed to 215 mL (T constant)

    asked by ree
  57. math

    A local bank offers an investment option with a simple interest rate of 3.60% per annum. If you invest $3200.00, how much interest will you earn in 7 years?

    asked by Synthia
  58. math

    If you invest $23010.00 at an interest rate of 2.90% per annum compouded semo annually,what will the total value of your investment be after 9 years?

    asked by Synthia
  59. Math

    On a circle graph, how many degrees of the circle are measured for a category worth 34%

    asked by Synthia
  60. math

    A right cone has a height of 8cm and of volume of 250cm^3. Determine the radius of the base of the cone to the nearest centimeter.

    asked by lee
  61. civics

    Which of the following describes a way geographic features influenced how north american countries were settled ? A. populations were greatest in inland areas where climates were more moderate. B.people settled along the borders between countries to make

    asked by lindsey
  62. Bio

    A desert would be the location of which abiotic factor? a top predator a snake wind

    asked by Yazzy
  63. english

    Which term best describes the underlined words? Originating in Bohemia, the polka was first developed around 1830. A. infinitive phrase B. participial phrase C. gerund phrase

    asked by Anonymous
  64. business math

    Check My Work (3 remaining) Mary Jo Prenaris is an office manager with gross earnings of $1,600 semimonthly. If her company switches pay schedules from semimonthly to biweekly, what are Mary Jo's new gross earnings? $ biweekly salary

    asked by kelly
  65. Math

    A frame around a photo is 5 cm wide. The photograph is 20 cm long and 10 cm wide. What percentage of the entire area is the frame.

    asked by Sally
  66. civics

    Which of the following describes how features of countries in north america influence change in these countries ? A.Most have flat terrain, making railroads the least expensive method of transporting goods. B.with oceans on both sides, most countries have

    asked by cheyenne
  67. math

    A guy wire is attached to a tower at a point that is 5.5m above the ground. The angle between the wire and the level ground is 56 degrees. How far from the base of the tower is the wire anchored to the ground, to the nearest tenth of a metre?

    asked by liya
  68. math

    A ladder is 13.0m long. It leans against the wall. The base of the ladder is 3.7m from the wall. What is the angle of inclination of the ladder to the nearest tenth of a degree?

    asked by liya
  69. civics

    Which of the following correctly describes an example of how climate affected the settlement in North America ? A. most of the United states settled in the Midwest, where temperatures are less extreme. B.Most of Canada's population lives along the southern

    asked by sam
  70. Delcambre High

    a trail mix recipe calls for 1/3 pound of mixed nuts, 4/15 pound of raisins and 2/5 pounds of granola. What is the ratio of raisins to mixed nuts in simplest form?

    asked by Tracy
  71. physics

    A 55 kg skateboarder accelerates down a ramp and hits the pavement moving at 5.6 m/s. If the pavement has a coefficient of friction of 0.11, how far will skateboarder glide before coming to a stop?

    asked by grey
  72. Bio

    If two different people use the same dichotomous key to identify the same organism, should they have different results? Explain why or why not.

    asked by Yazzy
  73. History

    Which of the following statements best describes who makes decisions in government oligarchy? A.many elected officials. B. a single political party. C.many political parties. D. a single leader. I say c. but then again I keep second guessing myself.

    asked by Emily
  74. science

    As part of their job, meteorologists use data to make weather predictions. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend your prediction using data? can you please tell

    asked by Anonymous
  75. civics

    How is the direct democracy similar to a representative democracy ? A. both types of government are run by a communist party. B.Both types of democracy give power to the elected representative. c.Both types of democracy give power to the elected

    asked by sarah
  76. The reading and writing process

    According to your textbook which statement about learning styles is most accurate

    asked by Dixie
  77. Physics

    The length of a box is reduced to two third of its original value and the width and height are tripled. Calculate the factor by which the volume has changed. Am I on the right track? If not please help I am stuck. Thanks. V=LWH V=(L-2/3)(3W)(3H)

    asked by Jane
  78. Physics

    A small charge that has lost 5.0 X 10^3 electrons and has a mass of 2.0 x 10^-6 kg experiences an acceleration of 15ms^2 when placed at a point P in space. Determine the magnitude and direction of the electric field at P

    asked by James
  79. Physics

    A soccer ball is kicked with a speed of 9.95m/s at an angle of 35.0∘ above the horizontal.If the ball lands at the same level from which it was kicked, how long was it in the air?

    asked by Ashley
  80. math

    Liam is the founder and president of the Justin Bieber Fan Club. As a fundraiser, the JBFC sells chocolate-flavored spaghetti sauce. The current price is $6.40 per jar and their average monthly sales are 250 jars. They are considering raising prices and

    asked by Rachelle
  81. Physics

    Help me with this please A 6.0 m section of wire carries a current of 5.2 A from east to west in the earth's magnetic field of 1.0 × 10^-5 T at a location where the magnetic field points south. In which direction does the magnetic force act on the wire?

    asked by Me and I
  82. Science ecosystems

    Paper Glass Aluminum Wooden ruler Sand Steak Pork chops Salad Bread Hair Cotton fabric Wool Cheddar cheese Can you tell why ? It is urgent !

    asked by Sally
  83. MATH PLZ HELP

    I baked two dozen cookies (24)for my friends. After they came out of the oven at 2:00, I wait for them to cool. When playing video games, one friend says he needs to use the bathroom. he instead goes to the kitchen and steals one cookie. To have an excuse

    asked by Anonymous
  84. Science ecosystems

    Paper Glass Aluminum Wooden ruler Sand Steak Pork chops Salad Bread Hair Cotton fabric Wool Cheddar cheese Can you tell why ? It is urgent ! Are they. Biotic or abiotic

    asked by Sally
  85. science

    All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures

    asked by NEED HELP
  86. Physics

    A ball is thrown straight upward and returns to the thrower's hand after 2.30 s in the air. A second ball is thrown at an angle of 42.0° with the horizontal. At what speed must the second ball be thrown so that it reaches the same height as the one thrown

    asked by Harley
  87. physics

    A 2.0 kg mass is fastened to a spring with force constant of 45 N/m. The mass is held motionless by a student at a position 15 cm below the spring's natural unstretched position. When the ball is released, what is the Fnet acting on it? What is the

    asked by grey
  88. Math

    You have 2 hundred feet of fencing to use for building a rectangular dog pen. find the dimensions of the pan having the greatest possible area

    asked by Courtney
  89. science

    Function/ Human Structure/ Plant Structure 1. Gas exchange 1. lungs 1.Stoma 2. Circulation 2. Blood vessels 2.Xylem 3. Water intake 3. mouth 3.Roots 4. Energy intake 4. mouth 4.Chloroplasts 5. Internal support 5. skeleton 5.Stem 6. Energy Storage 1. Fat

    asked by here is my chart Dr. Bob
  90. science

    All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures

    asked by Anonymous
  91. physics

    A 2.2 kg bowling ball is dropped vertically from a height of 1.5 m onto a long compression spring (k = 150 N/m) placed vertically underneath it. What is the maximum compression of the spring?

    asked by grey
  92. Math

    Hi, I need someone to check my work and I have a question. Polygon: pentagon Number of sides: 5 Smallest number of interior triangles: 3 Now, here's my question: Sum of degrees of the interior angles: ___*180=_____ degrees

    asked by Sandy
  93. physics

    A horizontal spring with spring constant of 120 N/m is compressed a distance of 0.25 m and placed in front of a ramp angled at 30° above the horizontal. A 1.5 kg ball is placed in front of it and released. How far will the ball roll up the 30° ramp?

    asked by grey
  94. Math - Business Calc.

    Chocolate Box Company is going to make open-topped boxes out of 5 × 17-inch rectangles of cardboard by cutting squares out of the corners and folding up the sides. What is the largest volume box it can make this way? (Round your answer to the nearest

    asked by Jerry
  95. Math

    Solve the optimization problem. Minimize F = x^2 + y^2 with x + 2y = 15. Thank You for the help!!

    asked by Jerry
  96. chemistry

    15G OF NACL OCCUPY A VOLUME OF 75 Ml what is the molarity solution ?

    asked by Rosy Alexis
  97. Science

    10. Metal cations are atoms that have a positive charge. What type of bond is a metal cation likely to form? (1 point) covalent bond double bond single bond ionic bond my answer is d

    asked by Austin
  98. Math

    The sum of the degrees of the interior angles of a triangle is _____ degrees What is the sum of the interior angles of a parallelogram ? What is the sum of the interior angles of a rhombus? What is the sum of the interior angles of a kite? What is the sum

    asked by Mackenzie
  99. Precalculus

    1. permutation or combination: how many schedules are possible if you need to choose 5 events out of 20 for a vacation? Is it permutation?? Answer is 1860480? 2. a. How many area codes are possible ( the 3 digit number can't start with a 0)? 504? b. How

    asked by Anonymous
  100. Physics

    A 250g wood block firmly attached to a horizontal spring slides along a table with a coefficient of friction of 0.40. A force of 30.N compresses the spring 20cm. If the spring is released from this position what will be the block's speed when it passes

    asked by Joey
  101. Math

    A polygon is a __ dimensional figure with ___ or more sides. A regular polygon has equal ____ lengths and equal ____ measures

    asked by Anonymous
  102. Math

    Assume that it costs Apple approximately C(x) = 36,100 + 100x + 0.01x^2 dollars to manufacture x 30-gigabyte video iPods in a day. How many iPods should be manufactured in order to minimize average cost? What is the resulting average cost of an iPod? (Give

    asked by Jerry
  103. math

    The act requiring mortgage lenders to give borrowers HUD booklets and good faith estimates of the closing costs is called the

    asked by tota
  104. Physics

    A football player punts the ball at a 45.0o angle. Without an effect from the wind, the ball would travel 60.0 m horizontally. (a) What is the initial speed of the ball? (b) When the ball is near its maximum height it experiences a brief gust of wind that

    asked by Anonymous
  105. physics

    A collision in Phystown is being analyzed by the O.P.P. accident analysis team. A 1000 kg Toyota known to be moving at 65 km/h [W] collided at an intersection with a 3000 kg SUV moving [N]. After the collision, the two vehicles "stuck" together and the

    asked by grey
  106. Chemistry

    I'm really confused on this question so if someone could show the steps and how to get the answer, that would be great. I understand that you would use delta T=Kbm, but don't know how to use the equation to find the answer. Thanks!! Calculate the boiling

    asked by Serena
  107. History Paper

    What impact have the following conflicts had upon the US? (WWII, Korea, Vietnam, the Wars in Gulf, Iraq, and Afghanistan.) I have an outline of what I'm going to write but I just don't where to start, how to put it in words.

    asked by Emma
  108. math

    Student credit cards typically require that one be enrolled in a 2- or 4-year college/university and

    asked by tota
  109. math

    Appropriate reasons to use credit include for __________.

    asked by tota
  110. physics

    A 1.0 kg puck sliding at 15 m/s along some horizontal frictionless ice strikes and compresses a horizontal spring attached to one end of the ice rink. If the spring has a constant of 35 N/m, what is the maximum compression of the spring?

    asked by grey
  111. physics

    During the Olympic ice competition, Boris (m = 75 kg) glides at 1.8 m/s to a stationary Juliette (52 kg) and hangs on. How far will the pair slide after the collision if the coefficient of kinetic friction between the ice and their skates is .042?

    asked by grey
  112. physics

    A charge of -2.68 ✕ 10-9 C is at the origin of a coordinate system, and a charge of 7.77 ✕ 10-9 C is on the x-axis at 2.00 m. At what two locations on the x-axis is the electric potential zero? (Hint: One location is between the charges, and the other

    asked by kaila
  113. math word problems

    A room is a square with integer dimensions. it is made 3 feet wider and 2 feet deeper. the increase in area is 46 square feed. What were the dimensions of the old room?

    asked by Liz
  114. physics

    a pole 10m long rests slantly against a vertical wall ab making 60 degrees with the horizontal (ground). find how faris the foot of the pole from the wall

    asked by aakaash
  115. computer programming

    1. Scanf 5 names of you and your friends 2. Printf hi to all of them. 3. Ask all of them for their ages. 4. Printf the information in tables as shown below. Name age StudName1 19 StudName2 20 StudName3 18 StudName4 34 StudName5 12 5. Use selection

    asked by AIRA
  116. math

    . If the maximum loan-to-value ratio that a lender will accept on a $100,000 loan is 90 percent, then the borrower must make ________

    asked by tota
  117. Math

    Last Problem of the Week this year! Having a bit of trouble with it: In how many ways can seven basketball players of different heights line up in a single row so that no player is standing between two people taller than she is? Does it have anything to do

    asked by Rosa
  118. Chemistry

    The heat capacity of aluminum is 24.4 J/mol times degrees C. How much energy is released when 5.00 g Al is cooled from 50 degrees C to 30 degrees C. a) 2440 J b) 90 J c) 3.7 J d) 488 J I said A, but the answer sheet says that the answer is B. Can someone

    asked by Serena
  119. physics

    The exhaust temperature of a heat engine is 250∘C .What must be the high temperature if the Carnot efficiency is to be 35% ?

    asked by Anonymous
  120. physics

    alculate the final speed of a 1500 kg roller coaster if it has an initial speed of 16 m/s but reduces its elevation by 8.6 m by coasting down a frictionless incline.

    asked by grey
  121. physics

    A certain power plant puts out 520MW of electric power.Estimate the heat discharged per second, assuming that the plant has an efficiency of 34%

    asked by Anonymous
  122. physics

    A 0.50 kg cue ball makes a glancing blow to a stationary 0.50 kg billiard ball. After the collision the cue ball deflects with a speed of 1.2 m/s at an angle of 30.0° from its original path. Calculate the original speed of the cue ball if the billiard

    asked by grey
  123. physics

    A bullet of mass 45 g is fired at a speed of 220 m/s into a 5.0 kg sandbag hanging from a string from the ceiling. The sandbag absorbs the bullet and begins to swing. To what maximum vertical height will it rise?

    asked by grey
  124. physics

    An automobile cooling system holds 16 L of water. The specific heat of water is 4186 J/kg⋅C∘.How much heat does it absorb if its temperature rises from 16∘C to 94∘C?

    asked by Anonymous
  125. physics

    The value of specific heat for copper is 390 J/kg⋅C∘, for aluminun is 900 J/kg⋅C∘, and for water is 4186 J/kg⋅C∘.What will be the equilibrium temperature when a 275g block of copper at 255∘C is placed in a 145g aluminum calorimeter cup

    asked by Anonymous
  126. physics

    When a 310-g piece of iron at 180∘C is placed in a 95-g aluminum calorimeter cup containing 250 g of liquid at 10∘C, the final temperature is observed to be 32∘C. The value of specific heat for iron is 450 J/kg⋅C∘, and for aluminum is 900

    asked by Anonymous
  127. physics

    A 49-g bullet traveling at 290m/s penetrates a block of ice at 0∘C and comes to rest within the ice.Assuming that the temperature of the bullet doesn't change appreciably, how much ice is melted as a result of the collision? The heat of fusion of water

    asked by Anonymous
  128. algebra

    Question: 89 of 111 Leave Questionnaire You need to hire a part-time associate to work 30 hours a week in your store. You have $250 in labor budget for the new associate each week. You just interviewed an excellent candidate for the position who has

    asked by craig
  129. physical science

    The density of water is the greatest at a temperature of A. 0 Kelvin B. 277 Kelvin C. 273 Kelvin D. 4 Kelvin

    asked by Unmei
  130. math

    Except 15 all others are oranges, except 20 all others are mangoes, except 25 all others are bananas , what is the total number of fruits

    asked by devi
  131. physics

    A 0.50 kg cue ball makes a glancing blow to a stationary 0.50 kg billiard ball. After the collision the cue ball deflects with a speed of 1.2 m/s at an angle of 30.0° from its original path. Calculate the original speed of the cue ball if the billiard

    asked by grey
  132. statistics

    suppose you roll two number cubes and pick a letter of the alphabet at random. find the probability you will roll two odd numbers and pick one of the letters k, l, or m.

    asked by logan
  133. Physics

    The displacement, force, velocity, and acceleration vectors’ components are given. Calculate the magnitude and direction of each vector. (a) x = +15.0 cm, y = -12.3 cm. I am completely lost.

    asked by Grant
  134. chem

    the density of mercury is 13.5g/cc what volume of mermury would have a mass of 100g?

    asked by wanda
  135. algebra

    Adam has a cylindrical container. He is going to pour water into the container from a cube that has a side length of 1.5 inches. The container has a diameter of 8 inches and is 2 feet tall. How many full cubes of water can Adam fit into the container?

    asked by Dea
  136. math

    Suppose that inflation is 3% per year. This means that the cost of an item increases by 3% each year. Suppose a jacket cost $150 in 2011. How long will it take for the jacket to cost $300 dollars?

    asked by tom
  137. English

    1. With night coming on, we started for home. 2. Because night came on, we started for home. 3. Night came on, and we started for home. (Does #1 mean #2 or #3?) 4. With his legs crossed, he read a book. 5. His legs were crossed, and he read a book. (Does

    asked by rfvv
  138. Science

    What are the personal, societal, and scientific implications of alpha-1 antitrypsin deficiency? I googled, but couldn't find any info on this????? please help!!!!!!!!!!1

    asked by Anonymous
  139. science

    UNSCRAMBLE RDOCRROUTINEDEVELOPMENT to make 2 words having to do with the reproductive system

    asked by molly
  140. Chemistry

    Question: Calculate the solubility (g/L) of CuBr at 25 degrees celsius in 0.0110 M CoBr2. Ksp of CuBr = 5.3*10^-9. I am capable of doing it in pure water, but I am struggling with how the two bromines in CoBr2 will affect the answer and ICE TABLE set up.

    asked by John Eris