anonymus

Most popular questions and responses by anonymus
  1. Art

    based on their attire, playing music during leisure time is most likely a pursuit of which greek class citizen? lower class musical class upper class middle class i believe it is upper class

    asked on April 4, 2017
  2. physics

    A student places her 500 g physics book on a frictionless table. She pushes the book against a spring, compressing the spring by 4.0 cm, then releases the book. What is the book’s speed as it slides away? The spring constant is 1250 N/m. 1

    asked on August 30, 2018
  3. physics

    4. A 1500 kg car starts from rest and drives around a flat 50 m diameter circular track. The forward force provided by the car’s wheels is a constant 1000 N. a. What are the magnitudes and direction of the car’s acceleration at t = 10 s? b. If the car

    asked on August 14, 2018
  4. math

    Explain how you can be sure that all rates you have written on a double number line are correct.

    asked on November 4, 2014
  5. physics

    A 44-kg girl stands on a 7-kg wagon holding two 15.0-kg weights. She throws the weights horizontally off the back of the wagon at a speed of 9.5 m/s relative to herself. Assuming that the wagon was at rest initially, what is the speed of the girl after she

    asked on August 30, 2018
  6. physics

    A rocket engine uses fuel and oxidizer in a reaction that produces gas particles having a velocity of 1380 ms-1. The desired thrust is to be 195000 N. 1-What must be the fuel/oxidizer consumption rate (in kg s-1)? 2-f the initial weight of the rocket is

    asked on January 9, 2018
  7. physics

    A particle moves in the xy-plane, starting from the origin at t = 0 with an initial velocity v0 = (20ˆi – 15ˆj) m/s and a constant acceleration of a = 4.0ˆi m/s2. Determine the particle’s speed and direction at t = 5.0 s.

    asked on September 3, 2018
  8. physics

    Two masses of 2.25 kg each, connected by a string, slide down a ramp making an angle of 34o with the horizontal. The coefficient of kinetic friction between M1 and the ramp is 0.33. The coefficient of kinetic friction between M2 and the ramp is 0.12. Find

    asked on August 18, 2018
  9. math

    MODELING REAL LIFE A diver is diving from a platform 10 meters above the water. The diver reaches a depth of 4 meters. What is the change in elevation of the diver?

    asked on August 24, 2019
  10. Calculus

    A 5,000 m² rectangular area of a field is to be enclosed by a fence, with a moveable inner fence built across the narrow part of the field, as shown.The perimeter fence costs $10/m and the inner fence costs $4/m. Determine the dimensions of the field to

    asked on June 12, 2019
  11. Social Studies

    Which statement BEST describes the cause of the Zulu War of 1879? A) The Zulu were threatened by Egyptian forces. B) The Boers fought against Zulu invasion at Blood River. C) The Zulu attempted to resist submitting to British rule. D) The British attempted

    asked on November 14, 2018
  12. physics

    At the entrance channel of a harbor, the tidal current has a velocity of 4.22 km/hr in a direction 17.4o south of east. Suppose a ship caught in this current has a speed of 17.5 km/hr relative to the water. If the helmsman keeps the bow of the ship aimed

    asked on August 13, 2018
  13. Vectors

    A vector of length 5 perpendicular to both u = (3, -1, 5) and v =(2, 1, 0) has what coordinates?

    asked on June 18, 2019
  14. calculus

    A Calculus student bought 20 m of flexible garden edging (shown in green). He plans to put two gardens in the back corners of his parents' property: one square and one in the shape of a quarter circle. He will use the edging on the interior edges (shown in

    asked on June 12, 2019
  15. calculus

    A particle moves along a linear path (left/right) and its position, relative to its starting location is given by the function s(t)=13t^3−2t^2+3t , t≥0. a) Determine the particle's velocity and acceleration at any time t. b) When does the particle

    asked on June 12, 2019
  16. physics

    The Figure shows two blocks, block 1 and block 2, held in equilibrium by a massless, unstretchable string. The mass of block 1 is 14.2 kg, the mass of block 2 is 6.2 kg, and the angle theta is 26o The system begins to slip if any additional mass is added

    asked on September 10, 2018
  17. physics

    1. Henry gets into an elevator on the 50th floor of a building and it begins moving at t = 2s. The figure shows the his apparent weight over the next 10 s. a. Is the elevator’s initial direction up or down? Explain clearly how you arrived at this

    asked on August 14, 2018
  18. physics

    ) A man holds a pail of water by the handle and whirls it around a vertical circle of radius 0.86 m at constant speed. What is the minimum speed that the pail must have at the top of its circular motion if the water is not to spill out of the upside-down

    asked on August 23, 2018
  19. math

    There are 5 red marbles, 6 blue marbles, e green marbles, and 2 yellow marbles in a bag. What percent or fraction represents the number of blue and green marbles in the bag?

    asked on April 7, 2014
  20. physics

    (15 Marks) An amusement park ride consists of a large vertical cylinder that spins about its axis fast enough that any person inside is held up against the wall when the floor drops away. The coefficient of static friction between the person and the wall

    asked on September 1, 2018
  21. chemistry

    The radioactive decay of carbon-14 is first-order and the half-life is 5800 years. While a plant or animal is living, it has a constant proportion of carbon-14 (relative to carbon-12) in its composition. When the organism dies, the proportion of carbon-14

    asked on August 15, 2018
  22. math

    You have a large container of olive oil. You have used 22 1/2 quarts of oil. Twenty-five percent of the olive oil remains. How many quarts of olive oil remain?

    asked on March 30, 2014
  23. Language Arts

    Identify a sentence that contains an action verb 1)She walked to the store with her best friend. 2) I am sometimes grumpy when I'm hungry. 3) They are heavier than they were before. 4) He is a major league baseball player.

    asked on November 30, 2018
  24. physics

    A non-uniform bar of weight W = 20.0 N is suspended at rest in a horizontal position by two massless cords. The angle phi between cord 2 and the vertical is equal to 32.5o. The bar has a length L = 6.5 m and the distance of its center of gravity from the

    asked on September 12, 2018
  25. Maths

    Triangle ABCis right angled at a .AD is perpendicular to BC.If AB=5cm,BC=13cm and AC=12cm,Find the area of triangle abc .Aiso findthe length of AD.

    asked on November 30, 2011
  26. physics

    Three blocks are located on a horizontal frictionless table. They are connected by a massless cord, as shown in the figure, and pulled to the right. The masses of the three blocks are m1 = 45 kg, m2 = 39 kg, and m3 = 50 kg. The pulling force is equal to T3

    asked on August 13, 2018
  27. math

    The sales team at an electronics store sold 48 computers last month. The manager at the store wants to encourage the sales team to sell more computers and is going to give all the sales team members a bonus if the number of computers sold increases by 30%

    asked on April 7, 2014
  28. physics

    A radioactive nucleus of uranium-235 (mU = 235 u) decays spontaneously to thorium-231 by emitting an alpha particle (nucleus of a helium atom, symbolised α). The α particle (mα = 4.00 u) has kinetic energy 4.60 MeV. What is the kinetic energy of the

    asked on August 30, 2018
  29. physics

    A mass m = 6.0 kg is attached to the lower end of a massless string of length L = 73.0 cm. The upper end of the string is held fixed. Suppose that the mass moves in a circle at constant speed, and that the string makes an angle theta = 27o with the

    asked on August 23, 2018
  30. History

    1830s-1840s A. Evaluate the presidency of Andrew Jackson. Do you think that his actions were considered normal during his time? B. Analyze racism towards Native Americans during this period. C. Identify and describe at least two (2) positive events during

    asked on June 10, 2016
  31. English

    1. Salt Lake City, Utah's capital and largest city, was founded in 1847. 2. Janice and Carla spent the day at the mall. 3. Standard time was adopted in the United States in 1884. 4. The geographic center of the United States is in Kansas. 5. The first

    asked on June 12, 2016
  32. Social Studies

    Which physical feature would have the GREATEST impact on Sub-Saharan Africa? A) Sahara Desert B) Kalahari Desert C) Atlas Mountains D) Mount Kilimanjaro

    asked on November 14, 2018
  33. English

    Part A Infinitives An infinitive is the base form of the verb, commonly preceded by to . An infinitive may be used as a noun, adverb, or adjective. Examples: -To know him is to like him. (noun) -She came here to study. (adverb) -That is the movie to see.

    asked on June 12, 2016
  34. physics

    The system in the Figure is in equilibrium. A mass M1 = 221.0 kg hangs from the end of a uniform strut which is held at an angle theta = 42.0o with respect to the horizontal. The cable supporting the strut is at angle alpha = 31.0o with respect to the

    asked on September 9, 2018
  35. Social Studies

    Geographically, people in western Russia have tended to identify with Europe more than Asia because A) the soil is so similar. B) their languages are quite similar. C) the Mediterranean Sea connects them. D) the Ural Mountains seal them off from the rest

    asked on May 17, 2016
  36. physics

    The system in the Figure is in equilibrium. A mass M1 = 221.0 kg hangs from the end of a uniform strut which is held at an angle theta = 42.0o with respect to the horizontal. The cable supporting the strut is at angle alpha = 31.0o with respect to the

    asked on September 9, 2018
  37. science

    which of these is responsible for ridding the body waste?

    asked on December 13, 2018
  38. physics

    A 485-kg crate hangs from the end of a 11.7 m long rope. You pull horizontally with a varying force to move it a distance d = 5.8 m to the right. What is the magnitude of the applied force F when the crate is at rest in its final position?

    asked on August 31, 2018
  39. College Algebra

    Use the function f(x) = 3 – x 2 to find a. f(-2) b. f( 2/3 ) c. f(a + 2)

    asked on April 1, 2019
  40. physics

    At the entrance channel of a harbor, the tidal current has a velocity of 4.22 km/hr in a direction 17.4o south of east. Suppose a ship caught in this current has a speed of 17.5 km/hr relative to the water. If the helmsman keeps the bow of the ship aimed

    asked on August 11, 2018
  41. Algebra

    Directions: Find the prime factors of the polynomials 1. a. 2a2 - 2b2 b. 6x2 - 6y2 c. 4x2 - 4 d. ax2 - ay2 e. cm2 - cn2 2. f. st2 - s g. 2x2 - 18 h. 2x2 - 32 i. 3x2 - 27y2 j. 18m2 - 8 3. k. 12a2 - 27b2 l. 63c2 - 7 m. x3 - 4x n. y3 - 25y o. z3 - z 4. p. 4c3

    asked on June 12, 2016
  42. chemistry

    Consider the polymer polybutadiene. (a) Will linear polybutadiene or branched polybutadiene have a higher molar volume? (b) Will linear polybutadiene or branched polybutadiene have a higher glass transition temperature? (c) Will linear polybutadiene or

    asked on May 8, 2013
  43. Proportion

    A truck has traveled 75 miles in 1.5 hours of driving. At the same speed,which proportion can be used to determine how long,T (in hours),it would take the truck to travel 325 miles?

    asked on October 3, 2016
  44. math

    solve. 4r= -36

    asked on March 5, 2015
  45. Algebra

    1. 10a – 8b (-) 4a + 5b 2. 5b + 3c (-) 4b + 3c 3. 6d + 6e (-) 9d – 8e 4. 8x – 3y (-) -4x + 8y 5. 6rs – 7bc (-) 9rs – 7bc 6. 5xy – 9cs (-)-3xy + cs 7. x2 – 6x + 5 (-) 3x2– 2x – 2 8. 3y2 – 2y – 1 (-) -5y2– 2y + 6 9. (7a + 6b – 9c)

    asked on June 10, 2016
  46. physics

    On a winter day with the temperature hovering near freezing, the coefficent of static friction between the tires and an icy road is 0.27. What is the maximum incline that a four-wheel drive vehicle can climb with zero acceleration?

    asked on August 13, 2018
  47. physics

    3.92 kg block located on a horizontal floor is pulled by a cord that exerts a force F = 11.5 N at an angle theta = 15.5o above the horizontal, as shown in the Figure. The coefficient of kinetic friction between the block and the floor is 0.09. What is the

    asked on August 13, 2018
  48. physics

    A moving 1.6 kg block collides with a horizontal spring whose spring constant is 267 N/m (see figure). The block compresses the spring a maximum distance of 7.0 cm from its rest position. The coefficient of kinetic friction between the block and the

    asked on August 31, 2018
  49. Math

    A pitcher throws a 142 g baseball, which accelerates at a speed of 9 m/s^2. How much force does the pitcher apply to the ball?

    asked on May 4, 2015
  50. physics

    An 9.20kg ball, hanging from the ceiling by a light wire 115 long, is struck in an elastic collision by a 1.20kg ball moving horizontally at 6.00m/s just before the collision. Find the tension in the wire just after the collision.

    asked on March 14, 2012
  51. physics

    The rectangle shown has a mass, m. The sides are made of uniform thin wire. The short side is of length a, and the long side is of length b. If m = 10.50 g, a = 35.00 cm and b = 71.4 cm, what is the moment of rotational inertia about the axis indicated?

    asked on September 12, 2018
  52. Math

    What is -5g-6 for g=-2

    asked on November 5, 2018
  53. physics

    Two 21.0 kg ice sleds are placed a short distance apart, one directly behind the other, as shown in the figure. A 3.42 kg cat, initially standing on sled 1, jumps across to sled 2 and then jumps back to sled 1. Both jumps are made at a horizontal speed of

    asked on August 30, 2018
  54. physics

    Two blocks with masses m1 = 24.6 kg and m2 = 60.0 kg, shown in the figure, are free to move. The coefficient of static friction between the blocks is 0.67 but the surface beneath m2 is frictionless. What is the minimum force F required to hold m1 against

    asked on August 13, 2018
  55. physics

    A bullet of mass m = 0.025 kg is fired with a speed of vi = 94.00 m/s and hits a block of mass M = 2.10 kg supported by two massless strings. The bullet emerges from the right side of the block with a speed of vf = 47.00 m/s. Find the height to which the

    asked on August 30, 2018
  56. physics

    A 22.0-kg body is moving in the direction of the positive x axis with a speed of 359 m/s when, owing to an internal explosion, it breaks into three pieces. One part, whose mass is 6.5 kg, moves away from the point of explosion with a speed of 387 m/s along

    asked on August 30, 2018
  57. physics

    n aircraft uses a rocket-assisted takeoff unit (RATO) that is capable of discharging 49.0 kg of gas in 15.0 s with an exhaust velocity of 1300 m/s. The 3000 kg aircraft, on an ordinary takeoff without RATO, requires a distance of 440 m to reach a lift-off

    asked on August 30, 2018
  58. geometry hhhheeeelllllpppppp

    What is the surface area of a triangular prism with a base of 3 a height of 2.6 and a length of 7?

    asked on May 12, 2017
  59. physics

    wo blocks with masses m1 = 1.4 kg and m2 = 3.6 kg are at rest on a frictionless surface with a compressed spring between them. The spring is initially compressed by 60.0 cm and has negligible mass. When both blocks are released simultaneously and the

    asked on August 30, 2018
  60. physics

    wo blocks with masses m1 = 1.4 kg and m2 = 3.6 kg are at rest on a frictionless surface with a compressed spring between them. The spring is initially compressed by 60.0 cm and has negligible mass. When both blocks are released simultaneously and the

    asked on August 30, 2018
  61. Science

    if you exert the same force on two objects of different masses. which object will have the greater acceleration?

    asked on May 4, 2015
  62. algebra

    In a math competition, contestants receive 8+ points for every correct answer and -5 for every incorrect answer. Boris has 23 correct answers and 5 incorrect answers; bridget has 32 correct answers and 19 incorrect. Who has the higher score?

    asked on June 1, 2014
  63. math

    Which set of numbers does not contain three numbers that are equivalent? - Choices are:- A. 1/2,0.5,50% B. 1/5,0.02,20% C. 1/8,0.125,12.5% D. 1/20,0.05,5%

    asked on April 7, 2014
  64. physics

    A 1500 kg block of granite is pulled up an incline that has an angle of inclination of 23 o with a constant speed of 2.03 m/s by a steam winch (see Figure). The coefficient of kinetic friction between the block and the incline is 0.29. How much power must

    asked on August 31, 2018
  65. physics

    With brakes fully applied, a 1340 kg car deccelerates from a speed of 96.0 km/hr. What is the change in the kinetic energy of the car?

    asked on August 31, 2018
  66. physics

    A 32.7-kg block (m1) is on a horizontal surface, connected to a 6.7-kg block (m2) by a massless string as shown in the Figure. The pulley is massless and frictionless. A force of 236.1 N acts on m1 at an angle of 28.7o. The coefficient of kinetic friction

    asked on August 18, 2018
  67. Math.

    Which roof is steeper: a roof with a rise of 12 and run of 7 or a roof with a rise of 8 and a run of 4?

    asked on April 16, 2015
  68. math

    The distance between (0, 0) and (0, 1) on a certain coordinate plane is 1cm. The distance between (0, 0) and (1, 0) on that same coordinate plane is 1cm. What is the distance between (0, 0) and (1, 1)? Explain your answer.

    asked on February 22, 2011
  69. 8th grade math

    The following pattern continues indefinitely. REPEATREPEATREPEAT… 1) What is the 38th letter in the pattern? Explain your answer. 2) What is the 40th letter in the pattern? Explain your answer. 3) What is the 604th letter in the pattern? Explain your

    asked on March 3, 2011
  70. physics

    An aircraft uses a rocket-assisted takeoff unit (RATO) that is capable of discharging 49.0 kg of gas in 15.0 s with an exhaust velocity of 1300 m/s. The 3000 kg aircraft, on an ordinary takeoff without RATO, requires a distance of 440 m to reach a lift-off

    asked on August 30, 2018
  71. math

    In a private school the ratio of boys to girls is 5:3 if there are 50 more boys than girls. How many students are there in total?

    asked on January 14, 2016
  72. math

    what is the height of a solid with a volume of 120 m unit cubed and base area of 30 m squared?

    asked on February 27, 2014
  73. physics

    A block with mass m = 19.1 kg slides down an inclined plane of slope angle 18.2 o with a constant velocity. It is then projected up the same plane with an initial speed 2.05 m/s. How far up the incline will the block move before coming to rest?

    asked on August 13, 2018
  74. math

    Five athletes are chosen to represent their sports at the school pep rally. Two girls and three boys are selected to walk into the gymnasium. If a girl must enter first and the other girl must be the last one to enter, how many different ways can the

    asked on April 24, 2014
  75. math

    If a person standing 5 feet tall casts a shadow 12 feet long, then how long is a tree's shadow if a tree stands 17.5 feet tall?

    asked on April 21, 2014
  76. math

    Based on estimates, the town of wayne has a population of 54,000 people. Wayne has an area of approximately 25 square miles. What is the population density of wayne?

    asked on April 21, 2014
  77. Science

    What energy change occurs during condensation?

    asked on April 8, 2014
  78. math

    A professional baseball player has a battung average of 0.325 , express the players batting average as a fraction in simplest form.

    asked on April 7, 2014
  79. math

    A locker combination has three nonzero digits, and digits cannot be repeated. If the first digit is odd, what is the probability that the second digit is even?

    asked on March 12, 2012
  80. physics

    A thin stick of mass M = 2.0 kg and length L = 2.6 m is hinged at the top. A piece of clay, mass m = 1.0 kg and velocity V = 0.9 m/!@#$%^&s the stick a distance x = 1.90 m from the hinge and sticks to itWhat is the ratio of the final mechanical energy to

    asked on September 12, 2018
  81. physics

    With brakes fully applied, a 1340 kg car deccelerates from a speed of 96.0 km/hr. What is the work done by the braking force in bringing the car to a stop?

    asked on August 31, 2018
  82. physics

    Two blocks with masses m1 = 1.4 kg and m2 = 3.6 kg are at rest on a frictionless surface with a compressed spring between them. The spring is initially compressed by 60.0 cm and has negligible mass. When both blocks are released simultaneously and the

    asked on August 30, 2018
  83. physics

    does acceleration change when a lift is moving

    asked on August 14, 2018
  84. ENG1511

    Correct the following for subject-verb agreement, tenses and fragments. 1.My car it is very beautiful. 2.When he thought he could afford to pay his own school fees. 3.This students keep making noise. 4.When I was young,I use to love playing with dolls.

    asked on August 12, 2014
  85. math

    The New Jersey state lottert is $173,000,00. If you and your family win the lottery and receive 5% of that amount for the next twenty years how kuch money will you receive each year?

    asked on April 7, 2014
  86. Maths

    Among the 2 supplementary angles the measure of the largeer angle is 36 more than measure of the smaller one.Find their measures.

    asked on December 2, 2011
  87. science

    Water that's on the side of the earth facing the moon will (a) retreat (b) rise (c) stay at the same level (d) fall

    asked on July 27, 2010
  88. History

    Could anyone help me write a four paragraph essay with a thesis statement, based on this question?: Louis XIV declared his goal was 'one king, one law, one faith." Analyze the methods the king used to achieve this objective and discuss the extent to which

    asked on October 12, 2009
  89. physics

    A car with a weight of 15 000 N is being towed up a 20o slope at constant velocity. Friction is negligible. The tow rope is rated at 6 000 N maximum tension. a. Draw the free body diagram, by cleverly choosing the coordinate system. (5 marks) b. Calculate

    asked on September 2, 2018
  90. math

    Is the answer of 4×4×4 + 2×2 greater than the answer of 10 × 10 + 2 × 2 × 2 × 2 ×2?

    asked on April 24, 2014
  91. math

    If the kitchen floor is shaped like a rectangle and measures 11 feet × 14 feet, how many square tiles will they need to cover the floor if each square tile measures 4 inches × 4 inches?

    asked on April 21, 2014
  92. math

    Mark and Juanita want to tile their kitchen floor. If the kitchen floor is shaped like a rectangle and measures 11 feet × 14 feet, how many square tiles will they need to cover the floor is each square tile measures 4 inches × 4 inches?

    asked on April 21, 2014
  93. math

    A mother can make good cakes and pies. If she bakes 2 chocolate cakes and 1 apple pie, and then cuts them into 8 pieces each how many pieces would a family of 4 get altogether

    asked on February 27, 2014
  94. COM155

    Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. Bold each adverb. Underline each adjective. Compare the event to one or more similar events. When comparing, use at

    asked on August 3, 2011
  95. math

    The following pattern continues indefinitely. REPEATREPEATREPEAT… 1) What is the 38th letter in the pattern? Explain your answer. 2) What is the 40th letter in the pattern? Explain your answer. 3) What is the 604th letter in the pattern? Explain your

    asked on March 2, 2011
  96. Trig

    Use Trig identities to verify that sec^4(x)-tan^4(x)=1+2tan^2(x), Only work with one side of the equation

    asked on March 1, 2011
  97. math

    you gave this answer toa problem If you received a $10 reward, then you spent between $50 and $99.99 If you received a $20 reward, then you could have spent $100, $125, or $149.99. If your purchase is $98, then you'd be better off spending $2 more, so that

    asked on February 17, 2011
  98. Grammar

    Was trying to see if my answers were correct. Subject-verb agreement 1a. Did you know a famous animal-rights activist has criticized horseracing because of the dangers involved? 1b. Did you know a famous animal-rights activist have criticized horseracing

    asked on July 22, 2008
  99. Math

    As x increases by 2 units, y increases by 3 units.

    asked on April 29, 2015
  100. math 8th grade

    -15 - (3-7) + 6 * (-2) + (-8) - 9

    asked on May 21, 2014

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