# Questions Asked onMay 13, 2020

1. ## Physics

A bike is travelling at a velocity of 7 m/s. The cyclist brakes for 2 seconds when a dog runs out in front of her. The bikes new velocity is 4m/s. Calculate the acceleration of the bike

2. ## History

what kind of arrangement is agreed to in this contract? A.sharecropping B.black codes C.grandfather clause S.Ten Percent Plan

3. ## spanish

What foods are you eating if you’re eating “la leche” and “el pan” for breakfast? A. milk and bread B. butter and marmalade C. coffee and tea

4. ## science

Read the scenario. A cyclist starts at a position of 0 m and takes 3 s to move east to a position of +8 m. He then cycles west to a position of +5 m which takes an additional 2 s. What is the cyclist’s displacement? -5 m - 8 m +5 m +11 m

5. ## Physics

A loop of wire (resistance = 2.0 m) is positioned as shown with respect to a long wire which carries a current. If d = 1.0 cm, D = 6.0 cm, and L = 1.5 m, what is the magnetic flux (in Wb )in the loop at an instant when the current in the wire is 100 A?

6. ## Chemistry

One student calibrated a 50-mL burette by using the mass of water delivered. The student used an analytical balance which was previously calibrated by STEEL (density = 7.8 g/mL). During calibration, the temperature of water was found to be 19.0oC. The

7. ## math

The time t required to drive a certain distance varies inversely with the speed r. If it takes 2 hours to drive the distance at 67 miles per hour, how long will it take to drive the same distance at 55 miles per hour? 1.64 134.00 2.45 61.00

8. ## History

1. What was a big difference between the Texas Constitution of 1836 and the Texas Constitution? 2. After analyzing the similarities and differences of the U.S. Constitution and the Texas Constitution of 1845, what conclusion can be made? 3. why does the

9. ## History

For my study guide: Why does the current Constitution of Texas divide power in the executive branch? How is flag burning justified as a form of free speech? Why is it important for citizens to take an active role in Texas government? Compare the types of

10. ## Social Studies

What can be inferred by the passage of the black codes? A. Many southerners were willing to allow African Americans equality B. Many white Southerners wanted African American to remain as servants** C. Many white Southerners wanted African Americans to

11. ## English

in act 2 scene 4 of a Christmas carol scrooge and Marley what are the two women and man selling to old joe. T

12. ## History

Where did the Nazis carry out most of the murders that were the main part of a final solution? A. in death camps B. in slave labor camps C. in ghetto D. in Polish cities

13. ## Physics

As shown in the figure two loops carry currents with I1 = 3.6 A and I2 =9.4 A. The radii r1 = 12.5 cm and r2 = 18.5 cm. If a long current carrying wire is placed at point A parallel to Y axis, find the magnetic field at the origin. The long straight wire

14. ## History

why did Mackenzie king and other world leaders like Chamberlain follow a policy of appeasement?

15. ## Chemistry

A sample of nitrogen occupies 11.2 liters under a pressure of 580 torr at 32◦C. What volume would it occupy at 32◦C if the pressure were increased to 700 torr?

16. ## Language Arts

Could someone please review my thesis statement? Any suggestions how to make it better? Anne Frank's family experienced two years of extreme hardship during the Holocaust in hiding as a Jewish family, they were captured and sent to a concentration camp

17. ## Physic

A sample of radium weighs 1000g.How long will it take to decay to 125g if its half-life is 1620 years?

18. ## American History

Why did it take nearly a century for the full effect of the Fifteenth Amendment to be felt? I can't find the passage in my textbook and I'm confused. I know what the fifteenth amendment means but not this.

19. ## Math

In a study, a fish and game department worker catches, tags, and frees 124 catfish in a lake. A few weeks later he catches and frees 140 catfish. 35 have tags. Estimate the number of catfish in a lake. (Hint: set up and solve a proportion).

20. ## chemistry

Which of the following correctly relates the two equilibrium constants for the two reactions shown? A + B ⇄ 2 C, K₁; 2 A + 2 B ⇄ 4 C, K₂.

21. ## Physics

If a ball is fired at a rod pivoted at one end and the ball sticks to the rod and the ball-rod system rotates, then how does conservation of linear momentum work? There was linear momentum before, but after the collision it is all angular momentum? Does

22. ## mathematics

convert r=6cos(theta) to rectangular coordinates

23. ## Mathematics

An urn contains 10 red balls, 6 green balls, 15 orange balls, and 14 blue balls. If one ball is randomly drawn from the urn, what are the odds against the ball being green? State your answer as a ratio using a colon to separate the two numbers.

24. ## chemistry

How much heat is absorbed by 100 g of ice at -20 deg C to become water at 0 deg C? The specific heat of ice is 2.06 J/gC.

25. ## chemistry

An Unknown gas effuses at a rate that is 0.355 times the rate of oxygen gas effuses at the same temperature, calculate the density of this gas knowing that density of oxygen is 1.429 grams per liter.

26. ## Math

6 is one-third of a number, s

27. ## Algebra

Solve: 0.3*10^(3x) = 32 (again says) a. With an exact answer. b. Decimal form with one decimal accuracy. c. Decimal form with three values of accuracy.

28. ## Science

Analyze the effect of scientific and technological institutions on New Mexico. Include at least two institutions and two effects in your response.

29. ## science

Speed is defined as __________. the change in acceleration over time the change in velocity over time the distance traveled over time the change in position and direction over time

30. ## English

what impact did the novel have on you as a reader? would you recommend the novel to a friend? why or why not? Support your response with at least 2 pieces of evidence from the novel. the novel is dragonwings

31. ## Algebra

The diameter of a semicircle is 4 millimeters. What is the semicircles area

32. ## Algebra

Solve the equation lgx=−17 This question bothers me, cause its supposed to be higher level but I'm confused here if lg is maybe log or if its asking for three numbers that equate to -17.

33. ## Physics

I1 = I2= I3 = 4.00A. If d = 33cm, what is the magnetic field at A? How to I get to the answer 1.71*10^-6T to the right s.yimg.com/tr/i/9f16ab2fe6b044dd8a1f903167872e95_A.png

34. ## Science

Which gas found in the Earth's atmosphere greatly impacts the daily range of temperature on Earth. A) oxygen B) hydrogen C) nitrogen D) water vapor

35. ## English

Why did King Eury send Hercules to get the Girdle of Hippolyta? Group of answer choices a. King Eury wanted it. b. His daughter Hera wanted it. c. King Eury's wife wanted it. d. It didn't actually exist. i dont know much about hercules

36. ## Calculus

lim (arccsinx)(cotx) x-->0+ How do I solve this limit using L'Hopital's rule?

37. ## Math

Why is it that the 1/2 pizza was not reciprocate and where from the 1/5

38. ## chemistry

Which of the following is the correct form of the equilibrium constant expression for the following reaction?A(aq) + B(aq) ⇄ D(aq) + E(aq)

39. ## chemistry

Consider the reaction 2 A ⇄ 2 D + E. If K = 5 at Temperature T, which direction will this reaction proceed if [A] = 0.5 M, [D] = 1.5 M and [E] = 0.5 M at temperature T?

40. ## algebra

The function d(t)=-2t^2+7t+4 most closely represents the height(h) of the golf ball in feet after t seconds. How high does the golf ball reach?

41. ## chemistry

A voltaic cell is constructed based on the following reaction and initial concentrations: Fe2+(0.0050 M) + Ag+(2.0 M) ↔ Fe3+(0.0050 M) + Ag(s) Calculate [Fe2+] when the cell reaction reaches equilibrium.

42. ## Physics

A 20.0-kg crate sits at rest at the bottom of a 11.0 m -long ramp that is inclined at 36 ∘ above the horizontal. A constant horizontal force of 290 N is applied to the crate to push it up the ramp. While the crate is moving, the ramp exerts a constant

43. ## math

In the fruit bowl there are 3 apples, 4 bananas, and 4 pears. What is the ratio of pears to ALL fruit?

44. ## mathematics

Write the complex number 6-6i in polar form with argument θ between 0 and 2π.

45. ## chemistry

If the concentration of some reactant, B, is tripled, the rate of reaction triples. What is the order of B?

46. ## chemistry

How many Joules are needed to melt 1 gram of 0 deg C ice and turn it to water at room temperature of 23 deg C?

47. ## math

A code is made up of two letters from the English alphabet followed by a twodigit number. How many codes are possible if The letters and digits can be repeated in the same code?

48. ## English

The word of the day in the previous session was pandemonium. What word class does it belong to? i have no clue. im only allowed certain sites on my ipad so cant google it.ughhhh idk wat to do

49. ## Physics

The figure shows the orientation of a rectangular loop consisting of 80 closely wrapped turns each carrying a current I. The magnetic field in the region is ( ) mT. The loop can turn about the y axis. If the direction between area and magnetic field is

50. ## algebra

Solve 10^x - 0.47 * 10^x = 220 a. With an exact answer. b. Decimal form with one decimal accuracy. c. Decimal form with three values of accuracy.

51. ## Math

5c-3d+115c−3d+115, c, minus, 3, d, plus, 11 when c=7c=7c, equals, 7 and d=8d=8d, equals, 8.

52. ## Physics

A relative density bottle of mass 25g has a capacity of 50cm 3 . The bottle is completely filled with methylated spirit, and its mass is 65g. The bottle is emptied and some salt is then put into the empty bottle and then weighed, the mass now is 50g.

53. ## calculus

Sand is poured at the rate of 10 m cube /min so as to form a conical pile whose altitude is always equal to the radius of its base a) How fast is the radius increasing when it is 5 meters? b) Find the rate at which the area of its base is increasing when

54. ## Mathematics

2m+n=0 equation 1 2m+2n=3 equation 2

55. ## Science

Which of the following shows evidence of continental drift? A. Fossil evidence B. Glacial deposits C. Match up of landforms, rocks, and other resources D. All of the above My answer is D. am i right?

56. ## mathematics

Gerald buys a bag of 7,500 assorted beads online. A random sampe of 150 beads contains 17 red beads. Predict the number of red beads in the bag of assorted beads that Gerald bought.

57. ## physics

In an experiment, 2.0 grams of sodium hydroxide* are dissolved in 100 g of water. The temperature of the water goes from 21°C to 25°C. a. Does dissolving sodium hydroxide require or release heat?

58. ## Physics

A body of weight 4N rest on a plane inclined at 30degree to the horizontal. What force keep it from sliding from the plane?

59. ## Math

Is a cubic metre of diamond worth 10,000,000,000 rupees?

60. ## biology

How might the diversity of organisms in an area CHANGE after secondary succession has occurred. Give examples of producers and consumers that might be affected. Write in complete sentences.

61. ## physics

How do I convert 1672 J into kJ/g

62. ## algebra 2

evaluate each geometric series described 21) -3 + 15 - 75 + 375..., n=6 22) 1 + 5 + 25 + 125..., n=8

63. ## Math

I am cutting a string that is 20 feet long into halfs each time . So i have A table that goes X/y 0/20 1/10 2/5 3/2.5 How do i write the function for it to show the number of cuts i did . I know my starting point is 20 but its not multiplying its dividing

64. ## Chemistry

A gas has a volume of 6.0 liters at a pressure of 380 torr. If the pressure is increased to 760 torr, what will be its new volume?

65. ## social studies

what action did the first continental congress take to show its disapproval of english policies

66. ## Calculus

The function ƒ(x) = x3 – 3x + 2 is increasing on the interval -1 < x < 1. True or False

67. ## algebra 2

determine the number of terms n in each geometric series 21) a_1 = -2, r = 5, S_n = -62 23) a_1 = -3, r = 4, S_n = -409 thank u! :-)

68. ## Calculus

f ƒ′(c) = 0 then ƒ(x) must have a local extreme point at x = c.

69. ## Mathematics

Given that cosA=4/5 and sinB=15/17 where A and B are acute angles,find the value of cos(A-B)

70. ## Chemistry

A sample of a gas occupies 4164 milliliters at 20.0◦C and 5644 torr. What volume would it occupy at the same temperature and 346 torr? Answer in units of mL.

71. ## Science

Imagine that you work in a company that builds robots. You are asked to design a robot with hydraulic arms that can help out in the home. a) List some of the activities that this robot could use its hydraulic arms for. b) Why would hydraulic arms be better

72. ## science

Consider the situation. Scientists discovered a sedimentary layer of earth with high amounts of the element iridium. This layer was laid down about the time at which the dinosaurs went extinct. Iridium is rare in Earth’s rocks, but it is commonly found

73. ## Maths

A trader purchased 10 dozen eggs at 300 naira per dozen. On getting to his shop, he found that 20 eggs were broken. How much did he sell the remaining eggs if he made a pro fit of 10%?

74. ## math

Find the distance between two cities on a map if the scale used is 12 in. = 20 mi. and the cities are 55 miles apart. Give answer in decimal form.

75. ## science

A paleontologist organized information about horse fossils found over time and created this diagram as a result of his information. What does his diagram show? The horse has NOT changed over time, The horse will eventually become extinct. Horses developed

76. ## English

what do you think the fox-faced furs with brady black eyes symbolize?

77. ## pre algebra

can someone please help me? i don't know what the blank is. the __ of the two smaller squares (a^2+b^2) will always equal the area of the largest square (c^2).

78. ## algebra

At the birth of a baby, a couple decides to make an initial investment of C at the rate of 7% compounded annually so that the amount will grow to \$30,000 by her 10th birthday. What should their initial investment be? Round to the nearest dollars.

79. ## Math

So far on its tour, a band sold out 24 shows and did not sell out the other 15 shows. What is the experimental probability that the band's next show will be sold out?

80. ## History

What distinguishes James Baker III's career from other Texas leaders? A. He served as the governor of Texas. B. He was never elected to a public office. C. He was the only U.S. senator. D. He was the only one that didn't run for president.

81. ## Science

A hiker climbs a hill 300m high and weighs 50kg. Calculate the power if she takes 1 hour to climb the hill

82. ## biology

This is a type of photochemical air pollution that is a result of the interaction of sunlight with certain chemicals in the atmosphere. This type of air pollution is very hazardous to your health.

83. ## Math

One day at 3:00 AM the temperature was -22 in Kodiak Alaska. At 11:00 AM the temperature was 42 degrees. What was the average change in temperature per hour? PLEASE HELP!!!

84. ## Calculus

Convert (x-1)^2 +y^2=1 to a polar equation

85. ## Physics

How much work is done by a tree to stop a 25.0 g arrow traveling at 75.0 m/s if it embeds itself 6.00 cm into the trunk?

86. ## Physics

How much work is done by a tree to stop a 25.0 g arrow traveling at 75.0 m/s if it embeds itself 6.00 cm into the trunk?

87. ## Science

Which best describes a correct order of the water cycle? * 1 point precipitation, runoff, condensation, evaporation, precipitation precipitation, runoff, evaporation, condensation, precipitation precipitation, evaporation, condensation, runoff,

88. ## Physics

A dock worker slides a 65.0 Kg crate at a constant speed 35.5 m across a cement floor with a coefficient of kinetic friction of .633. How much work does friction do on the crate? How much work does the dock worker do on the crate?

89. ## Physics

A pyrotechnician launches a 255 g shell with a blast of 945 J, how high did it go?

90. ## Physics

A paratrooper fell 370.0 m from an airplane without his chute opening. He landed in a snow bank, creating a crater 1.10 m deep, but survived with only minor injuries. Assuming the paratroopers mass was 80.0 Kg and his terminal velocity of 30.0 m/s. What

91. ## Physics

A car begins to descend a 15.0o hill at a speed of 75.0 Km/hr and the driver puts the clutch in and lets the car coast down the hill with a vertical drop of 152 m. At the bottom of the hill the road begins to climb again at an angle of 8o until the road

92. ## Physics

Tarzan, an 85 Kg jungle brute, was running along a branch at a speed of 7.5 m/s 15 m above a level jungle floor. He grabs a 17 m vine and swings up to the maximum height where he grabbed a 25 m vine hanging at a 45o angle and swung on. At the bottom of the

93. ## physics

what is the name of the area surrounding earth which is influenced magnetic filed (shown in the diagram)? explain why the north geographic pole is actually the earth's south magnetic. please help

94. ## Math

A bank loaned out \$53,000, part of it at the rate of 13% per year and the rest at a rate of 6%per year. If the interest received was \$5350, how much was loaned at 13%

95. ## math

A ferris wheel has a radius of 9m. The centre of the wheel is 11m above the ground. The Ferris wheel rotates at a constant speed of 12° per second. What is the amplitude?

96. ## Mathematics

A closed rectangular tank 180cm height, 300cm long and 200cm wide is made of metal sheet which cost #8.50 per square metre. Calculate the cost of metal sheet used in making the tank.

97. ## mathematics

Can anyone help me with this question from Connexus's grade 8 polynomials unit test? Thank you! 23. Shannon and Kristoph are dividing numbers written in scientific notation. (3 points) Shannon’s expression: Kristoph’s expression: 4.2x10^9 4.2x10^2

98. ## math

a=6,9,12,15,18,… Find the closed form: an=

99. ## pre algebra

what is the blank? if "y varies directly with x", it is a ___ relationship where y=kx.

100. ## Engineering

Consider a diesel-fired steam power plant that produces 400 MW of electric power. The turbine inlet conditions of 5 MPa and 500°C and a condenser pressure of 25 kPa. The state of the water at the inlet of the pump is saturated liquid. The steam has

101. ## Math

The distribution of SAT scores of high school seniors in the US have a mean score of 1025 and standard deviation of 172. a) What range of scores lie between 2 standard deviations of the mean?

102. ## Science

A falling object is said to be at terminal velocity when the force of gravity pushing it down is exactly counterbalanced by the force of air resistance (a special case of friction) pushing up on it. Given that the net force on an object at terminal

103. ## mathematics

convert (-sqrt2, -sqrt6) to polar coordinates with r > 0 and 0 ≤ θ < 2π.

104. ## Chemistry

You are given one litre each of 0.5 M HCl and 0.2 M. The ratio in which they should be mixed so as to give maximum volume of 0.4 M HCl should be

105. ## math

what is 172 rounded to the nearest hundredths

106. ## chemistry

The decomposition of acetaldehyde has a rate constant of 4.71 × 10⁻⁸ L/mol/s. What is the instantaneous rate of decomposition of acetaldehyde in a solution with a concentration of 5.55 × 10⁻⁴ M?

107. ## Social Studies

Describe the effect of geographical location on agriculture in each Civilization--Mayans, Aztecs, and Incas. Describe the difference between adapting to and modifying one's environment. Give an example of each Why did the Spanish settle and conquer Central