1. Physics

What and why are stress and strain used instead of load and deformation?

2. PHYSICS

A mass of 0.5kg is attached to a spring. The mass is then displaced from its equilibrium position by 5cm and released. Its speed as it passes the equilibrium position is 50cm per seconds. a) Calculate the spring constant of the spring. b) Calculate the

3. Physics

Elastic behavior: when loads are small how much deformation occurs? What materials deform least?

4. Math

Find a cubic function y=ax^3+bx^2+cx+d that has a local maximum value of 3 at x=-2 and a local minimum value of 0 at x=1

5. English

The race began modestly, in 1970, with only 110 people in the race. This revision combines sentences (4) and (5) in paragraph 3. Choose which sentence type BEST describes this revision.

6. Social Studies

MS SUE PLEASE HELP i just finished writing a paper of how Bernardo de Gálvez was a Revolutionary hero but how do you think he was a hero using explenation i thought of using this info Gálvez aided the American Thirteen Colonies in their quest for

7. History

We, whose names are underwritten, the Loyal Subjects of our dread Sovereign Lord King James…Having undertaken for the Glory of God, and Advancement of the Christian Faith, and the Honor of our King and Country, a Voyage to plant the first Colony in the

8. History

Under the concept of mercantilism, American raw materials during colonial times would be sent to _______________. Great Britain Africa The Thirteen Colonies Europe Great Britan?

9. Chemistry

Explain with a chemical equation why the pH of the salt solution is or is not the same as pure water: NaCl, NaC2H3O2, NH4Cl We're working with salt and buffer solutions but the equations confuse me the most. Anything helps!!

10. mathematics

A dice with faces is showing a number 1 to 6 is tossdd four times. what is the total number of the possible outckmes. where an outcome is defined as sequence of the individual outcome of 1 to 6......Answer

11. Math

A store buys 77 1/2 pounds of mulch in a large shipment. They divide the mulch up into bags that can each hold 2 1/4 pounds. The store sells one bag of mulch for \$2.25. for each part of the question, show your work. a. How many full bags of mulch will the

12. English

Is the thesis "I was stranded in this newly alien environment that used to feel like home"? Also, is this an analogy or metaphor? "Greasemonkey, as its auto mechanic-derived name suggests, lets you pop open the hood of your web browser and mess around,..."

13. math

bionomial theorem

14. Biochemistry

An enzyme sample contains 24 mg protein per mL. Twenty µL of this sample in a standard incubation volume of 0.1 mL catalysed the conversion of substrate X to product Y at a rate of 1.6 nmol per minute. Calculate the velocity in terms of: a) µmol per

15. Calculus

Solve the integral: (2x-3)/(x^3-x^2) I'm stuck at finding A. I did partial fractions. I've already found B and C. At x=1, C=-1 At x=0, B=3

explain the meaning betweeen |-3| and -3

17. Math

Matthew has a 150 page book. He has read 1/3 of it. How many pages has he read so far?

18. Social Studies

How does the government of the United States most resemble the government of the Roman republic? A. All citizens have the right to vote. B. Women have equal rights with men. C. Different government bodies check one another’s powers. D. A written

19. Social Studies

Please tell me if this tags you or not. @damon @Ms. Sue @Reiny @Writeacher Which of the following factors helped trade to thrive during the Roman empire? Select all that apply. A. peace throughout the empire B. a shared religion throughout the empire C. a

T+18.1=23.9

21. Math

I tryed to do these questions but I just don't get them can someone help me with this please?

22. Physics

Stephanie hits a volleyball from a height of 0.80 m and gives it an initial velocity of 7.6 m/s straight up. a) how high will the volleyball go? b) how long will it take the ball to reach its maximum height?

23. math

A moving truck rental company charges \$35.95 to rent a truck, plus \$0.67 per mile. Suppose the function C ( d ) C(d) gives the total cost of renting the truck for one day if you drive d d miles. State the formula for C ( d ) C(d) . Make sure to give the

24. Social Studies

How did Hatshepsut change Egypt during her reign as pharaoh? A. She expanded Egypt by engaging in wars of conquest. B. She founded a new dynasty that ruled Egypt for generations. C. She established Alexandria as a major center of learning. D. She increased

25. Science

The dipole moment of water is 1.83 d were as that of carbon dioxide is 0.how will you explain this difference

26. science

IDK these help pls 1. Which of the following is a compound? A. O2 B. NH3 C. H2O+NaCl D. N2 2. What is the difference between compounds and mixtures? A. Compounds contain only one element; mixtures contain two or more elements. B. Compounds contain two or

27. physics

For situation depicted in the following figure BP-AP=˄+3 and D>>d. The slits are of equal widths having intensity I. If the intensity of Pis KI, find K.

28. English

should there be a comma after although in this sentence. Although there was not a lot of logos in the video......

29. English

is this sentence correct? Barlow uses a logical argument because cyber security is a relatively new issue, meaning many people will not be properly informed on the topic.

30. English

is this sentence correct? Barlow uses a logical argument because cyber security is a relatively new issue, meaning many people will not be properly informed on the topic. if i put a colon after argument would the make it correct?

31. physics

In the following figure S1 and S2 are coherent sources. The intensity of both sources is the same. If the intensity at the point P is 4W/m^2, What is the intensity of each source?

32. Social Studies

Why was Florence the artistic center of the Renaissance? A. There was a large supply of gold there. B. There was a university focused on the arts there. C. There were many wealthy banking families who supported the arts. D. The pope kept his money

asked by ms.sue/writ I NEED HELP!!check these plz! thx!
33. Calculus and Vectors

There is a wind blowing from N80oE at 45 km/h. The airspeed of the plane will be 550 km/h. (a) What direction should the pilot steer the plane (to whole degree)? Include a diagram as part of your solution. (b) What will the actual ground speed be of the

34. Maths

(1.6×10^-10)-(7.2x10^-11)

35. Math

in recent year, the world production of wheat was about 5.2 *10^8 metric tons. Canada produced 1/25 of this wheat. about how much wheat did Canada produce?

36. Social studies

What is the main topic discussed in the Analects of Confucius?

37. Vectors

If ∣x∣=8, ∣y∣=13 and ∣x+y∣=15, determine ∣x-y∣. You may want to draw a diagram to help with your solution.

38. Maths

Divide the sum of 65 by 12 and 8 by 3 by their differences

39. Maths

The sum of rational number is-5,if one of the -13 by 6 find the other. What is the answer of this question?????

40. Science

When mud and water are combined, the result. A. a mixture B. a compound C. an element D. a molecule

41. Math

Use benchmark to estimate the sum, difference, or product 14/16 + 1/5 A. 2 B. 0 C. 1/2 D. 1

42. PHYSICS

A gardener disregards the current hosepipe ban and water restrictions and uses a hosepipe to fill a 30.0 L bucket. They notice that it takes 1.00 min to fill the bucket. A nozzle with an opening of cross-sectional area 0.500 cm2 is then attached to the

43. geography

Which of the following is an example of narrative Non-Fiction A: An autobiography of a dancer B: A bus schedule for Chicago C: An owners manual for a car D: A pamphlet asking people to vote HURRY TELL ME THE ANSWERS!!!!!!!!!!!!

44. social studies

1.How did the environment of Arabia serve as a form of protection during much of the region's history? A. Its fertile oases enabled farmers to grow enough food for themselves and for sale. B. Its extreme heat and arid conditions kept invaders from

45. science

1. how to the principles of convection,conduction,radiation explain how the water in a saucepan gets hot. 2. why does a thrown football have both potential and kinetic energy? what is the combined energy called.

asked by Coonexus girl needs help
46. Algebra II

Solve the system using an augmented matrix. Show all work. -x - 3y = -17 2x - 6y = -26 Please help me! I don’t know how to do this. Can you show how to get it and the solution?

47. Social Studies

Which is an example of how the physical environment helped the Aztecs establish an empire? A. The capital city of Tenochtitlan could be easily defended from attack. B. The active volcanoes kept neighboring peoples from attacking the Aztecs. C. The capital

48. MATH

john poured 2 1 / 2 liters of water into a tank. then he poured out 3 2 / 5 liters of water from the tank , leaving 4 1 over 5 liters of water in the tank how much water was in the tank at first?

49. Math

Juggling numbers from old newspapers cut out digits 0 to 9 and stick them in a creative manner make sure the digits are not too small.juggle the digits to make the numbers described below. The challenge is you can use a digit only once in a number Using

50. Calculus and Vectors

If ∣Vector x∣=8, ∣Vector y∣=13 and ∣Vector x + Vector y∣=15, determine ∣Vector x - Vector y∣. You may want to draw a diagram to help with your solution.

51. Math

A Kenyan bank buys and sells foreign currencies Buying (Ksh) Selling(Ksh) 1 Sterling pound 130.10 130.54 1 South African Rand 9.52 9.8 A businessman on a trip to Kenya had pound 50,000 which he coneveted to Kenya shillings. While in Kenya, he spent 80% of

52. Spanish

Suppose you are babysitting your little brother. In Spanish, tell him to do three things using the verbs hacer, ir, and ser. Example: Ver a tu cuarto. I need help! Someone please help me!

53. Social Studies

Why was Florence the artistic center of the Renaissance? A. There was a large supply of gold there. B. There was a university focused on the arts there.********* C. There were many wealthy banking families who supported the arts.******** D. The pope kept

54. Geography

What geographic feature most likely helped Rome become a site of encounter? A. Arabian Peninsula B. Atlantic Ocean C. Mediterannean Sea D. Sahara Desert

55. Geography

i am working on a quiz and i am failing all my classes and was wondering if you could help me under stand better so i can be more prepped.

56. math

12 < y(8-y) A. 0 B. 1 C. 2 D. 3**

57. Physics

1. If a car's mass is 439 kg, what is the weight on earth? A. 4390 N B. 4350 N C. 4300 N D. 4360 N 2. If a person weighs 717 N on earth and 5320 N on the surface of a nearby planet, what is the acceleration due to gravity on that planet? A. 83.6 m/s^2 B.

58. geography

21. what is the role of the government in a mixed economy? could anyone help me in any way by the way this is not a multiple choice question

59. social studies

please help me this is an opened ended question how does the tilt of earths axis and its movement around the sun play a part in the changing of the seasons in the northern hemisphere?

60. Physics

1. Which statement is true? A. Weight depends on mass. B. Mass depends on weight. C. Mass depends on gravity. D. Weight depends on velocity. Is it D? Thanks.

61. modern world studies

Two cities in texas you could visit to see original Spanish missions and architecture are what and what

62. federal tax

As part of their divorce agreement, Harry transfers to Mary, his former spouse, GM stock with a market value of \$30,000. Harry had \$20,000 invested in the stock. How does this transfer affect Harry, and what is Mary's basis in the stock?

63. Mathématiques

Pourquoi theycrash est-il dans la tour jumelle?

64. Science

please help me this is an opened ended question how does the tilt of earths axis and its movement around the sun play a part in the changing of the seasons in the northern hemisphere?

65. Math

Use long division to find the remainder when f(x)=3x^5-7x^3-11x^2+2 is divided by x-2.

66. Math

If the bearing of P from Q is 145% find the bearing of Q from P

67. Geography

16.How do countries seek to economic development? a. decrease educationa and increase tariffs b. invest in education and fund capital goods* c. decrease capital goods and increase tariffs d. restrict tariffs and reduce education 18. which of the following

68. math

What is 1,000,000 + 30,000 + 8,000 + 500 + 70 + 3 in standard form?

69. World History

Why did the Zimmermann telegram convince the United States to change its isolationist stance? It claimed that the United States was going to be attacked by Russia. It offered US territory to Mexico if Mexico aided in the German war effort. It called

70. World History

Which event is credited with starting World War I? the attack on the Lusitania the Reichstag fire the sinking of the USS Maine the assassination of Franz Ferdinand D?

72. Pre Calculus

Find the number of units that produces maximum revenue given by R = 900x-0.1x^2, where R is the total revenue in dollars and x is the number of units sold.

73. Math

Which expression can be written as 4•(3+8)? A. (4+3)(3+8) B. (4•3)+(4•8) C. (4+3)•(4+8) D. 4•3+8 Please can someone help

74. History

How did the Phoenicians’ willingness to travel far for trade eventually lead to the spread of their civilization? can someone please link me a website so i can find the answer? I've been working on this test for hours, and I'm ready to get it done :/

75. Science

During a controlled experiment where you purposely change the temperature of the air in a room and you are measuring the effects on plant growth, what is the dependent variable? I am confused on this. Is the dependent variable plant growth or is the

76. Math

Which property is shown by 3+2 = 2+3 A Commutative property of addition B identity property of addition C distribute property D associative property

77. Science

How is empirical evidence different from an opinion. Is empirical evidence-Empirical evidence is information acquired or gathered by observation or experimentation. Opinion-what is the true science definition?

78. Civic Education

How To Promote National Unity And National Integrity

79. English

1. which of the following sentences contains a misplaced modifier? A. grandma bought herself a smart phone, and she uses it only to play video games B. Reading until late, it was very hard for me to wake up early this morning

80. science

Choose ALL of the following correct statements. Waxing Moons appear to get smaller as the Moon revolves around Earth. A waxing Moon occurs after the Full Moon during the month. A waxing Moon occurs after the New Moon but before the Full Moon A waxing Moon

81. Physics - Scott help!

1. A block of mass 57.1 kg rests on a slope having an angle of elevation of 28.3°. If pushing downhill on the block with a force just exceeding 162 N and parallel to the slope is sufficient to cause the block to start moving, find the coefficient of

82. physics

another ball is thrown vertically upwards and returns to the ground 5 seconds later. the height to which the ball rises is approx

83. Chemistry

It's January in Nashville and your local weather station just informed you that the temperature outside is -5.10 degrees Celsius. You estimate the amount of ice on your driveway to be approximately 30.0 kg. What is the minimum amount of sodium chloride in

84. Math

What kind of equation is 15x=3y linear equation. Inverse variation. Direct variation or joint variation?

85. History

Why do you think the colonists might have been afraid of a strong central government after their experience under the British?

asked by 2 + 2 =
86. Algebra

Explain patterns in the placement of the decimal point when multiplying 5 by 10^2, 10 ^1 and 10^0. Please explain i'm not very good with math.

87. Chemistry

Balance this equation 2Cd(No3)2 + (NH2)2S-2CdS +2NH4No3

88. English

Can someone please help me with this? In the following literature selections, individuals experience rites of passage in various ways: The bass, The river and Sheila Mant Oranges I know why the Caged Bird Sings First lesson On Turning Ten Hanging Fire My

89. History

How does Judaism influence modern society?

90. Chemistry

Consider the reaction 2H2O(g) → 2H2(g) + O2(g) ΔH = +483.60 kJ/mol at a certain temperature. If the increase in volume is 42.7 L against an external pressure of 1.00 atm, calculate ΔU for this reaction. (The conversion factor is 1 L · atm = 101.3 J.)

91. History

which of the following governments has unlimited power? a. unitary presidency b. socialist oligarchy c. parliamentary system d. constitutional monarchy i think its either a or b but im not sure, help me please.

92. Language Art

Identify the interjection in the following sentence. Ouch! I just banged my shin on the table. A. ouch b. banged c. shin d. on

93. Physics

1. A block of mass 57.1 kg rests on a slope having an angle of elevation of 28.3°. If pushing downhill on the block with a force just exceeding 162 N and parallel to the slope is sufficient to cause the block to start moving, find the coefficient of

94. math

George works for \$15 an hour. Each day he works 5 hours. Each week he works 5 days. After 8 weeks, about how much will George have earned?

95. history

What led to the Scramble for Africa? Colonial powers in Europe scoured Africa in search of gold left by ancient civilizations. New inventions and an economic slump in Europe led to the division of Africa for raw materials and new markets. European imperial

96. Physics

Consider the figure below. www.webassign.net/sercp9/4-p-017-alt.gif (a) Find the tension in each cable supporting the 688-N cat burglar. (Assume the angle θ of the inclined cable is 38.0°.) inclined cable - ??? horizontal cable - ??? vertical cable - ???

97. Physics

A 165.8-N bird feeder is supported by three cables as shown in the figure below. Find the tension in each cable. left cable - ??? right cable - ??? bottom cable - ??? www.webassign.net/sercp9/4-p-019.gif

98. probability

A set of 60 different days is selected from a given year. assume that all sets of cardinality 60 are equally likely. Also, for simplicity, assume that the year has only 360 days, divided into twelve 30 day months evaluate the probability of the following

99. Physics

www.webassign.net/sercp9/4-p-024-alt.gif The systems shown below are in equilibrium. If the spring scales are calibrated in newtons, what do they read? Ignore the masses of the pulleys and strings and assume the pulleys and the incline are frictionless.

100. Physics

www.webassign.net/sercp9/4-p-047-alt.gifThe coefficient of static friction between the m = 3.60−kg crate and the 35.0° incline of the figure below is 0.330. What minimum force F must be applied to the crate perpendicular to the incline to prevent the

101. Probability

Determine whether each of the following statements about events A,B,C is always true or not. 1. Suppose that A,B and C are independent events; then A^c (A complement) and B U C^c are independent. (T/F) 2. From now on, we do not assume that A,B,C are

102. Probability

Let A,B,C be three events, and let X=IA, Y=IB, and Z=IC be the associated indicator random variables. We already know that X⋅Y is the indicator random variable of the event A∩B. In the same spirit, give an algebraic expression, involving X,Yand Z, for

The rate of bacteria growth in a laboratory experiment was measured at 14% per hour. If this experiment is repeated and begins with 7 grams of bacteria, how much bacteria should be expected after 15 hours? Round to the nearest tenth of a gram.

104. Texas history

Which of the following shows the most evidence if Spanish architecture being preserved Ranches Schools Homes Missions I think it’s missions but it might be homes

105. Math

The requirement for computer server capacity at Acme Industries is expected to increase at a rate of 11% per year for the next 7 years. If the server capacity is expected to be 1,200 gigabytes in 7 years, how many gigabytes of capacity are there today?

106. Probability

Let X,Y,Z be independent discrete random variables with E[X]=2, E[Y]=0, E[Z]=0, E[X^2]=20 E[Y^2]= E[Z^2]=16, and Var(X)=Var(Y)=Var(Z)=16. Let A=X(Y+Z) and B=XY. 1. Find E[B]. E[B]= ? 2. Find Var(B). Var(B)= ? 3. Find E[AB]. E[AB]= ?

107. Probability

Bob has two coins, A and B, in front of him. The probability of Heads at each toss is p=0.5 for coin A and q=0.9 for coin B. Bob chooses one of the two coins at random (both choices are equally likely). He then continues with 5 tosses of the chosen coin;

108. Probability

Bob has two coins, A and B, in front of him. The probability of Heads at each toss is p=0.5 for coin A and q=0.9 for coin B. Bob chooses one of the two coins at random (both choices are equally likely). He then continues with 5 tosses of the chosen coin;

109. physics

In the diagram below, a water wave having a speed of 0.25 meter per second causes a cork to move up and down 4.0 times in 8.0 seconds. What is the wavelength of the wave is it 2m?

110. Probability

With A,B,X defined as before, determine whether the following statements are true or false: 1. A and B are independent. (T/F) 2. A and B are conditionally independent, given X=0. (T/F) 3. A and B are conditionally independent, given X=1. (T/F)

111. Physics

1. A horse is harnessed to a sled having a mass of 231 kg, including supplies. The horse must exert a force exceeding 1250 N at an angle of 36.3° (above the horizontal) in order to get the sled moving. Treat the sled as a point particle. (a)Calculate the

112. history

Which most accurately describes New Imperialism? a period of political change advancing the belief of balanced global governance and interconnected economic systems a movement of European intellectuals who used reason to advance political ideas connected

113. Probability

Consider a group of n≥4 people, numbered from 1 to n. For each pair (i,j) with i≠j, person i and person j are friends, with probability p. Friendships are independent for different pairs. These n people are seated around a round table. For convenience,

114. physics

A hunter finds his target standing on top of a frozen lake. He shoots with his rifle but in doing so, he too was thrown back over the lake and injured himself. Why did this happen? I'm thinking Newton's 3rd law but aside from that don't really know how to

115. history

Jefferson does many of the same things a Lincoln when it comes to governing what are some of them?

116. Math

The corner A, B, C and D of a ranch are such that B is 8 km directly East of A and C is 6km from B on a bearing of 30 degree.D is 7km From on a bearing of 300 degree. (a) the bearing of A and D; (b) the distance BD in kilometers. (C) the perimeter of the

117. Science

At some point in their lives, all chordates have a flexible supporting rod in their backs called a A. notochord**** B. gill. C. nerve cord. D. backbone.

118. Economic

Most of the​ world's economies can be identified as industrial or developing nations. As the ratio of these economies is​ examined, which of the following is not​ true? A. Only a small segment of the world​ (such as the U.S. and Western​ Europe)

119. Physics

A 60 kg block weighs 132 lb on Earth. If the block were transported to a planetary body that had a BIGGER free fall acceleration (as compared to Earth), which one of the following would be TRUE? The block would have a smaller mass & a bigger weight. The

120. Physics

A hockey puck is observed to be sliding along a flat frictionless surface at a speed of 42 mm/s. There is no net force acting on the puck. Assuming it doesn't smash into anything, how FAST will the puck be going 2 h later?

121. Physics

A ball is being twirled in a circle. If the string breaks and we IGNORE gravity, what path will the ball follow after the string breaks? 1. It will slow down and move in a straight line. 2. It will slow down and move in a circle. 3. It will speed up and

122. Physics

Your textbook is transported from Earth to the Moon. Which of the following statements is true? 1. The mass of your textbook will change but the weight of your textbook will remain the same. 2. Both the mass & the weight of your textbook will remain the

123. Physics

Which of the following statements are IMPOSSIBLE? Choose all that apply 1. A pencil exerts a smaller gravitational force upon Neptune than Neptune exerts upon it. 2. A ball moving in a circle had 0 N of net force acting on it. 3. Jill exerted 80 N of force

124. Physics

A 100 kg fullback is running at 3.4 m/s to the East. What is the momentum of the fullback?

125. Social Studies

What geographic feature most likely helped Rome become a site of encounter? A. Arabian Peninsula B. Atlantic Ocean C. Mediterannean Sea D. The Arizona Desert

126. Physics

Calculate the speed of a satellite moving in a circular orbit about the Earth at a height of 2700×103 m. The mass of the Earth is 5.98×1024 kg and the mass of the satellite is 1400 kg.

127. Physics

Calculate the gravitational force between the Sun and an object. The mass of the Sun is 1.99×1030 kg. The mass of the object is 868 ×103 kg. The distance between the object and the Sun is 1.496×1011 m.

128. math

jim began a 92​-mile bicycle trip to build up stamina for a triathlon competition.​ Unfortunately, his bicycle chain​ broke, so he finished the trip walking. The whole trip took 4 hours. If Jim walks at a rate of 3 miles per hour and rides at 35

129. History

What could best be inferred from the map? A. Phoenicia was frequently at war with other empires. B. Phoenicians traded with peoples in Africa and Europe. C. The population of Phoenicia and its colonies was larger than that of Greece and its colonies. D.

130. history

Which explains the decline of Japan’s isolationism? Limited natural resources on the islands of Japan led to the end of isolationism and allowed for the rise of Japanese industrialization. The elimination of isolationist policies in Japan was caused by

131. math

Find the gcd (a, b) and lcm (a, b) if a = 2^3 5^6 and b = 2^3 5^3 7^3