1. Physics- LOST!

If the air temperature is the same as the temperature of your skin (about 30.0 C), your body cannot get rid of heat by transferring it to the air. In that case, it gets rid of the heat by evaporating water (sweat). During bicycling, a typical 70.0 kg

2. physics

A solid object floats with three-fourths of its volume beneath the surface of eater. What is the object's density? Give answers in g/cm^3. p_o=? p_object/p_water = v_water/v_object p_o/(1 g/cm^3) = ? for the volume side would it be 3/4 so that p_o/(1

3. PHYSICSSS

Small rockets are used to make tiny adjustments in the speeds of satellites. One such rocket has a thrust of 35 N. If it is fired to change the velocity of a 71500 kg spacecraft by 64 cm/s, how long should it be fired?

4. CHEM

Rhodium has density of 12.41g/cc and crystallizes with the face-centered cubic unit cell. Calculate the radius of a rhodium atom. xpress your answer using four significant figures. For this question I tried to calculate backwards from a previous question I

5. GS 104 Physics (Physical Science)

Trucks often have signs on their backs that say, "If you can't see my mirrors, I can't see you." Explain the physics here.

6. physics

How much absolute (total) pressure must a submarine withstand at a depth of 120m in the lake. Give answer in kPa. (Use 10m/s^2 for g). h=120m p_water = 1 g/cm^3 = 1000 kg/m^3 p_atmosphere = 101.3kPa P_total = ? P_water =density *g*h =1000*10*120 =1200000Pa

7. physics

An object floats with half of its volume beneath the surface of the water. The weight of the displaced water is 2000N. What is the weight of the object? I'm confused by this problem. How would I go about solving this? My guess would be that the weight of

8. Physics Problem

While running, a 70.0 kg student generates thermal energy at a rate of 1200 W. To maintain a constant body temperature of 37.0 C, this energy must be removed by perspiration or other mechanisms. If these mechanisms failed and the heat could not flow out of

9. Calculus

A small aircraft starts its descent from an altitude of 1 mile, 4 miles west of the runway. a) Find the cubic f(x) = ax3 + bx2 + cx + d on the interval [-4,0] that describes a smooth glide path for the landing. b) If the glide path of the plane is

10. math

Find the two numbers that multiply to the product number and add to the sum number of the following: a)Product 563033256; Sum 51895 b)Product -43481220; Sum 28429 c)Product 2545124358; Sum -105619 I tried xy = product and x+y = sum, but it didn't work

11. physics

A rectangular box of negligible mass measures 5m by 1m by .5m. How many kgs of mass can be loaded onto the box before it sinks in the water? V=5*1*.5 = 2.5m^3 density of water =1g/cm^3 =1000 kg/m^3 I also know that when the density of the mass is greater

12. Calculus

A section of highway connecting two hillsides with grades of 6% and 4% is to be build between two points that are separated by a horizontal distance of 2000 feet. At the point where the two hillsides come together, there is a 50-foot difference in

13. Chemistry

Can you tell me if i did these right?? Lewis Dot Structure A. BrF = 5 dots around Br-F with 5 dots around it B. PBr3 = ? I don't know how to do because of the 3 C. NOF= 3 dots around N 2 dots around O and 5 dots around F N-O-F D. CO = 3 dots around C

14. financial management

Can anyone help me witht his I am so lost. The following tabulation gives earnings per share figures for the Foust Company during the preceding 10 years. The firm’s common stock, 7.8 million shares outstanding, is now (1/1/03) selling for \$65 per share,

15. Management freuqnecy distribution

2. Use the data in the following table to • Prepare a frequency distribution of the respondents’ ages • Cross-tabulate the respondents’ genders with cola preference • which was the preferred cola Individual Gender Age Cola Preference Weekly

16. Title

I need a creative title about the benefits of volunteering!!! NOT A SLOGAN!

17. physics

How much absolute (total) pressure must a submarine withstand at a depth of 120m in the lake. Give answer in kPa. (Use 10m/s^2 for g). h=120m p_water = 1 g/cm^3 = 1000 kg/m^3 p_atmosphere = 101.3kPa P_total = ? P_water =density *g*h =1000*10*120 =1200000Pa

18. Chemistry

write the resonance desription for the following A. ClNO2 B. NO-2

19. Social Studies

Where is a good place for me to find help with 5th grade social studies homework? I am having difficulty with U.S. History, Rise of businesses, time period: 1850-1915. Thanks!

20. Science - - Cells

What structures are found only in animal cells? I can't figure it out...I know that chloroplasts and a cell wall are only contained by plant cells. But what about animal cells?

21. math

Jennifer bought a brand new sports car. The price of the car was \$14,900 including sport wheels, an AM/FM CD stereo, and automatic transmission. The dealer gave her a \$1,250 instant rebate on the price and 0% interest for 60 months. Jennifer made a down

22. chemistry

the following reaction has a Kp = 109 at 25 degrees C 2NO(g) + Br2(g) reversible 2NOBr(g) If the equilibrium partial pressure of Br2 is 0.0159 atm and equil pressure of NOBr is 0.0768 atm, calculate the partial pressure of NO at equlibrium. What are the

23. Chemistry

Do impurities raise or lower the property of an organic compound such as lower or raise an equivalent weight?

24. In Need of a Mathmetician!!!!

An ant of negligible dimensions start at the origin (0,0) of the standard 2-dimensional rectangular coordinate system. The ant walks one unit right, then one-half unit up, then one-quarter unit left, then one-eighth unit down, etc. In each move, it always

25. physics

A rectangular box of negligible mass measures 5m by 1m by .5m. How many kgs of mass can be loaded onto the box before it sinks in the water? V=5*1*.5 = 2.5m^3 density of water =1g/cm^3 =1000 kg/m^3 I also know that when the density of the mass is greater

26. math

a rectangular mural is painted on a wall. if the mural is 12ft wide and covers 86.4sqft,what is the height of the mural?

27. PHYSICSS.. someone help plz.

A football is kicked at 15 m/s with an angle of 35 degrees with the ground. How long is it in the air? How far will it land? Can someone help plz... Thanks!

28. Geography

where is the mouth of the nile river located? Thanks!!1

29. PHSYICS HELP PLZZZZ

A football is kicked at 15 m/s with an angle of 35 degrees with the ground. How long is it in the air? How far will it land? Can someone help plz... Thanks!

30. physics

The density of gold is 19.3 x 10^3 kg/m^3. What buoyant force does a .6 kg gold crown experience when it is immersed in water? B=m_water*g =p_water*v_water*g =p_water*v_gold*g and to find v_gold =m/density and from there would p_water =1000kg/m^3?

31. Physics

Could someone please help me with these questions. . . 1. Why are there positive and negative electrical charges, while magnetic poles always seem to be bound together? 2.If two resistors are connected in parallel, how do you know that their effective

32. Algebra

I have been doing sum of cubes and difference of cubes problems and I just cant figure out these questions... Sum of Cubes Pattern a3 + b3 = (a + b)(a2 - ab + b2) Difference of Cubes Pattern a3 - b3 = (a - b)(a2 + ab + b2 1. 64x^3 + 1 2. 1-125b^3 3.

33. Dan

Darryl Strawberry hits a baseball with a horizontal velocity of 45 m/s and a vertical velocity of 25 m/s... Find the time it takes for the ball to travel to the highest point Find the total time the ball is in flight Find the range Find the max height the

34. physics

The density of gold is 19.3 x 10^3 kg/m^3. What buoyant force does a .6 kg gold crown experience when it is immersed in water? B=m_water*g =p_water*v_water*g =p_water*v_gold*g and to find v_gold =m/density and from there would p_water =1000kg/m^3?

35. Physics

A football is kicked at 15 m/s with an angle of 35 degrees with the ground. How long is it in the air? How far will it land? Can someone help plz... Thanks!

36. Chemistry

What type of orbital is designated by the quantum numbers n=3, l=1, and magnetic number=0 ? 1f 3s 3p 4p give an explanation for answer

37. sci 275

Do you believe that humans can harvest forest resources in an environmentally friendly way? or should national forests be left in their natural state in which resources are not used to benefit humans?

38. World History

Where can I find maps on the diffusion of diseases in the time period 1450-1750? I need diffusion maps on Syphilis and Hepatitis from Americas to Europe, Syphilis from Europe to Africa, and Malaria and Yellow Fever from Africa to Americas. Also, I need

39. Finanacial accounting

I am having touble how to work with the retail inventory method to estimate the companies year end inventory. i have the following information but i just do not see it with even the example in the book. It is in a 5x3 matrix of colimns and rows. what is in

40. PHYSICS

In a physics lab experiment, a student immersed 205 one-cent coins (each having a mass of 3.00 g *.003kg) in boiling water. After they reached thermal equilibrium, she quickly fished them out and dropped them into 0.244 kg of water at 20.0 C in an

41. Projective Motion Problem

Darryl Strawberry hits a baseball with a horizontal velocity of 45 m/s and a vertical velocity of 25 m/s... Find the time it takes for the ball to travel to the highest point Find the total time the ball is in flight Find the range Find the max height the

42. Creativeness

I need to make a brochure that promotes volunteering. I need a catchy title!!! I really have no good ideas. Thanks!

43. physics

A block of wood weighs 40 N in air and 30 N in water. What is the buoyant force exerted by water on the block? B = -F_g = B-F_g =30-40 = - 10N Is this correct?

44. Physics

A block weighing 70.7 N rests on a plane inclined at 21.6° to the horizontal. The coefficient of the static and kinetic frictions are 0.23 and 0.12 respectively. What is the minimum magnitude of the force F, parallel to the plane, that will prevent the

45. algebra 2

how do you graph the function: C(x)= {.15x, if 0

46. Language Arts

In the Holocaust a long time ago, did the Nazis ever give up their cruelness and become people again or did they all just get killed? Are there still some now?

47. Physics

A youngster shoots a bottle cap up a 15.0° inclined board at 1.92 m/s. The cap slides in a straight line, slowing to 0.95 m/s after traveling some distance. If the coefficient of kinetic friction is 0.35, find that distance. I'm never sure which equation

48. algebra 2

consecutive odd integer problem find two odd integers the sum of whose squares is 130. (sq)=squared let x= 1st odd int let x+2=2nd odd int (2x+2)(2x+2)=130 4x(sq) + 4x+ 4x +4=130 4x(sq) + 8x -126= 0 2(2x(sq)+4x-63)=0 My question: WHAT ARE THE TWO DARN

49. factoring

the wodth of a volleyball court is (x+2) and the lenght is (x-15). What is the smallest integer value of x for which this area makes sense? I really don't get it...

50. Algebra

Simplify: 3 squared divided by the square root of 80. Multiple choices: 1. square root of 80 divided by 3 to the negative 2nd power 2. 4 over 9 times the square root of 5 3. 5 over 4 times the square root of 5 4. 9 over 20 times the square root of 5

51. english

Where can I go to find a format for a newpaper,I must produce a a paper in newspaper format.

52. Chemistry

What are some practical applications of chromatography?

53. math

1 pie with diameter of a to b then radius of top to bottom half of c to o the chord is angle cob right. the questions are a. which chord is not a diameter b. name a central angle that is a right angle c. name a inscribed angle

54. PHYSICS (what is a dynamic equation????)

A car of mass Mc is connected to mass m2 by a string. The string passes over a solid cylindrical pulley, which has a frictionless bearing, of radius R and mass M. when the system is released from rest the string doesn't slip, the car moves down the

56. New History Question 4 U lovely ppl 2 answer!

How much did the United States pay for Louisiana?

57. Algebra

Jan and Carol are competing in the 500m Freestyle swimming competition. In this event, swimmers make 10 laps in a 50 meter pool. Carol finished the race in 2 minutes, 40 seconds and swam 1/4 m per second faster than Jan. What was Jan's time?

58. English

Which of the following is a complex sentence that contains a dependent adverbial clause? 1) Mark expects the photo to arrive on Tuesday. 2)Marks expects the photo to arrive late. 3) Mark expects the photo to arrive in damaged condition. 4) Mark expects the

59. English

Identify the sentence that contains a noun cluase in italics. 1) Betty wants "to harvest the corn". 2) "When should Betty" harves the corn? 3) Betty would like "to harvest the corn". 4) "What Betty wants" is to harvest the corn. This one is #D, but again I

60. English Grammar

In the sentence "They are always late to the ball game.", what part of speech is "always" and "late"?

61. Math

Can someone explain Gottlob Frege's basic law V to me? it is “for concepts F and G, the extension of F equals the extension of G if and only if for all objects a, Fa if and only if Ga”. Its for a paper on the philosophy of mathematics I'm writing.

62. Math

I have to solve this equation by extracting square roots. (x-7)^2=(x+3)^2

63. english

I need some information on Xena

64. Chemistry

Compound Identification How can I identify the anion of an unknown solution? - The possible cations in the solution are Ag, Al, Fe, Mg, Zn (not really important to this part) - The anions could be either NO3- or Cl- We're given Na2CO3 and NaOH solutions to

65. Physics

A block weighing 70.7 N rests on a plane inclined at 21.6° to the horizontal. The coefficient of the static and kinetic frictions are 0.23 and 0.12 respectively. What is the minimum magnitude of the force F, parallel to the plane, that will prevent the

66. Atoms. Atoms.

YOU DISCOVERED A NEW ATOM! WOW, EVERYONE AT YOUR LAB IS IMPRESSED!! SOME ARE SAYING YOU MAY BE NOMINATED FOR THE NOBEL PRIZE IN MEDICINE!!! IF THIS IS GOING TO HAPPEN, YOU HAVE TO FIND OUT AS MUCH ABOUT THE ATOM AS YOU CAN, AND YOU DON’T HAVE LONG TO DO

67. science

1.Explain how scientists work together to forecast hurricanes? 2.What damage can occur from a storm surge? 3. where does a tropical strom get its energy? 4. Which statment BEST describes a hurricane? A.Its wind are at least 119km per hour OR B. It forms

68. math

simplify and state the restrictions on the variables. 4/mn * m/2

69. math

simplify and state the restrictions on the variables. a^3/(a+1)^2 + a/(a+1)^2

70. SCI. HELPPPP

hi i really really can't find this plz help mee~ Find out the exact rate of movement/increase of distance from New York to Europe THANKS~

71. Social Studies

How do you un scabble theese words? turvule mesou coflan Theese are Eygtain Animals

72. physics

ideal gas is kept under constant pressure of 1 atm. If initial temperature is 301K and the volume increases by 10% what is the final temperature of the gas? T2=? V1/V2= T1/T2 V1/V2= (301K)/T2 .10/1= (301K)/T2 Is the side with volume correct? The 10% part

73. No Subject

Ms.Sue, I just wanted to take a few moments to let you know that I recently completed my work in Early Child Ed. I want you to know that I truly do appreciate all the help you have given me,and let me say "thank you"for being patient with me while I was

asked by Ms.Sue-- this is for you!
74. Tom

A football is kicked at 15 m/s with an angle of 35 degrees with the ground. How long is it in the air? How far will it land? Can someone help plz... Thanks!

75. algebra 2

consecutive odd integer problem find two odd integers the sum of whose squares is 130. (sq)=squared let x= 1st odd int let x+2=2nd odd int (2x+2)(2x+2)=130 4x(sq) + 4x+ 4x +4=130 4x(sq) + 8x -126= 0 2(2x(sq)+4x-63)=0 My question: the two numbers to factor

76. Social Studies

Things we find in nature are ___________ features. (Ex. landforms, bodies of water, weather, plants, animals)

77. physics

An ideal gas is kept under constant pressure of 1 atm. If initial temperature is 301K and the volume increases by 10% what is the final temperature of the gas? T2=? V1/V2= T1/T2 V1/V2= (301K)/T2 .10/1= (301K)/T2 Is the side with volume correct? The 10%

78. english

who contributes the most to society and why?

What is the distance (in miles) from Ny to Europe? It doesn't matter what place. Just the distance in miles or anything else. PLEASE!

80. Environmental

I have to write a paper on an environmental problem and expand on a (or two) solution to the problem... any ideas? Anything specific would be great since I'm at a stand still...

81. U.s. HiStOrY

Where was the first permanent English settlement in the New World?

82. Chemistry

How many electrons in an atom can have n=3, ml=+1 and ms=+1/2

83. U.s. HiStOrY

Which New England settlement used the Mayflower Compact as its basis for self-government??

84. chemistry

what is the flame test for nickel

85. Social Studies

What are four ways that congress can check the power of the president?

86. rec and leisure

I need program trends for Youths in recreational programs? so far this is what i have... Program trends that are persistent with youths are it is hard to get them involved especially males. Most youths will only get involved if they have a friend or family

87. English

Identify the compound sentence. 1) Last summer, we decided to drive to the beach. 2) Because it had been sunny all week, we did not bring umbrellas. 3) The rain began to fall, but we did not want to leave. 4) While it rained on the beach, we swam in the

88. Math

Les Fleurs, a boutique in Paris, France, had the following accounts in its accounting records at December 31, 20X2 (amounts in Euros, denoted as "E") Purchases………………... E250,000 Freight In……………… E8,000 Sales discounts………….

89. french question

Does comment vas-tu? and comment allez vous? both mean how are you doing?

90. math

Using numbers,words or symbols,write a rule that could be used to find the total cost of any number of museum tickets. You may use n to represent the number of museum tickets bought.

91. physics

A block of wood weighs 40 N in air and 30 N in water. What is the buoyant force exerted by water on the block? B = -F_g = B-F_g =30-40 = - 10N Is this correct?

92. algebra

what is algebra? and you give me a example

93. Social Studies

Can you tell me who's whom.The who's are the Pharoh, High Priest, Scribe Samhut is Akham is Nephat is Zepssa is wife to the Pharaoh, her grandmother's brother, the High Priest, has no daughters, one son three grandsons.Only one grandsons(Samhut) is a

94. english

who contributes the most to society and why?

95. Calculus

Find the volume of the solid obtained by rotating the region enclosed by the graphs x=y^(3) and x= y^(1/3) about the y-axis over the interval [0,1].

96. math

Need help with fractions such as 4/5 = ? as a decimal

97. chemistry

a piece of silver cut in half,density stays the same.Why?

98. science

How does science work together to forecast hurricanes ?

99. lit

how is the concept of empathy illustrated and developed in Raymond Carver's "cathedral"

100. English

In conclusion, the novel creates an oppressive environment where the men in the asylum are ruled by the Nurse. She uses her powers to make the men fearful, passive and emasculated victims. The Nurse wants a society of order, conformity, discipline and

101. math

wich is bigger 3/5 or 9/100

102. Brochure

I can't find any other risks of volunteering other than: abuse and accidents at the work site... If anyone knows anything else... thanks! Also, if anyone knows where to find what kind of accidents occur.. Thanks!!! So MUCH!

103. Science

Hello...What is the function of the centrosome? I believe it has something to do with cell mitosis, but I'm not quite sure...Please and thank you.

104. scorpions

What are the kinds of scorpions that look the same but isn't?

105. math

8/9 x 1 1/5 x 10

106. History

How do U have to be to become President?

107. U.s. HiStOrY!!!!!!!!!!!!!!!

How many amendments compose the Bill of Rights?

108. Religion

Modern civilization has impacted the spiritual lives of the indigenous peoples you explored. Are indigenous religions still practiced today? If so, how have the practices changed over time?

109. Science

What vegetable names,other than Zucchini,contain the letter 'Z'?

110. maths

the equation of the circle is x^2-8x+y^2+4y+11=0 find any coordinates that intersect the line y=-x-1

111. MAths

Hi my question is if we have a cube that is 20cm cubed And 2 lenths representing 24 cm and 23 cm We want to find x which is the width how do we do that ?

112. Literature

How does "A Rose for Emily" demonstrate that the act of going to war ensured the demise of Southern Aristocracy? I noticed that she didn't have to pay taxes at first because the colonel knew she couldn't pay them. Are there other proofs?

113. English

Whcih one of the following sentences is puntuated correctly? 1) The sea calmed but not boats left shore. 2) The sea calmed, but no boats left shore. 3) The sea calmed; but no boats, left shore. 4) The sea, calmed, but no boats, left shore. #2 is the one I

114. Math help

Good Evening If i have a cylinder that has the volume of 141cm cubed. And the question is if one box has 98 of those cylinders. How much of those will you fit in , if you had 2000 boxes ?

115. science

What is some benefits of squeezing so much info into virtually every cell in the body?

116. math

how do u turn a friction into a precent

117. u.s. government

how did the Civil War Amendments have the opposite effect than what they were made to do? how did they make way for the Jim Crow laws?

118. Biology

List and briefly describe the 4 Laws directing Biodiversity?

119. lit

discuss how the methaphor of death operate in Chinua Achebe's "dead men's path" with specific reference to culture identity?

120. social studies

"Without our two great political parties cutting across economic and geographic interests, democracy as we know it could never have been made to function." The author of this statement probably meant to suggest that

121. English

In conclusion, the novel sets as an oppressive environment where the men in the asylum are ruled by the Nurse. She uses her powers to make the men fearful, passive and emasculated victims. The Nurse wants to accomplish a society of order, conformity,

122. chem

if S8 has a partial pressure of .25 atm an decomposes to 4S2, is it the same partial pressure? (In case this is relevant, temp is 1325K ata an initial pressure of 1.00 atm and both are gas)

123. science

why or how does a rope hold more weight vertically than horizontal?

124. English

Can you proofread my paragraph? ---- The Nurse forces the men to conform in order to give herself a sense of superiority. The Nurse obsesses on perfection to the point that humanity is cast aside. “[S]he dreams of there in the center of those wires is a

125. math

Find the arc length of y = ln(cos x) over x = [0, pi/4]