# Questions Asked onMarch 18, 2015

1. ## Physics

If the force of repulsion between two socks is .003 and they are 2 cm apart what is the charge on each sock

2. ## math

in a spin circle are numbers 10, 2, 4,6, 2, 8, what is the probability of spinning a 2 at first spin.

3. ## English

I need help with my essay for the book things fall apart The prompt is: what happens when different cultures collide. I don't know how to actually do an essay I need an attention grabber, connector, thesis so basically a ACT also like a melcon I don't know

4. ## math

Evaluate using L'Hopital Rule? lim as x approaches x from left (1-x)^(3/x)

5. ## Chemistry

How does table salt (NaCl) dissolve in water? A. The oxygen atoms in water molecules attract sodium ions. B. Each sodium ion is surrounded by chloride ions. C. Each NaCl molecule is surrounded by water molecules. D. Water molecules hydrogen bond with

6. ## chemistry

What would be the mass in grams of one million (1.0*10^6) chromium atoms?

7. ## Probability

This figure below describes the joint PDF of the random variables X and Y. These random variables take values in [0,2] and [0,1], respectively. At x=1, the value of the joint PDF is 1/2. Are X and Y independent? - unanswered Yes No Find fX(x). Express your

11. ## Philosophy

Does Rene Descartes provide a persuasive reply to the challenge of skepticism?

12. ## Physics

A weight lifter is bench-pressing a barbell whose weight is 710 N. He raises the barbell a distance of 0.65 m above his chest then he lowers it at 0.27 m. Determine the work done on the barbell by the weight lifter during:a.)the lifting phase and b.) the

13. ## Physics

A 120 kg crate on the flatbed of a truck that is moving with an acceleration of 1.5 m/s^2 along the positive x axis. The crate does not slip with respect to the truck undergoes a displacement whose magnitude is 43 m. What is the total work done on the

14. ## Physics

A 58 kg skier is coasting down a 250 slope. Near the top of the slope, her speed is 3.6 m/s. She accelerates down the slope because of the gravitational force, even though a kinetic frictional force of magnitude 71 N opposes her motion. Ignoring air

15. ## Physics

A car, starting from rest, accelerates in the positive x direction. It has a mass of 1.10 x 103 kg and maintains an acceleration of 4.6 m/s^2 for 5 s. Assume that a single horizontal force accelerates the vehicle. Determine the power generated by this

16. ## math

Let f(x) = −3x + 5. For what value of x does function f have the given value? f(x) = −1

17. ## English

The boy was asked to read the sentences on the page. He started to read the first sentence and then the next sentence...There was a pause...The teacher said " _______" 1. Go ahead. 2. Go on. 3. Keep on. 4. Keep on reading. (Can we use all the expressions

18. ## chemistry

Bacl2+h2so4 white coller way to ans

19. ## chemistry

1. Ideal gas particles: A. have no mutual attraction and no individual volume. B. have no mass or volume. C. have no odor and no color. D. have no density and do not form bonds. Is it A? 2. Why does the density of gas in a hot air balloon decrease as the

20. ## math

Limx-0 sinx/tanxsecx+tanx.sinx

21. ## Math

If m ≥ n > 1, what is the largest possible value of log base m (m/n) + log base n (n/m)?

22. ## Math

Show that log base b [(x + (sqrt x^2-5))/5] is equal to -log base b (x-(sqrt x^2-5))

23. ## math

a person's heart may beat at 75 beats per minute. how many beats would that translate into a day?

24. ## Math

y is directly proportional to the cube of x. If x is increased by 50% show that the percentage increase in y is 237.5%

25. ## maths

The difference between 2 positive numbers, x and y where x > y, is 7 and the sum of their squares is 137. By forming 2 equations in x and y, find the product of these 2 numbers.

26. ## Math

Solve the simultaneous equation 1/p minus 1/q = 3/2 1/p plus 1/q = 4

27. ## Mathematics

Solve the equation (3x-1)(x-5)=-11

28. ## physics

a =4.0 c point charge and a-4.0 point charge are placed as in figure .what is the potential difference va vb between two points

44. ## art

Which of the following painters was most closely associated with the Ashcan school?

45. ## physics

You have an RC circuit and you measure the "zero" voltage to actually be 2.385 [Volts]. The peak voltage is measured to be 8.262 [Volts]. At what voltage value will you look for t4 = time stamp for 15/16 total charge?

46. ## math

25 % of a class of 40 students are girls. When some new girls joined the class, the percentage of girls increased to 40 %. How many new girls are joined the class

47. ## english

“It is fifty-one years since we first met, and we have been busy through every one of them, stirring up the world to recognize the rights of women,” Susan B. Anthony wrote her friend Elizabeth Cady Stanton in 1902. The letter, in honor of Stanton’s

48. ## Health

For adults, which ranges below reflect an accurate BMI category? A. If your BMI is less than 18.5, it falls within the obese category B. If your BMI is 18.5-24.9, it falls within the normal or healthy weight category C. If your BMI is 25-29.9, it falls

49. ## EDUC2120

Treena is a personable student in Mr. Jordan’s math class. Mr. Jordan can see that Treena is popular with her peers. He regularly sees her conversing animatedly with her friends in the cafeteria and before and after school. She does well in class also.

50. ## Physics

Hello!I was wondering if anybody had the time to help me with this question. I am not sure what equation to use with three polarizing filters! I thought we use Malus' Law, but doesnt seem to work. Any help would be greatly appreciated!! The question:

What is satire's underlying goal? to sell newspapers to shock people to get people to think c Many young people today get their news from which of the following unlikely sources? comedy shows such as "The Daily Show" their friends video games B Which of

88. ## Cal state

A movie theatre has 30 rows. The first row has 26 seats and as you move to the back each additional row has one seat added. How many seats are in the theatre?

89. ## Chemistry

An unknown gaseous hydrocarbon contains 85.63 % carbon. If its density is 0.488 g/L at 0.355 atm and 100°C, what is the molecular formula of the gas? I can't figure this out. By assuming the total mass to be 100g, I get 85.63g C and 14.37g H which I then

90. ## math

How do you solve? what is the area if it is 32. times smaller that 3003.014cm?

91. ## Life orientation

Write a report. Evaluate one organization that you think is making a useful contribution to our country in terms of addressing human rights violation. Give at least 3 practical examples. Discuss in detail why you chose this organization.

92. ## Calculus AB: Area Between Curves

Hello! I'm having trouble understanding how I'm supposed to work out this problem. Any help would be appreciated! Find the area of the region bounded by the curve y = f(x) = x3 – 4x + 1 and the tangent line to the curve y = f(x) at (–1,4).

93. ## math

This is a continuous from my last question Let g be a function that is defined for all x, x ≠ 2, such that g(3) = 4 and the derivative of g is g′(x)=(x^2–16)/(x−2) with x ≠ 2. On what intervals is the graph of g concave down? Justify your answer.

94. ## physics

A taxi hurries for 1 hour 3 minutes wit a constant speed of 118km/hr and then for another 1 hour 9 minutes with a constant speed of 40km/hr. What is its average speed for the total trip?

95. ## MATH

How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? for ex. If I pick the equation y=2/3x+4 for the first equation. and for the second line , the slope -2/3x +4 ,

96. ## chemistry

The reaction below has an equilibrium constant of Kp=2.26×104 at 298 K. CO(g)+2H2(g)⇌CH3OH(g) Calculate Kp for the reaction below. 3CH3OH(g)⇌3CO(g)+6H2(g)

97. ## Chemistry1412

The reaction below has an equilibrium constant of Kp=2.26×104 at 298 K. CO(g)+2H2(g)⇌CH3OH(g) Calculate Kp for the reaction below. 3CH3OH(g)⇌3CO(g)+6H2(g)

98. ## probability

On any given day, mail gets delivered by either Alice or Bob. If Alice delivers it, which happens with probability 1/4, she does so at a time that is uniformly distributed between 9 and 11. If Bob delivers it, which happens with probability 3/4, he does so

Part A: Divide (16x^5y^4 + 6x^3y - 2x^2y - 24x^2y^4) by -2x^2y. Part B: How would your answer in Part A be affected if the x2 variable in the denominator was just an x? Part C: What is the degree and classification of the polynomial you got in Part A? Is

100. ## Chemistry

What is the molarity of an HNO3 solution if 24.1mL of a 0.250M Ba(OH)2 solution is needed to titrate a 15.0mL sample of the acid? Can you tell me the process to finding this answer?

101. ## chemistry

1. What is the cause of a gas sample exerting pressure on its surroundings, such as a container? A. The sum of the volumes of all the gas particles in the sample B. Chemical reactions with the container walls C. Collisions of particles of gas D. The weight

102. ## math

the perimeter of a paved area being built at a playground it's going to be 46 meters is the land and went are each a whole number of meters what should the length and width of the area be to cover the greatest possible area draw a picture and make an

103. ## Chemistry1412

Consider the following reaction: CO(g)+2H2(g)⇌CH3OH(g) An equilibrium mixture of this reaction at a certain temperature was found to have [CO]= 0.115M , [H2]= 0.110M , and [CH3OH]= 0.190M . What is the value of the equilibrium constant (Kc) at this

104. ## Probability

The random variables X and Y have a joint PDF of the form fX,Y(x,y)=c⋅exp{−12(4x2−8x+y2−6y+13)} E[X]= var(X)= E[Y]= var(Y)=

105. ## LA - 1 question

Read the following stage directions and dialogue from Billy Elliot: [Billy suddenly sees DAD and freezes. His reaction puzzles Mrs. Wilkinson for a second. The music comes to a standstill. Mrs. Wilkinson turns to see Dad.] DAD: You.Out.Now What do these

106. ## physics

A student pushes a coin off the edge of a counter with some horizontal velocity. At the instant the coin goes over the edge, a second student drops a second coin from countertop level so it falls vertically to the floor. Which coin hits the floor first?

A proportionate tax consumes a determinate apportionment of one’s monetary flow.

108. ## French, foreign language

Read each definition and write the appropriate word or expression in the space provided. 1. C'est un plat typiquement français. On les prépare avec du beurre et de l'ail. Ce sont un escargot . (incorrect) 4.On les utilise pour faire des omelettes. Ce

109. ## math

Given the proportion 3x+2y/7=2x+3y/8, determine the value of xy^2-x^2y/x^3+y^3 This is what I got so far... 3x+2y/7=2x+3y/8=k 3x+2y=7k 2x+3y=8k And that's where I'm stuck at solving this math question.

For questions 1, 2 identify each sentence as arithmetic, geometric both or neither. 1) 7, 9, 11, 13 ...... A) arithmetic B) geometric C) both D) neither (my answer) 2) 2, 1, 1/2, 1/4, .... A) arithmetic B) geometric C) both (my answer) D) neither

111. ## Career Explorations

Caroline is in JROTC (Junior Reserve Officers’ Training Corps), which is an extracurricular program that trains and prepares students for becoming officers in the armed forces. Since she wants to join the Army after high school, this extracurricular

112. ## algebra

What is the discriminant of the polynomial below? 4x2 + 4x + 1 A. 0 B. -4 C. -12 D. 32

113. ## science

Calculate the concentration of all species in a 0.145M solution of H2CO3

114. ## Phyisics

3. A small sphere whose mass is 8.00E-03 g. carries a charge of 7.00E-08 C. It hangs from a silk thread which makes an angle of 30 degrees with a large charged, nonconducting sheet. Calculate the surface charge density (in coulombs/meter^2) for the sheet.

115. ## Phyisics

1. Two concentric conducting spherical shells have radii of 0.126 m. and 0.225 m. The inner sphere bears a charge of -8.00E-08 C. An electron escapes from the inner sphere with negligible speed. Assuming that the region between the spheres is a vacuum,

116. ## 1

1. In The Diary of Anne Frank, Act I, what causes the Franks and the Van Daans to move into the rooms on the top floor of the warehouse? (1 point)

117. ## algebra

9.6 = [0.128]^2/[0.110][x]^3 solve for x

118. ## Math

The theater offers a yearly membership for which customers pay a fee of $50 after which they pay only$1 per movie Create an equation for the membership deal Use C for the cost in dollars and N for the number of movies rented

119. ## Algebra1414

9.6 = [0.134]^2/[0.110][x]^3

120. ## Ethics and Technology

Programming languages were developed in order to: A. make it possible to program computers in English. B. make programming faster and less error-prone. C. speed translations between America and the Soviet Union during the Cold War. D. improve the

121. ## english

five eassy paragraph about thejourney by mary oliver

122. ## science

Which of these compounds would you expect to have the highest melting point: C2H6,CL2,AsCL3, BaBr2? Explain your answer

123. ## Chemistry1412

T (K) [N2] [H2] [NH3] [Kc] 575 0.110M − 0.134M 9.6 Find [H2] at 575 K.

124. ## Ethics and Technology

1. The first electronic networking technology widely used in the United States was the: A. Internet. B. radio. C. telegraph. D. telephone. is it C

125. ## math

Solve for n: (n-2)!/(n-3)!=15 and (n-2)!/(n-1)=12

126. ## english

five paragraph eassy about the journey by mary oliver

127. ## math

the graph of y=f(x) is transformed into y=-f(1/3x+9)+8. a.Describe the transformations in correct sequence. b.Is there any other sequence of transformations that could produce the final graph? If so, describe all possible ones.

This question is based on a standard modeling problem in business. The unit cost of a item (or drink or chemical) affects how much of the thing is sold. The revenue is the amount of money raised from sales. Hence, raising price should drop sales, but that

129. ## math

How many different permutations can be created when anne, Becky,Carlo, dan and Esi line up to buy movie tickets, if Esi always stand behind becky?

130. ## Math

Solve these system of equations. Then, write the final answer in (x,y) form. 1.) x-y=7 3x+2y=6 2.) 2x-4y=3 -3x+5y=1

131. ## Math

Hi! I need help with this question. Thanks! Directions: Try to find the number of solutions for the following system of equations then determine if it is Dependent, Inconsistent or Consistent. -3x-2y=6 x=-2-2/3y

132. ## Ethics and Technology

Objectivism is based on the idea that: A. there are no universal moral principles. B. morality has an existence outside the human mind. C. morality and law are identical. D. there is no such thing as free will. is it B

133. ## math

How many 50 centimeter pieces of ribbon can Casey cut from a roll of 60 meters long?

134. ## Ethics and Technology

The divine command theory is an example of: A. relativism. B. objectivism. C. egoism. D. existentialism. is it A

What is the fomula to figure out the reasoning to this question? "Kurt cut pizzas into wedges measuring 40 degrees. If each person eats one piece of pizza, how many people could he feed with two whole pizzas?

136. ## Math

Write two mixed numbers with a sum of 3.

137. ## Writing

Which of the following are example of coordinate headings?

138. ## English

A big difference in the South is that people drink a lot of sweet tea and drink a soda called Rcola which is not found in the Midwest. Another common food is found in South is fried green tomatoes. One food that is found in the South is grit it is a dish

139. ## Math

What is the reference angle for θ = -195 degrees? Is it 75 degrees?

140. ## Algebra 2 (DIVIDEPOLYNOMIALS)

How do you divide this polynomial using long division? (6x^3-17x^2-104x-60) divide by (2x+5)

141. ## Math

The function h(t) = 2 + 50t -1.862t^2, where h(t) is the height in metres and t is the time in seconds, models the height of a golf ball above the planet Mercury's surface during its flight. A) What is the maximum height reached by the ball (i got 1165.8,

142. ## Math

7 7/8 + 2 11/12

143. ## Math

Is 2, 3, 5, 8, 12 arithmetic, geometric, neither, or both?

144. ## math

541,641,741.what is the next number.

145. ## Math

If you divide this mystery number by 4, add 8, and multiply by 3 you get 42. What is the mystery number?

146. ## Chemistry

A hot air balloon has a volume of 5.00x10^6 liters. Assuming a density of air of 1.293g/L at 25C and 1atm pressure, what temperature must the operator of the balloon achieve in order for the balloon to lift a 500.0kg payload? How do I set this up???????

what is the standard form of 213

148. ## CHEM

Mass percent is one way to represent solution concentrations, though not the only one. A common measure of solution concentration is Molarity; moles of solute per liter of solution. Calculate the molarity of vinegar in each sample that you titrated and

149. ## Science

Explain the process of filtering blood

150. ## Algebra

A stunt man drops from the top of a 50 foot elevator shaft. His height above ground is determined by the equation h=-16(t)(t)+50. At the moment the stunt man begins to drop, an elevator goes up so that its height above ground is determined by the equation

151. ## Math

Nat has 5 pieces of string. Each piece is 7/8 inch long. How many inches of string does Nat have?

152. ## Math

Q. On Friday night 2,950 people attended the rodeo, and 3,159 people attended on Saturday night. If the staudim seats 4,000 people, how many empty seats were there for two nights? - A. So do I add 3,159 + 2,950 = 6,109 and subtract 6,109 - 4,000 = 1,891?