# Questions Asked onOctober 2, 2012

1. ## Physics

A turbine is spinning at 3600rpm . Friction in the bearings is so low that it takes 11min to coast to a stop. How many revolutions does the turbine make while stopping?

2. ## Language Arts

Read the following passage from Harriet Tubman: Conductor on the Underground Railroad: She lifted the gun, aimed it at the despairing slave. She said, “Go on with us or die.” The husky, low-pitched voice was grim. What is the effect of Petry’s

3. ## physics

(a) One blade of a pair of scissors rotates clockwise in the xy plane. What is the direction of for the blade? into the xy plane out of the xy plane clockwise counterclockwise (b) What is the direction of if the magnitude of the angular velocity is

4. ## ENGLISH

Briefly describe Poe’s requirements for the short story genre.

5. ## chemistry

A piece of a newly synthesized material of mass 25.0 g at 80.0 ◦ C is placed in a calorimeter containing 100.0 g of water at 20.0 ◦ C. If the ﬁnal temperature of the system is 24.0 ◦ C, what is the speciﬁc heat capacity of this material?

6. ## chemistry

How much heat is required to heat 28 g of solid silver from 130 ◦ C to liquid silver at 961 ◦ C? The speciﬁc heat of solid silver is 0.235 J/g · ◦ C, and the heat of fusion of silver at its melting point of 961 ◦ C is 11.3 kJ/g. Answer in units

7. ## Physics

Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Assume the orbit to be circular and 160 km above the surface of the Moon, where the acceleration due to gravity is 1.42 m/s2. The radius of the Moon is 1.70

8. ## English 4

A recurring theme in literature is the transient nature of the world and life. Provide two ways in which this theme is expressed in Anglo-Saxon and medieval literature.

9. ## chemistry

Nitric acid reacts with silver metal: 4HNO3 + 3Ag -> NO + 2H2O + 3AgNO3. Calculate the number of grams of NO formed when 10.8 g of Ag reacts with 12.6 g HNO3

14. ## Math

Elizabeth visits her friend Andrew and then returns home by the same route. She always walks 2km/h when going uphill, 6km/h when going downhill and 3km/h when on level ground. If her total walking time is 6 hours, what is the total distance she walks in

15. ## math

Ted's patio is the shape of a right triangle. Tell how he should determine the area of the patio.

16. ## Physics

Stephanie serves a volleyball from a height of 0.85 m and gives it an initial velocity of +6.6 m/s straight up. How high will the volleyball go? The accel- eration of gravity is 9.81 m/s2. Answer in units of m

17. ## Math

A base ball diamond is square. The distance from home plate to first base is 90 feet. In feet, what is the distance from home plate to second base? (1 point) 127 81 19 13

18. ## chemistry

what is the lewis dot structure for BN

19. ## Finance

Keenan Co. is expected to maintain a constant 3.8 percent growth rate in its dividends indefinitely. If the company has a dividend yield of 5.6 percent, what is the required return on the company’s stock?

20. ## College Chemistry

how do i calculate the moles of Na2CO3 present in the original 25.00mL aliquot of carbonate solution?? the tared mass of Na2CO3 is 1.5179g

84. ## astronomy

What is the wavelength of a radio photon from an "AM" radio station that broadcasts at 740 kilohertz?

85. ## Math

A boy can rake a yard in 2.5 hours, his sister can rake it in 4 hours. How long will it take both of them to rake it?

86. ## floral

which one of the following is a special need of snapdragons? A. a warm, sunny growing spot B. a penny added to the water C. Plenty of water D. Extra flower food I'm stuck between A & C

87. ## science

The earth has a magnetic north and south. How does this help up with evidence to support the theory of Continental Drift?

88. ## math

Before she went to the grocery store, Jana had 4 tomatoes in her refrigerator. For the next 3 weeks she buys n number of tomatoes each week. Which algebraic expression represents how many tomatoes she has at the end of three weeks? A. 4 − 3n B. 4 + 3n C.

89. ## Math

Which statement illustrates the additive identity? a)3+0=3 b)3-3=0 c)3*0=0 d)3*1=3

90. ## physics

A truck loaded with cannonball watermelons stops suddenly to avoid running over the edge of a washed-out bridge (see figure). The quick stop causes a number of melons to fly off the truck. One melon rolls over the edge with an initial speed vi = 12.3 m/s

91. ## physics

While sitting on a frozen pond, a 35kg child throws a 0.5kg ball horizontally at a velocity of +6m/s. Calculate the resulting velocity of the child across the ice.Suppose the child throws the ball upward instead, at a 25o angle above horizontal. a)

92. ## math

The volume of a rectangular box is (x^3+6x^2+11x+6) cm^3. The box is (x+3) cm long and (x+2) cm wide . How high is the box

93. ## statistics

a manufacturer of bicycle tire has developed a new system which he claims an average life span of 5 years. with the standard deviation of 1.2 years a dealer product claims that the average life span of 150 samples is only 3.5 years. test the difference of

94. ## physics

A 3.00-kg block starts from rest at the top of a 27.5° incline and slides 2.00 m down the incline in 1.20 s. (a) Find the acceleration of the block. m/s2 (b) Find the coefficient of kinetic friction between the block and the incline. (c) Find the

95. ## Ap world history, 10th grade

What was the most important "stepchild" of the Byzantine civilization? Poland, the middle east, Italy, or russia

96. ## American Government

The term "public opinion" is frequently used in reference to all of American society. This perspective is? A. accurate, since Americans are one people and indivisible B. less accurate than view of public opinion based on majority, since the political

97. ## ashford university

i need ant 101 week2 quiz

98. ## physics

Your groceries are in a bag with paper handles. The handles will tear off if a force greater than 58.4 N is applied to them. What is the greatest mass of groceries that can be lifted safely with this bag, given that the bag is raised (a) with constant

99. ## Math

A boy can rake a yard in 2.5 hours, his sister can rake it in 4 hours. How long will it take both of them to rake it?

100. ## grammar

how to do the change boring verbs and ordinary adjectives

101. ## AP Physics

A bullet of mass 0.0022 kg moving at 568 m/s impacts a large ﬁxed block of wood and travels 5.2 cm before coming to rest. Assuming that the deceleration of the bullet is constant, ﬁnd the force exerted by the wood on the bullet. Answer in units of kN

102. ## Math

Perry draws two planes, K and L, as shown. Which statement is true? Plane K and plane L contain four lines because a theorem states that a line extends on both sides of a plane. Plane K and plane L intersect along a line because a postulate states that if

129. ## physics

A 1,080-N crate is being pushed across a level floor at a constant speed by a force of 290 N at an angle of 20.0° below the horizontal, as shown in the figure (a) below. (a) What is the coefficient of kinetic friction between the crate and the floor? (b)

130. ## science

A top fuel dragster can accelerate from 0-330mph in the time it takes to go 1000ft. assume that the acceleration is constant. what is the acceleration

131. ## math

alana has 5 base ten blocks.She has at least one of each type of block.The value of her blocks is greater than 140.What blocks could she have?

132. ## Eglish

Thanks Ms. Sue

133. ## calculus

y=x^3-3x. Fill out the following table and then make a rough sketch of the graph. I can make the sketch just having trouble understanding what is wanted. y=0 when y'=0 when Relative Max(s) Relative Min(s) y'>0 on the interval(s) y'0 on interval(s) ???? y'

134. ## THE AGE OF DISCOVERY TO THE AMERICAN EXPERIMENT

The Articles of Confederation called for which of the following? A. A single legislative body B. A chief executive C. The right of the legislature to assess taxes D. The Northwest Ordinance 2. Jacques Cartier sailed to the New World in 1534 in search of A.

California has more national parks than many other states. The sum of the two digits in its number of parks is 6. Both digits are even. If California has fewer than 30 national parks, how many does it have?

136. ## Math

A drawer has 10 pairs of gloves. If I grab 5 gloves at random, what is the probability that I pick at least one matched pair? What is the probability that I pick at least one right glove and one left glove?

137. ## MATH

In a parking lot, there are 2 cars for every 3 trucks. What fraction of the vehicles are cars? Is it 1/50th?

138. ## Math

Can someone help me to find two numbers the exact answer is between: 6 x 7,381

139. ## math

Mary wants to put all of her stamps on a single page. she has one page with 3 rows of 8 stamps, another page woth 4 rows of 5 stamps, and a third page with 6 rows of 4 stamps. her new single page has 7 rows and can fit 10 stamps across. can she fit all her

140. ## Chemistry

In acidic solution, VO_2^+1 is reduced to VO^2+, whereas Mn^2+ is oxidized to MnO_4^-1 . Given the partial equation VO_2^+1? +Mn^2+? ---> VO^2+ ? + MnO_4^-1? What must the coefficients be so that the electrons are balanced?

141. ## Chemistry

What are washers, nuts, and bolts made of? Aluminum, Zinc, Iron, or Nickel?

142. ## math

Felipe has saved $625. He is starting a part-time job that pays him$150 a week, and he plans to save all of the money he earns. Which algebraic expression represents Felipe's total savings after x weeks? A.625x + 125 B.775x C.150x + 625 D.125x - 650

143. ## math

mr. and mrs. blank sold their house for $200000 and needed to hire an attorney to handle the closing procedures. attorney mr. gable charges a flat rate of$2500. attorney ms. mandel charges 1 1/2% of the cost of the house. which attorney would be cheaper

144. ## math

Jame shas an assigned seat for his flight to Denver. The seats on the plane are numbered 1-49. Jame's seat number is an odd number greater than 10 that is factor of 100, What is his seat number for the flight?

145. ## science

make a graphic organizer to show ways how ways to cause physical changes to a piece of paper

146. ## Chemistry

Consider a cell at 255 K: line notation Pb-Pb2+(1.27M)--Fe3+(2.29M)-Fe Given the standard reduction potentials calculate the cell potential after the reaction operated long enough for Fe3+ to have changed by 1.432M? I know that Fe3+ is the cathode which

A speedboat starts from rest and accelerates at +1.90m/s^2 for 7.00 s. At the end of this time, the boat continues for an additional 6.00 s with an acceleration of +0.529m/s^2. Following this, the boat accelerates at -1.47m/s^2 for 8.00 s. **What is the

148. ## chemistry

A 2.30 gram sample of iron combines with chlorine gas to form an iron chloride with the weight of 7.25 grams. what is the weight of chlorine added?

149. ## Math

a group of 11 students bought either chocolate chip cookies for forty cents each or brownies for fifty cents. The total amount they spend was five dollars and ten cents.How many chocolate chip cookies and brownies did they buy?

150. ## chemistry

what is the reason hydrogen have -1 oxidation number?

151. ## Math

If the quadratic equation x^2 + bx +c=0 has exactly one solution r, then find b/c.

152. ## Uni Physics

Total mechanical energy of a flying rubber ball is 1692 J. It has a mass of 0.86 kg, and it is 8 m above the ground. Find the speed of the ball.

153. ## math

in isosceles angle ABC, the length of leg AB is 2x+10 and the length of the leg BC is 4x - 18. Find the length of each leg.

154. ## Math

Six people are going to sit in a row on a bench. Romeo wasnts to sit next to Juliet. Caesar does not want to sit next to Brutus. Homer and Pierre can sit anywhere. In how many ways can these people be seated?

1. Identify the publisher and the number of pages for Ellison's 2002 edition of Invisible Man.

156. ## English III: Tone analysis

"many a night, just at midnight, when all the world slept, it [a groan similar to that uttered by the old man] has WELLED up from my own bosom, deepening, with its dreadful echo, the terrors that distracted me. " Poe The type of comparison the author uses

157. ## Maths

The ratio of the number of cheesecakes to the number of mango cakes was 3:2. After Baker Lam sold 144 cheesecakes, the ratio became 3:5. A) How many cheesecakes did Baker Lam bake at first? B)Baker Lam decided to deliver the remaining cakes to 4 charity

158. ## chemistry

You are titrating an unknown weak acid you hope to identify. Your titrant is a 0.0935 mol/L NaOH solution, and the titration requires 39.9 mL to reach the equivalence point. How many moles of acid were in your sample?

159. ## Algebra II

Factor: 18x^2-33x+9

160. ## English

Dividing the pie into, Felicia took the least and gave me the larger portion. Is least correct or should it be lesser? It doesn"t sound right with lesser.

161. ## The digits

0-9 are the building blocks for all numbers.what this means.

162. ## math

The baked goods are set up on a table that is 3 times as long as it is wide. The length is 96 inches. How wide is the table?

264. ## bio- botony

The water pressure that pushes water and sugar from sugar source to sugar sink is referred to as _____. The answer is bluk flow but idk why. Why isnt i translocation or transpiration?

265. ## statistics

For each of the following samples that were given an experimental treatment, test whether they represent populations that score significantly higher than the general population: (a) a smaple of 100 with a mean of 82, (b) a sample of 10 with a mean of 84.

266. ## literature

Question from the story Metamorphosis. Describe the mood of the story and how it makes you feel. How do you think Kafka wants you to feel about Gregor Samsa?

267. ## algebra

how do i do this problem? Had 16 now have 20

268. ## English

In persuasive writing, it is important to...?

269. ## Biology/Science

1. Describe a SPECIFIC EXAMPLE of how increased temperature can change cellular processes. 2. What FACTORS (can be properties of animals or the environment) determine how wide a range of temperatures a species can tolerate? Be as comprehensive as you can.

270. ## Math

what is 18 percent of 240?

271. ## math

How does place value help represent the value of numbers

272. ## Economics

There are two types of consumers of potatoes: 10 are rich and 50 are poor. Every rich consumer has a demand of 0 for a price of $500/ton; and his/her demand decreases by 1 ton each time the price increases by$1/ton. Every poor consumer has a demand of 0

273. ## Uni Physics

A 67 kg astronaut (Jeff), an 88 kg astronaut (Brett) and a 17 kg rock are tied together by a light rope during a space walk. The distance between Jeff and the rock is 5.0 m, the distance between Brett and the rock is 2.0 m. Find the position of the centre

274. ## TRIG

find the degree measure of a central angle subtended by an arc of 8.00cm in a circle with circumference 20.0cm

275. ## math

if cosx = 12/13 and x is a quadrant I angle. Find the value of sinx

276. ## math

Dress rehearsal of the play was attended by 142 people. Opening night was attened by 238 people. How many people saw the two shows in all?

277. ## math

what is multiplication sentence in exponent and base

278. ## Physical science

I need help on how to set up a formula for 27c and 750 mm hg,a sample of hydrogen occupies 5.00 l how much space will it occupy at stp

279. ## Chemistry

From my previous question about partial pressures in the equation 2H2(g)+O2(g)>2H2O(g), how can I use PV=nRT to find the number of moles in each of the reactants when I am not given the temperature, or the volume of the individual gases?

280. ## space

What causes the rings around the equators of Saturn and jupiter

281. ## pprecalc

the function is one of the form y=g(x) +cosbx. find two linear functions y1 and y2 related to g such that y1 is less than or equal to y is less than or equal to y2. a. y= 2x + cos x b. y= 1-0.5x+ cos2x

282. ## chemistry

which of the ff are gases at 50 degrees celcius bromine, mercury, propane, radon, silver

283. ## Statistics - math

Each consumer has a 25% chance of preferring your product over the competitor's product. If we question 15 customers, what is the probability that at least 3 will prefer your product?

284. ## Grammar

Is this sentence correct? The shampoo was concentrated, therefore I only used a little bit.

285. ## English 8R - It Happened in The City

impressive jungle of concrete?????????????????????????????????? I need a definition!!!!

286. ## science

A ship sails 100mi northeast, then 50mi due south. How far is it from the starting point?

jk

288. ## organic chemistry 1

If the two parts of mixture have a 1:1 ratio by mass what's the largest amt each component could be?