# ASHLEY

Popular questions and responses by ASHLEY-
## physics

A 4.170 kg block of wood rests on a steel desk. The coefficient of static friction between the block and the desk is μs = 0.505 and the coefficient of kinetic friction is μk = 0.255. At time t = 0, a force F = 12.7 N is applied horizontally to the block.

*asked on October 25, 2012* -
## Physics

A beam of electrons traveling with a speed of 3.00 x 107 m/s enters a uniform, downward electric field of magnitude 1.17 x 104 N/C between the deflection plates of an oscilloscope (the figure below ). The initial velocity of the electrons is perpendicular

*asked on January 31, 2012* -
## Spanish

I wanted to know if i used the right verbs Complete the sentences with the correct forms of conseguir, ir, pensar, querer, or suponer. 1. Nosotros (blank) de excursión a las montañas, Toño. 2. ¡Yo (blank) que vas a dormir todo el fin de semana! 3. No,

*asked on October 29, 2013* -
## chemistry

Radio waves travel at the speed of light which is 3.00 x 108 m/s. How many minutes does it take for a radio message to reach Earth from Saturn if Saturn is 7.9 x 108 km from Earth?

*asked on September 12, 2010* -
## Physics

A small box is held in place against a rough vertical wall by someone pushing on it with a force directed upward at 28degrees above the horizontal. The coefficients of static and kinetic friction between the box and wall are 0.40 and 0.30, respectively.

*asked on September 25, 2009* -
## physics

A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 30° above the horizontal. If the mass of the box and the books is 40.0 kg, what is the acceleration of the box? Square root of three meters per second

*asked on February 5, 2014* -
## Physics

A ventilation fan has blades 0.25 m long rotating at 20 rpm. What is the centripetal acceleration of a point on the outer tip of a blade?

*asked on June 8, 2010* -
## Math

A standard deck of playing cards is shuffled and three people each choose a card. Find the probability that the first two cards chosen are clubs and the third card is black if the cards are chosen with replacement, and if the cards are chosen without

*asked on July 14, 2014* -
## Accounting

Classify the following adjusting entries as involving prepaid expenses (PE), unearned revenues (UR), accrued expenses (AE), or accrued revenues (AR). a. To record revenue earned that was previously received as cash in advance. b. To record annual

*asked on July 26, 2009* -
## thesis statement

I need to come up with a good thesis statement for Amy Tan "Mother Tongue" and Gloria Anzaldua "how to tame a wild tongue". I have to do a point by point comparison essay & I can't really come up with a theses :( Help?!

*asked on January 24, 2012* -
## Bus. Math

What is the effective interest rate of an 8% 13-week Treasury bill? Assume it is a $10,000 Treasury bill, and round your answer to the nearest hundredth percent. A. 8.20% B. 9.00% C. 8.17% D. 8.16% Answer: D??

*asked on April 4, 2016* -
## Physics

A woman who weighs 500N stands on an 8.0-m-long board that weighs 100N. The board is supported at each end. The support force at the right end is 3 times the support force at the left end. How far from the right end is the woman standing?

*asked on June 8, 2010* -
## Math - Please Help Me!

How many ways can an IRS auditor select 3 of 11 tax returns for an audit? There are 8 members on a board of directors. If they must form a subcommittee of 3 members, how many different subcommittees are possible? License plates are made using 3 letters

*asked on December 5, 2009* -
## Algebra

Bill can mow the lawn in 2 hours, and his younger brother Tom can mow it in 3 hours. If both brothers mow the lawn together, how many hours will it take them? i got that i would take one hour and 12 minutes

*asked on September 23, 2017* -
## Physics!!! :)

A student of mass 78 kg wants to walk beyond the edge of a cliff on a heavy beam of mass 180 kg and length 10 m. The beam is not attached to the cliff in any way, it simply lays on the horizontal surface of the clifftop, with one end sticking out beyond

*asked on January 5, 2010* -
## Physics

A soccer ball is kicked with a speed of 9.95m/s at an angle of 35.0∘ above the horizontal.If the ball lands at the same level from which it was kicked, how long was it in the air?

*asked on June 4, 2014* -
## Physics... URGENT !!!!

A 66.7-kN car is travelling at 66.5 mph when the driver decides to exit the freeway by going up a ramp. After coasting 418 m along the exit ramp the car\'s speed is 28.9 mph, and it is h = 13.1 m above the freeway. What is the magnitude of the average drag

*asked on November 6, 2012* -
## Geometry

in triaangle ABC, AB=20 cm, AC=15 cm the length of the altitude AN is 12 cm prove that ABC is a right triangle so far i got that angle ANC is 90 degrees by definition on altitude i got really confused after so can you show me how to answer the question and

*asked on September 13, 2017* -
## Math

From a boat on the lake, the angle of elevation to the top of a cliff is 26°35'. If the base of the cliff is 85 feet from the boat, how high is the cliff (to the nearest foot)? A. 56 feet B. 43 feet C. 53 feet D. 46 feet I HAVE BEEN WORKING ON THIS

*asked on October 23, 2012* -
## Physics

A fish tank has dimensions 46 cm wide by 1.0 m long by 0.70 m high. If the filter should process all the water in the tank once every 3.0 h, what should the flow speed be in the 3.0-cm-diameter input tube for the filter? I tried using Q=v/t and Q=vA...

*asked on December 6, 2015* -
## Chemistry

Consider the reaction 3Fe(s) + 4H2O(g) ¨ 4H2(g) + Fe3O4(s). If the volume of the container is reduced, 1. more Fe(s) is produced. 2. no change occurs. 3. more H2O(g) is produced. 4. more H2(g) is produced. 5. the equilibrium constant increases.

*asked on February 27, 2013* -
## Physics

Problem: A person has a reasonable chance of surviving an automobile crash if the deceleration is no more than 30 "g's. Part A: Calculate the magnitude of the force on a 71-kg person accelerating at this rate. Answer=> F= 2.09x10^4 N Part B: What distance

*asked on December 15, 2016* -
## Spanish

I need help to revise these sentences, thanks Form complete sentences using the verbs and nouns provided. Add any other necessary words. 1. María Elena / mostrar / fotos / a sus amigas 2.Martín y su hermano / empezar / lecciones de natación / martes 3.

*asked on October 29, 2013* -
## Physics

Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is 1.70 105 Pa and the pipe radius is 2.50 cm. At the higher point located at y = 2.50 m, the pressure is 1.30 105 Pa and the pipe

*asked on November 9, 2012* -
## Math - Proofs and Logic

Can someone explain me why the truth table of p-->q, given that p and q are any two propositions, does not agree with the truth values of the direct proof of the following example? Example : Prove that if x is an even integer, then x^2 is also an even

*asked on June 12, 2020* -
## Life Orientation

1: Define inhumane farming methods 2: Give at least three examples of inhumane farming methods and motivate why you regard them as inhumane 3: Suggest and motivate at least four ways by which these farming methods could be made humane

*asked on August 16, 2016* -
## physics

Starting from rest, a 75 kg skier slides down a 17.0° slope. If the coefficient of kinetic friction between the skis and snow is 0.120 and it takes 16.9 s to get to the bottom, how long is the ski trail? (Use g = 9.8 m/s2.)

*asked on October 30, 2012* -
## chemistry

Which of the following can be classified as a pure compound? Choose one answer. a. iodine, I2 b. sugar, C12H22O11 c. mercury, Hg d. alcohol in water, C2H5OH in H2O e. carbon, C

*asked on August 23, 2011* -
## Chemistry 140A

A gas cylinder containing 6.38 mol of neon has a pressure of 491 mm Hg at 295 K. If 3.22 mol of helium is added to this cylinder, at constant temperature and volume, what will be the pressure in the cylinder?

*asked on March 26, 2013* -
## History

How did the Gulf of Tonkin Resolution affect the Vietnam War? 1.The resolution established a demilitarized zone at the 17th parallel. 2.North Vietnamese leaders agreed to discuss ending the Vietnamese War. 3.The United States became fully engaged in

*asked on December 5, 2019* -
## Trig

Find the approximate value of cot θ, given that csc θequals=3.5891420 and θ is in quadrant I.

*asked on January 26, 2017* -
## Math

Can someone explain me why the truth table of p-->q, given that p and q are any two propositions, does not agree with the truth values of the direct proof of the following? I know that the general truth table of p-->q takes following form : p , q , p-->q

*asked on June 11, 2020* -
## Science

Why does the moon appear in the daytime?

*asked on June 10, 2020* -
## math

It takes one machine 25 minutes to pick a bale of cotton and another machine 30 minutes to compete the same job. If both machines are used, how long will it take them to pick a bale of cotton?

*asked on October 22, 2017* -
## Geometry

Two straight lengths of wire are placed on the ground, forming vertical angles. If the measure of one angles formed is 72 degrees, what are the measures of the other three angles. Explain your answer. My answer-- Vertical angles are congruent and if the

*asked on December 8, 2015* -
## General Chemistry I

When a 0.432g sample of a mixture of volatile hydrocarbons is burned in a bomb calorimeter with heat capacity of 3046 J/C, the temperature rises by 7.82C. How much energy (in KJ) is released during combustion. **I got that answered** 3046x7.82C=23819.72J

*asked on October 31, 2012* -
## Calculus

f(theta)= 4sec(theta)+ 2tan(theta), 0 less than theta less than 2pi. find all critical numbers

*asked on October 15, 2012* -
## Research

I'm a first year undergraduate at my university. My university is providing opportunities for students to conduct small research projects on of an area of our choice forming groups of 3-4 students. These projects are funded under a special project and each

*asked on June 14, 2020* -
## SS

Which reason best explains the motivation for American expansionism?

*asked on August 19, 2016* -
## Social Studies

What effects did the arrival of Europeans have on native Americans? A the arrival had little effect on native Americans. B Conquest and disease brought by Europeans changed the native american way of life forever C Native Americans and newly arrived

*asked on December 1, 2015* -
## Physics

A 0.280 kg croquet ball makes an elastic head-on collision with a second ball initially at rest. The second ball moves off with half the original speed of the first ball. (a) What is the mass of the second ball? (b) What fraction of the original kinetic

*asked on November 11, 2009* -
## mathematics

How many times GREATER is the 2 in the thousands place than the 2 in the hundreds place in the the number 402,255?

*asked on June 10, 2020* -
## Physics (Help Plz)

Ilya and Anya each can run at a speed of 8.00 mph and walk at a speed of 3.50 mph . They set off together on a route of length 5.00 miles . Anya walks half of the distance and runs the other half, while Ilya walks half of the time and runs the other half.

*asked on September 9, 2016* -
## Spanish

Can someone review my answers please 1. Alfredo dice que el viejo auto de Marisol todavía__ (ser/estar) seguro. Marisol piensa que quiere un auto nuevo pero no___ (ser/estar) segura. 2. Marta _____ (ser/estar) aburrida de pasar seis horas en la

*asked on November 12, 2013* -
## Chemistry

Consider the following thermochemical equation for the combustion of acetone (C3H6O), the main ingredient in nail polish remover: C3C6O + 4 O2 --> 3 CO2 + 3H2O DELTA Hrxm= -1790kJ If a bottle of nail polish remover contains 183 mL of acetone, how much heat

*asked on March 19, 2012* -
## Chemistry

A 0.75 L bottle is cleaned, dried, and closed in a room where the air is 20°C and 42% relative humidity (that is, the water vapor in the air is 0.42 of the equilibrium vapor pressure at 20°C). The bottle is brought outside and stored at 0.0°C. (See

*asked on January 26, 2011* -
## Statistics

Astronomers treat the number of stars in a given volume of space as a Poisson random variable. The density in the Milky Way Galaxy in the vicinity of our solar system is one star per 16 cubic light years. (a) What is the probability of three or more stars

*asked on February 20, 2014* -
## Chemistry 2

How many grams of nickel metal are plated out when a constant current of 15.0 A is passed through aqueous NICl2 for 60.0 minutes. Show all work. Please help!

*asked on December 4, 2012* -
## science

Explain why a bullet with a mass of 15 grams and a velocity of 400 m/s has more momentum than you at rest. Calculate the momentum for both.

*asked on September 28, 2010* -
## engineering

evaluate each of the following and express with SI units having an appropriate prefix: (1) (50mN)(6GN) (2) (400mm) (0.6MN)^2 (3) 45 MN^3/900Gg

*asked on September 3, 2008* -
## math

One printing press can print 5,000 advertising cards in 12 seconds. Another printing press can print the same number of cards in 7 1 2 seconds. If both presses are used together to print the 5,000 cards, how many seconds will it take them? same with this

*asked on September 27, 2017* -
## Chemistry

Write the net ionic equation for the precipitation of zinc carbonate from aqueous solution:

*asked on July 3, 2017* -
## chemistry

A 50.00-mL sample of groundwater is titrated with 0.0900 M EDTA. Assume that Ca2 accounts for all of the hardness in the groundwater. If 11.40 mL of EDTA is required to titrate the 50.00-mL sample, what is the hardness of the groundwater in molarity and in

*asked on April 4, 2013* -
## physics

A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 12 m/s, skates by with the puck. After 2.0 s, the first player makes up his mind to chase his opponent. If he accelerates uniformly at 4.0

*asked on September 15, 2011* -
## physics

I really need help on D part of the following problem: A clever engineer designs a "sprong" that obeys the force law F subscript e = -q(x - x subscript e)^3, where x subscript e is the equilibrium position of the end of the sprong and q is the sprong

*asked on December 1, 2009* -
## Physics

Starting from rest, a wheel undergoes constant angular acceleration for a period of time T. At what time after the start of rotation does the wheel reach an angular speed equal to its average angular speed for this interval?

*asked on June 8, 2010* -
## Math

S equals square root of 30 times D times f times n end root Where: S = speed in miles per hour 30 = a constant value used in the equation D = length of the skid marks in feet f = drag factor for the road surface n = braking efficiency as a percent If a

*asked on December 2, 2017* -
## spanish 102

¿Se peinaron las chicas antes de dormir? Sí, las chicas se peinaron antes de dormir. ¿Te cepillaste los dientes después de comer? ¿Se maquilla Julia antes de salir a bailar? ¿Se duchan ustedes antes de nadar en la piscina?

*asked on February 3, 2013* -
## Chemistry

I am completing my lab and cannot figure this out. I need someone to go over it and make sure I am right because I can't figure out why my empirical formula does not match the molecular formula. #7 is the one I am really having a problem with, but here is

*asked on July 28, 2010* -
## Chemistry

Butyric acid (HC4H7O2) is a weak acid with the stench of rancid butter 1.) write the equation for the dissociation of HC4H7O2 in water 2.)the pH of .5 M HC4H7O2 is 2.56 calculate Ka of butyric acid 3.) Write the equation for the hydrolysis of C4H7O2- 4.)

*asked on July 30, 2013* -
## Trig!

a) The annual inflation rate is 3.5% per year. If a movie ticket costs $7.50, find a formula for p, the price of the tickets t years from today, assuming that movie tickets keep up with inflation. b) According to your formula, how much will movie tickets

*asked on January 15, 2013* -
## Calculus

A solid is formed by adjoining two hemispheres to the ends of a right circular cylinder. The total volume of the solid is 2 cubic centimeters. Find the radius of the cylinder that produces the minimum surface area. (Round your answer to three decimal

*asked on November 7, 2012* -
## Physics

A 190-kg merry-go-round in the shape of a uniform, solid, horizontal disk of radius 1.50 m is set in motion by wrapping a rope about the rim of the disk and pulling on the rope. What constant force would have to be exerted on the rope to bring the

*asked on November 1, 2012* -
## Chemistry Help! Thank you :)

Assuming the final solution will be diluted to 1.00 , how much more should you add to achieve the desired pH? Information: Imagine that you are in chemistry lab and need to make 1.00 L of a solution with a pH of 2.80. You have in front of you: 100 ml of

*asked on March 11, 2012* -
## 7th grade math

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

*asked on March 18, 2015* -
## statistics

4. A college student is interested in whether there is a difference between male and female students in the amount of time spent studying each week. The student gathers information from a random sample of male and female students on campus. Amount of time

*asked on October 1, 2012* -
## Chemistry

When 1.5 grams of magnesium burns, how many grams of magnesium oxide will be formed? a) Write a balanced chemical equation for the above reaction. b) Show by unit conversion (show conversion factors, ie. 2 g H20 x 1 mole H2O/18 g H2O x ...... x ...... =

*asked on June 15, 2012* -
## Pre Cal

which of the following best describes the behavior of thre function f(x)=(x^2-2x)/(x^2-4) at the values not in its domain? a) one vertical asymptote, no removable discontinuities b) 2 vertical asymptotes c) two removable discontinuities d) one removable

*asked on July 24, 2011* -
## Chemistry

Oxalic acid, found in the leaves of rhubarb and other plants, is a diprotic acid. H2C2O4 + H2O ↔ H3O+ + HC2O4- Ka1= ? HC2O4- + H2O ↔ H3O+ + C2O42- Ka2 = ? An aqueous solution that is 1.05 M H2C2O4 has pH = 0.67. The free oxalate ion concentration in

*asked on November 15, 2016* -
## Art Help plzs

which word means to influence someone in a positive and exciting manner?

*asked on August 14, 2016* -
## english

1. Choose the answer that displays the correct spelling of the plural form of the words in parentheses. How many (praying mantis) will we have to import to fight the (grasshopper)? 2. Choose the answer that displays the correct spelling of the plural form

*asked on July 5, 2013* -
## physics

Two wooden crates with masses are as shown are tied together by a horizontal cord. Another cord is tied to the first crate and it is pulled with a force of 199N at a angle of 20.0 degrees. Each crate has a coefficient of kinetic friction of 0.55 . Find the

*asked on October 27, 2011* -
## algebra

write and solve an inequality. on a trip from virginia to florida, the sampson family wants to travel at least 420 miles in 8 hours. what must be their average rate of speed?

*asked on April 21, 2010* -
## English

My phone is dead because I forgot to plug it in last night. Complex sentence The lead in my pencil broke, but i can use this pen. Compound sentence You need to take a shower before you go to bed tonight. Complex Sentence Could someone tell me if I have

*asked on March 7, 2019* -
## math

Jose is wrapping a stack of 100 coins in a paper holder. Each coin is 18 inch thick and has a diameter of 1 inch. How many square inches of paper will Jose need to cover the stack of coins? Use 3.14 for π. Enter your answer in the box.

*asked on May 26, 2017* -
## Physics

Two pellets, each with a charge of 1 microcoulomb, are located 3 cm apart. What is the electric force between them?

*asked on April 27, 2015* -
## Chemistry

Consider the following reaction: CO(g)+2H2(g)⇌CH3OH(g) Kp=2.26×104 at 25 ∘C. Calculate ΔGrxn for the reaction at 25 ∘C under each of the following conditions. A) Standard Conditions B) at equilibrium C)PCH3OH= 1.3atm ; PCO=PH2= 1.2×10−2atm

*asked on April 22, 2015* -
## Set Theory: Sideways U with a line under it

I know the sideways U means "is a subset of" and if there is a line under it, it means "is equal to" I have two sets: {-3,0,3} _____ {-3,-1,1,3} choose the correct symbol a. sideways U with line under it and slash through it b. sideways U with line under

*asked on July 6, 2014* -
## math

Compute the number of vinyl tiles, measuring 10 in. each side, needed to tile a kitchen measuring 20ft. by 16ft. _____tiles

*asked on October 23, 2012* -
## calculus

write equation of line that passes through the point 1)parallel to the given line 2)perpendicular to the given line pt (6,2) line -9x+9y=144 a)para -9x+9y=-72 perp -9x-9y=-36 b)para -9x-9y=-36 perp -9x-9y=-72 c)para 9x+9y=-36 perp 9x-9y=-72 d)para

*asked on February 17, 2010* -
## Math Word Problem

There are 10 members on a board of directors. If they must elect a chairperson, a secretary, and a treasurer, how many different slates of candidates are possible?

*asked on December 5, 2009* -
## physics

As a hiker in Glacier National Park, you are looking for a way to keep the bears from getting at your supply of food. You find a campground that is near an outcropping of ice from one of the glaciers. Part of the ice outcropping forms a 55.5° slope up to

*asked on September 26, 2017* -
## Math

A 6-inch pizza costs $3.50. A 12-inch pizza costs $11. How much less is the area of the 6-inch pizza than the area of the 12-inch pizza? Express your answer to the nearest hundreth.

*asked on April 20, 2016* -
## STATISTICS

Find the approximate 84th percentile of the pig pregnancy length distribution

*asked on June 2, 2015* -
## physics

For which of the following motions of an object must the acceleration always be zero? I. Any motion in a straight line II. Any free fall motion III. Any motion in a circle it can be more than one :P

*asked on February 4, 2014* -
## rational and irrational

is 0.3 pi rational,67/79 , 75 pi,0.3 pi,13 pi

*asked on January 9, 2014* -
## Physics Please Help ASAP

Identify the unknown particles X and X' in the following nuclear reactions. (In parts (a) and (b), enter only the missing product or reactant.) A) X + 4over2 HE -> 24over12 Mg+1over0 n B) 235over92U+1over0 n -> 90over38Sr+X+2and 1over0 n

*asked on June 8, 2012* -
## Chemistry

The resolution limit of a microscope is roughly equal to the wavelength of light used in producing the image. Electron microscopes use an electron beam (in place of photons) to produce much higher resolution images, about 0.16 nm in modern instruments.

*asked on March 30, 2012* -
## Math Word Problem

How many ways can 8 people line up for play tickets?

*asked on December 5, 2009* -
## chemistry

Is citric acid covalent or ionic?

*asked on January 19, 2009* -
## algebra

If v1,...,v4 are in R^4 and v3 is not a linear combination of v1, v2, v4 then {v1, v2, v3, v4] is linearly independent. Is this true or false? Why? If v1,...,v4 are in R^4 and v3 is not a linear combination of v1, v2, v4 then {v1, v2, v3, v4] is linearly

*asked on May 20, 2007* -
## math

What are two decimals whose product is close to 10?

*asked on March 6, 2018* -
## Math check?

What is the zero of the function? f(x)=x2−x−6x2−8x+15 Enter your answer in the box. -2

*asked on May 4, 2017* -
## financial accounting

The Skyline Motel opened for business on May 1, 2015. Its trial balance before adjustment on May 31 is as follows. SKYLINE MOTEL Trial Balance May 31, 2015 Account Number Debit Credit 101 Cash $ 3,537 126 Supplies 2,051 130 Prepaid Insurance 2,304 140 Land

*asked on April 26, 2017* -
## Math

Consider the graph of the parabola f(x)equals=x squaredx2. For xgreater than>0 and hgreater than>0, the secant line through (x,f(x)) and (xplus+h,f(x+h)) always has a greater slope than the tangent line at (x,f(x)). Choose the correct

*asked on September 10, 2016* -
## Statistics

In advance of the 1936 Presidential Elections, a magazine titled Literary Digest released the results of an opinion poll predicting that the republican candidate Alf Landon would win by a large margin. The magazine send post cards to approximately

*asked on August 28, 2015* -
## lit

What I wanted to do was to finish my work.

*asked on January 9, 2013* -
## chemistry

for the reaction 3C2H2=> C6H6 at 25 C, the standard enthalpy change is -631 KJ and the standard entropy change is -430 J/K. calculate the standard free energy change at 25 C. show all work!

*asked on December 4, 2012* -
## trig

It is 4.7km from Lighthouse A to Port B. The bearing of the port from the lighthouse is N73E. A ship has sailed due west from the port and its bearing from the lighthouse is N31E. How far has the ship sailed from the port?

*asked on November 18, 2012* -
## College Physics

Vector subtraction (F1 - F2) is a special case of vector addition, since F1- F2 = F1 + (-F2). Use the data (magnitude and direction) of F1 and F2 obtained in measurement 1 to find out the magnitude and direction of the resultant vector of F1 - F2. The data

*asked on September 26, 2012*