
physics
A block of mass 2.5 kg is pushed up against the vertical wall by a force of 60 N acting at 47◦ to the ceiling. The coefficient of kinetic friction between the block and the wall is 0.67. The acceleration of gravity is 9.8 m/s2 . Find the work done by
asked by Kaylee on June 27, 2014 
Math check my answers
1. Evaluate. 8d  10 for d = 4 A.32 B.22*** C.26 D.46 2. write an algebraic expression for the sum of 3 coins and c coins. A.c + 3*** B.c/3 C.3c D.c3 3. Find the solution of the equation from the given numbers. x  2 =16: 14, 18, 21, or 12 A.12 B.14
asked by Sid.V on December 1, 2016 
Physics
A box is being pulled along a rough horizontal surface by a rope which has a tension of 10N at an angle of 60 degrees with the horizontal. If the box moves with constant velocity find the frictional force and the normal reaction force given the weight of
asked by Arusham on May 1, 2017 
Math
math A particle A is projected vertically upwards from a point O on horizontal ground with speed 20ms. At the same instant a particle B is released from rest at point P which is 30 m above the ground. The point P Is not directly above O ignore air
asked by Mech on January 19, 2017 
biology
A farmer sprays insecticide on his crops and notices that the insect pest problem disappears. A year later he tries the same insecticide only to find that he did not achieve the same result. The insect population shows resistance to the insecticide. This
asked by Anonymous on May 13, 2014 
physics
The 235kg cart in the figure starts from rest and rolls with negligible friction. It is pulled by three ropes as shown. It moves 600. m horizontally. Find the final velocity of the cart. F1 = 500N at 0 degree F2 = 500N at 40.1 degree F3 = 400N at 30
asked by ashyLerry on March 26, 2011 
English
I have to write an essay on refugees and I was thinking about writing about identity. We read a text about refugees that get alienated in class and I also found a text about labelling refugees. Other than that I can't find anything on the internet so I
asked by Juli on October 1, 2017 
Math
two functions are defined as follows: f(x)=3/x+1 and g(x)=x6 a) Write the equations of the vertical and horizonal asymptotes of f. b) Determine the coordinates of the points where f(x) = g(x) Thank you so much for huge help Is ti correct please? answer
asked by Lucas on May 3, 2014 
Physics
A converging lens (f = 27.5 cm) is used to project an image of an object onto a screen. The object and the screen are 113 cm apart, and between them the lens can be placed at either of two locations. Find the two object distances. (Enter your answers from
asked by Kate on April 8, 2015 
math
hi, could someone please help me solve this problem, i know the answer is 24, i just need to know how to solve it. a "lucky dollar" is one of nine symbols on each reel of a slot machine with three reels. a player receives one of the various payouts
asked by kelly on February 19, 2009 
math probability question
If a player rolls 2 dice and gets a sum of 3 or 11 he collects $15. if he gets a sum of 12 he gets $3. the cost to play the game is $2. let x be the net money gained by the player. a. construct the prob distribution of the random variable x b. find the
asked by lily on October 14, 2015 
SCI 275
I can not find anything these: any opposition to water pollution. proposes other water or land problems that might occur from water pollution challenges,limitations, or implications of the plan. provides how the plan affects the community in terms of jobs,
asked by dawn on December 2, 2007 
calculus
The point P(4, −2)lies on the curve y = 2/(3 − x). (a) If Q is the point(x, 2/(3 − x)),use your calculator to find the slope mPQ of the secant line PQ (correct to six decimal places) for the following values of x. 1) 3.9 mPQ= 2) 3.99 mPQ= 3)3.999
asked by student on August 28, 2012 
Physics
Two blocks each of mass m = 4.10 kg are fastened to the top of an elevator as in the figure below. (a) If the elevator accelerates upward at 1.6 m/s2, find the tensions T1 and T2 in the upper and lower strings. T1 ? N T2 ? N (b) If the strings can
asked by Diana on October 20, 2010 
geometry
At the marine park, one of the aquariums is shaped like a rectangular prism. The inside dimensions are 22 feet long, 9 feet wide, and 7 feet high to the water line. 9 ft 22 ft 7 ft Which equation could be used to find the volume of water that would have to
asked by Anonymous on March 2, 2010 
science
Hey, holidays is over. Time to get back to work. whats the answer to this one find the concentration of hcl in g hcl/kg Naoh + Hcl> b +c 2.991 mol 25.00mL Density=0.952g/ml also Hcl=36.46g/mol I got approx 4.58 x 10^3 g/mol of the top of my head
asked by Jim_R on September 1, 2009 
Math: Triand Test
Evelyn cut a wedge of cheese into the shape of a triangular prism like the one shown below. The shaded part represents one of the bases of the prism. 4 5 and 6 A formula for the volume of a triangular prism is V = Bh . Which equation can be used to ﬁnd B
asked by Amélie on February 25, 2019 
biology
The plants are heterozygous at the locus for stem height. T is dominant to t. T confers tall plant height. When you count the progeny, you find that there are 188 tall plants and 62 short plants. Does this approximate the 3:1 phenotypic ratio caused by
asked by Bailey on February 25, 2018 
Repost Calculus; someone please help
Please help out. Thank you. A right triangle has one leg on the xaxis. The vertex at the right end of that leg is at the point (3,0). The other vertex touches the graph os y=e^x. the entire triangle is to lie in the first quadrant. Find the maximum area
asked by Amanda E. on February 9, 2011 
Algebra
Joleen is a sales associate in a clothing store. Each week she earns $250 plus a commission equal to 3% of her sales. This week her goal is to earn no less than $460. Write and solve an inequality to find the dollar amount of the sales she must have to
asked by Kevin on June 3, 2010 
chemistry
a. How many atoms of hydrogen are in 25.0 g of ammonia (NH3)? Use the format 6.02E+23 for 6.02 x 10^23 b. How many atoms of nitrogen are in the same amount of ammonia I know to find the number of atoms in a gram of a sample you must multiply by 6.02*10^23.
asked by kellie on September 20, 2010 
Algebra
Two cars start at the same point at Alexandria, verginia, and travel Ans 50mph, 55mph 2 opposite directions. One car travels 5 miles per hour faster than the other car. After 4 hours, the two cars are 420 miles apart. Find the speed of each car.
asked by Lora on March 28, 2013 
Statistics
Length of stay in a chronic disease hospital of a certain patient is 60 days with a standard deviation of 15. If it is reasonable to warrant an approximately normal distribution. Of lengths of stay find the probability that a randomly selected patient from
asked by Varonica b. Miller on April 9, 2013 
math/physics
Help! I have no idea how to do this. The earth's orbit is nearly circular with a radius R=93x10^6 miles (the eccentricity is e=.017). Find the rate at which the earth's radial vector sweeps out area in units of ft^2/s. What is the magnitude of the vector
asked by Mischa on January 17, 2008 
Algebra
Well someone please help me with this problem!!!!!!!!!!!! From a base elevation of 8200ft. a mountain peak in colorado rises to a summit elevation of 14701ft.over a horizontal distance of 15838 ft. Find the grade of the peak. The grade of the peak is what
asked by PJ on October 25, 2008 
Very quick question biology
I'm working on a biology project where I must make a molecule of glucose. I have finished my molecule but I want something in the middle of it which is the "centrepiece ". Can anyone give me any ideas of some things glucose is found in (food) in which I
asked by Nicki on February 28, 2016 
math 156
A company will need $35000 in 6 years for a new addition. To meet this goal the company deposits money in an account today that pays 4% annual interest compounded quarterly. Find the amount that should be invested to total $35000 in 6 years. The company
asked by hope on October 3, 2014 
math
A new apartment building was sold for $125000 4 years after it was purchased. The original owners calculated that the building appreciated $3000 per year while they owned it. Find a linear function that describes the appreciation of the building, if x is a
asked by Anonymous on January 23, 2015 
calc
The point P(4, −2)lies on the curve y = 2/(3 − x). (a) If Q is the point(x, 2/(3 − x)),use your calculator to find the slope mPQ of the secant line PQ (correct to six decimal places) for the following values of x. 1) 3.9 mPQ= 2) 3.99 mPQ= 3)3.999
asked by someone please help me with this!!!! on August 28, 2012 
stats
a study of the amount of time it takes a mechanic to rebuild the transmission of a 1992 chevrolet cavalier shows that the mean is 8.4 hours and the standard deviation is 1.8 hours. if 40 mechanics are randomly selected, find the probability that their mean
asked by shasha on May 25, 2010 
a
Victoria wants to plant a vegetable garden in the shape of a square. She has a space allocated in her backyard that will accommodate 175 square feet. Using the drawing below, use the FOIL method to find the polynomial that represents the area of the
asked by WillyB on March 12, 2014 
math
a student is painting one wall of a room. a square window is located in the middle of the wall to be painted. the window measures 3 feet on one side. the area of the wall, not including the window, is 80ft squared. find the height of the wall to the
asked by jaz on January 10, 2012 
Algebra 2 help...
A half life of a certain radioactive is 36 days. An initial amount of the material has a mass of 487 kg. Write an exponential function that models the decay of this material. Find how much radioactive material remains after 5 days. Round your answer to the
asked by Maria on January 10, 2014 
Finance
Bill Seeker bought a boat costing $8500 with $1500 down, the balance plus addon interest to be paid in 36 monthly installments. If the addon interest rate was 18% find A. the total interest charged. b. the monthly payment, to the nearest dollar
asked by Brian on October 9, 2011 
Chem 2
A 0.15 M solution of butanoic acid, C3H7COOH, has a pH of 2.8210. Find the Ka of butanoic acid. Call buanoic acid HB. Then the ionization is HB ==> H^+ + B^ To start (HB) = 0.15 (H^+) = 0 and (B^) = 0 After ionization, (H^+) = x but that is found by
asked by Jess on July 19, 2007 
maths
Given the demand function:p(x)=0.5x+500 where p is price in RM per unit and x is the quantity demanded and the marginal costfunction C'(x) = 0.5480, and the fixed cost =RM 900, find a) the level of production that will maximise profit b) the maximum
asked by Clara on January 4, 2015 
Math
Need help with this. A concrete path of width 1m and thickness 10cm is to be placed around you pool. Find the number of cubic meters of ready mixed concrete required to lay the path. Additional Info: pool area is 25.75 without concrete around it. I have
asked by Dean on March 8, 2015 
Math
You roll a number cube numbered from 1 to 6. You then spin a spinner with 6 sections each with a different color. The spinner has the colors white, green, red, pink, blue, and navy. Find the probability. Assume that the spinner is separated into equal
asked by Lilly on June 6, 2014 
waves andoscillation
a 0.60kg block attached to a spring with a force constant 130n/m. is free to move on a frictionless, horizental surfce . The block is realesed from rest when the spring is stretched 0.13m. at the instant the block is relesed find force and accelration??/
asked by wasif on November 30, 2015 
statistics
focus groups of 11 ppl are randomly selected to discuss products of the yummy company .it is determined that the mean number (per group)Who recognize the yummy brand name is 7.8,and the deviation is 0.97.would it be unusual to select 11 people and find
asked by AILY on December 5, 2009 
Math
There are 35 marbels in a bag: 9 blue marbels, 8 green marbels, 4 red marbels, 8 white marbels, and 6 yellow marbels. Find P(red). Write the probability as a fraction in simplest form, a decimal, and a percent. A. 4\31,0.129,12.9% B. 4\35,0.114,11.4% C.
asked by Kanani on April 7, 2015 
Math
Still need help with this one: Find the work done in pumping the water over the rim of a tank that is 40 feet long and has a semicircular end of radius 10 feet if the tank is filled to a depth of 4 feet. I've set up an integral that is: 62.4 ∫ [10,4]
asked by Anonymous on December 8, 2016 
physics
A projectile is launched from and returns to ground level, as the figure shows. There is no air resistance. The horizontal range of the projectile is measured to be R= 166 m, and the horizontal component of the launch velocity is v0x = 26.0 m/s. Find the
asked by chris on December 16, 2015 
URGENT  history
Heya The Cartoon on Getty Images, Cosy Communist circa 1940. I'm trying to find where it was originally published and who originally drew it so that I can put that in my research journal. We are graded on our research journal and it documents like all our
asked by Ella on May 10, 2011 
physics
A 4.1 kg object hangs at one end of a rope that is attached to a support on a railroad beoxcar. When the car accelerates to the right,the rope makes an angle of 37 degrees with the vertical. The acceleration of gravity is 9.8 m/s^2. Find the acceleratino
asked by alexa on July 12, 2011 
PHYSICS
At an amusement park, a swimmer uses a water slide to enter the main pool. The swimmer slides without friction, and descends through a vertical height of 2.98m. Find the swimmer's speed at the bottom of the slide if she starts with an initial speed of
asked by RoCu on October 15, 2012 
algebra
1. If the sides of a square are lengthened by 7cm, the area becomes 256cm^2. Find the length of a side of the original square. 2. What does it mean to refer to a 20in TV set or a 25in TV set? Such units refer to the diagonal of the screen. A 35 in TV set
asked by Pinky P on January 3, 2012 
Math
Satelite orbits vary in their distance from the earth. Orbits can be anywhere from 252,800 to 35,200,000 yards. What is the greatest distance between satelite orbits? Round to the nearest ten thousand to estimate. For problem 3, find the exact difference
asked by Mitchell on September 5, 2013 
Physics
A stuntman is being pulled along a rough road at a constant velocity by a cable attached to a moving truck. The cable is parallel to the ground. The mass of the stuntman is 110 kg, and the coefficient of kinetic friction between the road and him is 0.825.
asked by Kelly on March 20, 2013 
Ms Sue I need you MATH!
Need help with this. A concrete path of width 1m and thickness 10cm is to be placed around you pool. Find the number of cubic meters of ready mixed concrete required to lay the path. Additional Info: pool area is 25.75 without concrete around it. I have
asked by Kaelan on March 8, 2015 
HISTORY
I cannot find information on the emergence of mass society, mass media and how celebrity influenced change? Changes in the 1920's create a clash of values btw. modernists and traditionalists? how traditionalists fight back against the age of modernism and
asked by ggift on January 25, 2010 
chemistry
If a 8.6195 g of a mixture which contains (20.0 % of CuSO4.XH2O and 80.0 % of sand) was heated in a crucible then cooled in the desiccator the mass obtained was 7.9976 g. a Find X the number of water of hydration in the Hydrate (CuSO4.XH2O) (MM of CuSO4 =
asked by Janaiby on July 15, 2013 
statistics
Membership in Mensa requires an IQ score above 131.5. Nine candidates take an IQ test and their summary scores indicate that their mean IQ score is 133. IQ scores are normally distributed and have a mean of 100 and a standard deviation of 15. If nine
asked by Ms.L on November 6, 2014 
algebra
. Victoria wants to plant a vegetable garden in the shape of a square. She has a space allocated in her backyard that will accommodate 175 square feet. Using the drawing below, use the FOIL method to find the polynomial that represents the area of the
asked by billy on March 9, 2014 
physics
A 1000 kg boat is traveling at 90 km/h when its engine is shut off. The magnitude of the kinetic frictional force f_k between the boat and water is proportional to the speed v of the boat: f_k = 70v, where v is in meters per second and f_k is in newtons.
asked by Kelsey on August 30, 2010 
Mth 156
A company will need $35000 in 6 years for a new addition. To meet this goal the company deposits money in an account today that pays 6% annual interest compounded quarterly. Find the amount that should be invested to total $35000 in 6 years. The company
asked by Kimberly on August 7, 2015 
trig
A radio transmission tower is 471.0 feet tall. A guy wire is to be attached 6 feet from the top and is to make an angle of 23.1 degrees with the ground? How many feet long should the guy wire be? I am confused on how to find the equation for this problem
asked by Coaco on June 16, 2015 
history
In states that allowed women to vote prior to 1920 were the women voters allowed to vote in presidental (national) elections or only local ones? http://en.wikipedia.org/wiki/Women's_suffrage Very interesting  read it, and you'll find your answers. =)
asked by Susan on April 30, 2007 
Physics
A wire with a circular cross section and a resistance R is lengthened to 3.77 times its original length by pulling it through a small hole. After being pulled through the hole, the total volume of the wire is unchanged. Find the resistance of the wire
asked by Aj on October 31, 2012 
Trigonometry
A ladder that is 15 feet long is placed so that it reaches from level ground to the top of a vertical wall that is 13 feet high A. Use the law of sines to find the angle that the ladder makes with the ground to the nearest hundredth B. Is more than one
asked by Melissa on March 27, 2012 
physics
Driving in your car with a constant speed of v= 22 m/s, you encounter a bump in the road that has a circular crosssection, as indicated in the figure (Figure 1) . Part A If the radius of curvature of the bump is 52 m, find the apparent weight of a 66kg
asked by alex on March 28, 2017 
Physics
A stuntman is being pulled along a rough road at a constant velocity by a cable attached to a moving truck. The cable is parallel to the ground. The mass of the stuntman is 109 kg, and the coefficient of kinetic friction between the road and him is 0.621.
asked by BrookeNeed on October 5, 2016 
math
Find the sum of 8x cube y +2xy cube 18and 12x cube y +7xy cube and subtract it from the sum of 19x cube y 17xy cube +12and 21+5xy cube .? PLEASE SOLVE IT ?????
asked by Anonymous on June 4, 2017 
History
1. How did new England's textile industry affect both children and women? a) It allowed them to earn a living wage until the age of 25. b) It gave them opportunities not available on family farms. c) It permitted them to complete their schooling. d) It
asked by emma on March 24, 2015 
English
People count on the media to find out information around the world. They watch event happened in different place, weather, sport ect. What if the source is not accurate what Eggers demonstrates that the media is misleading, thus, the reader sees that the
asked by Anonymous on February 20, 2012 
literature
What is the implied lesson the speaker learns from the little girl in Wordsworth's "We are Seven"? A. Poor children live a hard, painful life. B. Because they are uneducated, country people don't understand how the world really works. C. By simplifying his
asked by dontdelay on January 15, 2011 
rotational mechanics
a thin rod of length 2R and mass M is standing vertically on a perfectly smooth floor. the state of equilibrium in which the rod at rest is unstable and the rod falls. FInd the trajectories that the various points of rod describe and velocity with which
asked by pramod on March 31, 2010 
physics
The terminal speed of a sky diver is 157 km/h in the spreadeagle position and 330 km/h in the nosedive position. Assuming that the diver's drag coefficient C does not change from one position to the other, find the ratio of the effective crosssectional
asked by kory on February 15, 2013 
MATH
The value V of a machine t years after it is purchased is inversely proportional to the square root of t+2. The initial value of the machine is $10,000. Find the rate of depreciation when t=5 . Round your answer to two decimal places. A. 381.80 PER YEAR
asked by Roger on September 19, 2011 
math
what formulas do i use for this: Investments Suppose $10,000 is invested at an annual rate of 5% for 10 years. Find the future value if interest is compounded as follows. A) Annually B) Quarterly C) Monthly D)Daily (365 days) A) 10000*(1+.05)^10 B)
asked by student on June 19, 2007 
Math...Algebra :S
Hi, okay um. I'm trying to get his math question (Algebra :o) and i'm not quite sure what i'm doingbut everything i do, i get the wrong answer. The Question is 2m+n M= 2/5 and n= 1/2 (Fractions) Everytime i do the question, i get 9/10 as a answer...but
asked by Dawn on April 1, 2008 
PHYSICS/MATH
A mass and spring are arranged on a horizontal, frictionless table. The spring constant is k = 450 N/m, and the mass is 5.4 kg. The block is pushed against the spring so that the spring is compressed an amount 0.35 m, and then it is released. Find the
asked by HP on April 12, 2013 
math
put these polar equations into cartesians form: 1) theta=135 degrees 2)rcostheta=1 for #1 is it like: (1,1)? and for #2, X=1, but i cant find y, any help is appreciated The slope should be sin(theta)/cos(theta) and the intercept is the origin.
asked by hmmmm on September 25, 2006 
Chemistry
Physical properties are those that you can detect with your senses: sight, hearing, touch, taste, smell. With just a glass of water, you can explore physical properties of water. Activity: Investigating Water glass of drinking water,paper
asked by TOM on November 29, 2008 
Math Word Problems
Hi, I am having some trouble with some problems, can you please help. thanxs!!! 1. A car rental agency charges $250 per week plus $0.25 per mile to rent a car. How many miles can you travel in one week for $300? Would the equation look like: 300= 250x +
asked by Vanessa on August 18, 2007 
CULTURAL DIVERSITY
I need help in revising this than you. I basically didn't post all the answer properly. This group is the same as a subordinate group. A defining feature of this group is that its members have less control or power over their lives than do members of
asked by Rimmy on April 3, 2009 
Physics
Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25 degree west of north and the resultant of these two pulls is 350 netwon directly northward. Use vector components to find the
asked by Amrit on November 4, 2016 
Compare and Contrast
Hi! I need help with this assignment. I have 2 books to compare and contrast. Full Cicada Moon by Marilyn Hilton and Same But Different by Holly Robinson Peete, Ryan Elizabeth Peete, and RJ Peete. It seems like I don't have any differences and alikes in
asked by Sam on August 14, 2017 
Physics
Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25 degree west of north and the resultant of these two pulls is 350 netwon directly northward. Use vector components to find the
asked by Amrit on November 2, 2016 
Chemistry
Hi there. I'm doing a paper on Biology (yes I know, will explain the chem link in a sec) and in it am trying to find the best pH level for Slaters, using limewater and filtered water to change concentrations. I have done experiments and using bunch of
asked by JB on May 7, 2008 
Physics
A 40.0kg child is in a swing that is attached to ropes 2.00m long. Find the gravitational potential energy associated with the child relative to the child's lowest position under the following conditions: a) When the ropes are horizontal b) When the ropes
asked by Robert on February 5, 2008 
American Government
1) The Executive Office of the president is commonly called "the president's right arm" because it hosts agencies composed of which of the following? A) congressional leaders from the majority party B) influential members of various political parties C)
asked by Juliet on November 15, 2016 
PLEASE HELP!
A jar contains 24 blue marbles, 16 red marbles, and 14 white marbles. Find the simplified ratio of total marbles to red marbles.
asked by Bell on January 22, 2013 
Calculus
sec theta 5 need to find cos theta cot theta cot (90theta) sin theta not sure what to do completely confused on this stuff
asked by Cindy on February 18, 2013 
i lied. very quick calc problem.
f(x) = abs(sin(x)), pi less than or equal to x less than or equal to pi g(x) = x^2 let H(x) = g(f(x)) i got that H(x) would equal sin^2(x). THIS IS WHERE I AM STUCK! find the domain of H. do i still need to account for "pi less than or equal to x less
asked by jane on February 20, 2009 
Physics
A 26.0 g object moving to the right at 17.0 cm/s overtakes and collides elastically with a 10.0 g object moving in the same direction at 15.0 cm/s. Find the velocity of each object after the collision. a) 26.0 g object b) 10.0 g object
asked by Daisy on July 16, 2010 
Maths
A woman is six times as old as her daughter.seven years ago,if the sum of their ages was 49.Find the age of the woman A.9 years B.30 years C.54 years D.45 years?
asked by Robotic on August 8, 2019 
Physics
n the figure take q1 = 22uC and q2 = 20u. The force on q_1 points in the  x direction, What is the magnitude of the force on q_1? q3 = 20uC. I don't know where to start, can someone help me? Responses Physics  bobpursley, Thursday, August 13, 2009 at
asked by Adam R on August 15, 2009 
AED / ASAP PLEASE
Imagine that you teach in a large, linguistically diverse school district where nearly 20 different languages are spoken. How might this degree of language diversity impact your classroom, your school, and your district? How should a student's language
asked by troyer0269 on February 2, 2009 
literature
Can someone help me in scansion of the poem "the poplar field" by William Cowper? need help to find base meter, scheme, stanza forms if any, and the metrical peculiarities such as endstopped lines, runon lines, elision, pause, feminine ending, masculine
asked by anna on January 15, 2014 
Physics
A child pushes tangentially on a small hand driven merry go round. She is able to accelerate it from rest to 18 rpm in 10 s. Modeling the merry go round as a uniform disk of radius 2.0 m and mass 800 kg, find the torque required to produce that
asked by Anonymous on July 28, 2015 
chemistry (Pls Bob check for me)
0.5g of fuming h2s04 oleum is diluted with water. This solution is completely neutralized by 26.7ml of 0.4N naoh. Find the percentage of free so3 in the sample My calculation h2s04 = 98g/mol s03 = 80g/mol 98/2 = 49 80/2 = 40 26.7ml x 0.4n = 10.68ml 
asked by Fai on March 31, 2013 
physics
Starting from rest, a student pulls a (34) kg box a distance of (13.50) m across the floor using a (161) N force applied at 35.0 degrees above horizontal. The coefficient of kinetic friction is 0.220 between the floor and the box. Find the work done by the
asked by l on February 21, 2017 
English
This paper draws on three criticisms of both the novel and the romantic literature used to conclude that yes, this is a romance novel because the novel consists of a deep, romantic love between the two main characters, a central love story and an
asked by Rebecca on November 9, 2010 
earthquake engineering
Hey everybody! I have a question I would like to share and ask you. We have a soil layer with medium gravel which has a depth of 38 m. We want to build a multi storey framed building safely with a fundamental period of 1.7 sec.Do you think it will be safe?
asked by lina on March 20, 2015 
PHYSICS! need help!
A child pushes tangentially on a small hand driven merry go round. She is able to accelerate it from rest to 20 rpm in 10 s. Modeling the merry go round as a uniform disk of radius 3.5 m and mass 800 kg, find the torque required to produce that
asked by Randy on December 5, 2017 
Physics
A child pushes tangentially on a small hand driven merry go round. She is able to accelerate it from rest to 18 rpm in 10 s. Modeling the merry go round as a uniform disk of radius 2.5 m and mass 780 kg, find the torque required to produce that
asked by Anonymous on July 28, 2015 
Math HELP!!!!!
One hundred people are selected at random and tested for colorblindness to determine whether gender and colorblindness are independent. The following counts were observed. Colorblind Not Colorblind Total Male 7 53 60 Female 1 39 40 Total 8 92 100 Find the
asked by angela on June 15, 2016 
Math 120
The table shows the distribution, by age, of a random sample of 3990 moviegoers ages 1274. If one moviegoer is randomly selected from this population, find the probability, expressed as a simplified fraction, that the moviegoer is not in
asked by Jessica on March 26, 2017 
Physics
A man drags a 180 lb crate across a floor by pulling on a rope inclined at 20.0 degrees with the horizontal. If the coefficient of static friction is 0.560 , and the coefficient of kinetic friction is 0.350, find the acceleration (in feet/second^2) of the
asked by Bryce on October 9, 2014
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