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Questions Asked on November 27, 2010

a ball moves with a constant speed of 4 m/s around a circle of radius 0.25 m. what is the period of the motion?
1. 3 answers
2. asked by nikkboo
3. 6,995 views
One end of a thin rod is attached to a pivot, about which it can rotate without friction. Air resistance is absent. The rod has
1. 2 answers
2. asked by roni
3. 5,121 views
An oceanographer measured a set of sea waves during a storm and modelled the vertical displacement of waves in meters using the
1. 2 answers
2. asked by Farah
3. 3,828 views
A ceiling fan is turned on and a net torque of 1.6 N·m is applied to the blades. The blades have a total moment of inertia of
1. 2 answers
2. asked by yoni
3. 3,052 views
A barbell is mounted on a nearly frictionless axle through its center. The low-mass rod has a length d = 0.27 m, and each ball
1. 1 answer
2. asked by Adam
3. 2,783 views
the pressure of a mixture of nitrogen,carbon dioxide and oxygen is 150 kPa.Wat is the partial pressure of oxygen if the partial
1. 1 answer
2. asked by january
3. 2,399 views
You are borrowing $90,000.00 at an annual rate of 5% for 20 years .What is the total amount you will pay ?
1. 1 answer
2. asked by Anonymous
3. 2,376 views
A quarterback throws the football to a stationary receiver who is 22.7 m down the field.The football is thrown at an initial
1. 2 answers
2. asked by jay
3. 2,283 views
A carpeted living room and dining room area measures 32 ft by 10 ft. Mark decides to install wood flooring in the 12 ft by 10 ft
1. 1 answer
2. asked by Anonymous
3. 2,005 views
The hypotenuse of,c of right triangle ABC is 7.0 m long. A trigonometric ratio for angle A is given for four different
1. 2 answers
2. asked by Emily
3. 1,949 views
The following isotopes (listed with their half-lives) have been used in the medical and biological sciences. Arrange these
1. 3 answers
2. asked by Jane
3. 1,875 views
A sledge loaded with bricks has a total mass of 18.0 kg nd is plled at constant speed of a rope incllined at 20 degres above the
1. 1 answer
2. asked by dom
3. 1,869 views
A baseball catcher puts on an exhibition by catching a 0.15-kg ball dropped from a helicopter at a height of 101 m. What is the
1. 2 answers
2. asked by Matthew
3. 1,764 views
Calculate te calue of Ksp for Ca(NO3)2 using the data below.Ba(aq) delta G0f= -561 kJ/mol NO3 (aq) delta G0f= -109 kJ/mol BaNO3
1. 7 answers
2. asked by Jeffery
3. 1,577 views
SAT scores are normally distributed with a mean of 1518 and a standard deviation of 325. What scores correspond to P20 and P65?
1. 2 answers
2. asked by Jacob
3. 1,539 views
One of the Echo satellites consisted of an inflated spherical aluminum balloon 30 m in diameter and of mass 20 kg. Suppose a
1. 1 answer
2. asked by Xavier
3. 1,385 views
I am having trouble identifying the flaws in my code. I need to created a program that calculates the rainfall for a given year
1. 2 answers
2. asked by Anonymous
3. 1,348 views
the dimensions of a rectangular prism are height 7 feet, width 4 feet and length 3 feet find the surface areapart 2: dimensions
1. 2 answers
2. asked by kim
3. 1,324 views
Find the vertex and axis of symmetry of the graph of a function.f(x)=x^2+6x+16
1. 2 answers
2. asked by Ginger
3. 1,322 views
Media services charges $40 for a phone and 20/mth for its economy plan. It says to find a model that determines the total cost,
1. 3 answers
2. asked by AMY
3. 1,285 views
Southwest Cleaners believes that it will need new equipment in 10 years. The equipment will cost $26,000. What lump sum should
1. 3 answers
2. asked by Dazed and confused
3. 1,278 views
A string that passes over a pulley has a 0.321 kg mass attached to one end and a 0.655 kg mass attached to the other end. The
1. 1 answer
2. asked by Cerra
3. 1,269 views
A uniform plank of length 5.1 m and weight 235 N rests horizontally on two supports, with 1.1 m of the plank hanging over the
1. 1 answer
2. asked by nadia
3. 1,231 views
In Invisible Man, the main character disproved of Tod Clifton and didn't like that he was selling sambo dolls. Why would he then
1. 1 answer
2. asked by Jordan
3. 1,212 views
Calculate the molar solubility of MX2, if the Ksp=3.3x10^-8i already asked this but im confused about one of the steps. Ksp =
1. 3 answers
2. asked by roseanne
3. 1,210 views
A baseball is thrown at an angle of 23◦ relative to the ground at a speed of 22.3 m/s. The ball is caught 36.4649 m from the
1. 2 answers
2. asked by john
3. 1,207 views
If you thought you had discovered a new element, how could you get the scientific world to accept your discovery? What
1. 1 answer
2. asked by Liz Bell
3. 1,199 views
In health care, can you name some specific examples of how the function of control is implemented?
1. 0 answers
2. asked by carlisa
3. 1,153 views
An autographed baseball rolls off of a 1.3 m high desk and strikes the floor 0.74 m away from the desk. The acceleration of
1. 2 answers
2. asked by john
3. 1,149 views
A 1210 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1820 N crate
1. 0 answers
2. asked by james
3. 1,147 views
Rob can complete his bus route in 6 hours. Joan can complete her bus route in 3 hours. If they left the terminal at 3:00 am and
1. 0 answers
2. asked by Anonymous
3. 1,127 views
A diving board length = 6.00 m that weighs 210 N is supported by two pillars. One pillar is at the left end of the diving board,
1. 0 answers
2. asked by Cerra
3. 1,112 views
A bag contains 7 red marbles, 2 blue marbles, and 1 green marble. If a marble is selected at random, what is the probability of
1. 1 answer
2. asked by m
3. 1,103 views
write two paragraphs how interest rates affect our purchasing decisions underlining the topic in each paragraph
1. 0 answers
2. asked by tammy
3. 1,099 views
What % of Americans have a net worth of $750,000?
1. 0 answers
2. asked by Susan
3. 1,081 views
Write the numeral 436eight in base ten
1. 2 answers
2. asked by Jenny
3. 1,053 views
A student prepared 5.00 mL of borax solution at 59.2 C. He diluted the solution in a flask and titrated it to an endpoint with
1. 1 answer
2. asked by Anonymous
3. 1,049 views
working together 2 people can mow a large lawn in 4 hours. One person can do the job alone one hour faster than the other
1. 1 answer
2. asked by Cerra
3. 1,037 views
A lottery game has balls numbered 1 through 15. If a ball is selected at random, what is the probability of selecting a ball
1. 1 answer
2. asked by m
3. 1,022 views
the french and idian war was a deadly war but important. is this a good thesis statement?
1. 4 answers
2. asked by majenta
3. 1,000 views
Thank you very much for your help. Here are the last sentences of the day.1)The opposition between dark and white works in
1. 1 answer
2. asked by Franco
3. 974 views
A rock stuck in the tread of a 57.0 cm diameter bicycle wheel has a tangential speed of 3.00 m/s. When the brakes are applied,
1. 1 answer
2. asked by skywalker
3. 973 views
How would you describe the shape that the wordrepresents?
1. 3 answers
2. asked by MaryAnn
3. 946 views
An electrochemical cell is created using gold and magnesium half-cells.a. Determine which half-cell will undergo oxidation and
1. 3 answers
2. asked by Adam
3. 936 views
On a MaP, The length of a nature-center trail is 8.2 centimeters. If the scale is 3 centimeters to 24 kilometers, what is the
1. 3 answers
2. asked by Cluless
3. 928 views
In hydration of of 2-Ethyl-1-ButeneWhat important bands (include wavenumbers) would begin to disappear in an IR spectrum and
1. 2 answers
2. asked by Mandy
3. 883 views
A 1.6kg box that is sliding on a frictionless surface with a speed of 11m/s approaches a horizontal spring. The spring has a
1. 1 answer
2. asked by Erin
3. 861 views
3. Imagine that more than one band appeared in the GC chromatogram, but you were unable to run the standards. Instead you took
1. 0 answers
2. asked by Mandy
3. 858 views
S and J are trying to split 100 dollars. In bargaining round 1, S makes an offer at cost 0, proposing to keep S1 for himself and
1. 0 answers
2. asked by Tasa
3. 851 views
For each table, find the output value that corresponds to an input value of 0.Chart; Input Output; -5 (negative) 22 (positive)
1. 1 answer
2. asked by Melina
3. 847 views
The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 153 yards with a 7-iron,
1. 2 answers
2. asked by Cluless
3. 817 views
What areas of British North America seemed most vulnerable to American expansion?How did the shortage of good farmland
1. 1 answer
2. asked by Anna
3. 810 views
Initial Investment??Annual % Rate= 8 Time to Double?? Amount after 10 years= $20,000 I don't know how to figure out the initial
1. 3 answers
2. asked by holly
3. 810 views
Annies cafe borrows $9300 at 8% for 50 days. find the total amount that must be repaid after the 50 days. (Use a 365 day year)
1. 1 answer
2. asked by Cluless
3. 804 views
rectangular prism: height 7 feet, width 4 feet and length 3 feetFind the volume Cylinder: radius 3.5 feet and height 7 feet Find
1. 3 answers
2. asked by kim
3. 769 views
a running back rushed for 129 yards through 3 quarters.in the 4th quarter the running back lost 5 yards per rush. the runing
1. 2 answers
2. asked by kayla
3. 769 views
A 1210 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1820 N crate
1. 0 answers
2. asked by james
3. 759 views
I need to enclose a section that is 250 square ft with a fence that cost $1.50 per yard, what dimension would i use to minimize
1. 1 answer
2. asked by Daphne
3. 744 views
I've got a question:Imagine this scenario where someone releases a marble down an inclined ramp and at the end of the ramp a
1. 2 answers
2. asked by Cheesecake
3. 744 views
I have a recipe for a Tunnel of SugarPlum cake. It calls for a small pky of frosting mix (Jiffy). This is no longer available
1. 1 answer
2. asked by Jo
3. 738 views
find all points on the hyperbola y=1/x, that are closest to the origin on (1/2,2)
1. 1 answer
2. asked by help
3. 734 views
How did the shortage of good farmland contribute to the desire for federal union (Confederation)
1. 0 answers
2. asked by Anna
3. 729 views
A delivery truck travels 18 blocks north, 25 blocks west and 17 blocks south. What is its final displacement from the origin?
1. 2 answers
2. asked by Grayce
3. 720 views
a running back rushed for 129 yards through 3 quarters.in the 4th quarter the running back lost 5 yards per rush. the runing
1. 9 answers
2. asked by kayla
3. 695 views
I have found a balanced redox equation for removal of silver sulfide using sodium hydrogen carbonate in aluminium to say:2Al +
1. 2 answers
2. asked by bob
3. 689 views
If you thought you had discovered a new element, how could you get the scientific world to accept your discovery?
1. 2 answers
2. asked by Liz Bell
3. 687 views
I have a question on a fixed cost of bargaining problem. Can somebody help me?
1. 1 answer
2. asked by Tasa
3. 683 views
Can you pleae tell me which alternatives are possible? Thank you very much.1, They believed a person (better: the individual)
1. 1 answer
2. asked by Franco
3. 675 views
wo thin rectangular sheets (0.13 m 0.52 m) are identical. In the first sheet the axis of rotation lies along the 0.13 m side,
1. 1 answer
2. asked by jason
3. 675 views
Need help. I want to cut an extremely long problem that I just solved however I am trying to find out how-1.9 = -0.02t equals T=
1. 2 answers
2. asked by Candy
3. 669 views
A 25 mL sample of wine is found to have a concentration of acetic acid of 0.23 M. If this was titrated with a 0.16 M NaOH
1. 1 answer
2. asked by Susan
3. 660 views
"¿Piensan ver ese programa de entrevistas más tarde?""Sí,_____ después de las noticias." a. la pensamos ver b. pensamos
1. 4 answers
2. asked by Lily
3. 658 views
Consider a bimetallic strip consisting of a 0.6-mm-thick brass upper strip welded to a 0.6-mm-thick steel lower strip. When the
1. 0 answers
2. asked by Oscar
3. 655 views
Thank you very much for your corrections. Can you help me check these ones, too?1)The poet had to show other people the truth of
1. 1 answer
2. asked by Franco
3. 653 views
A standard number cubes with the numbers 1 through 6 is rolled. Find the probability of rolling a number greater than 2.
1. 1 answer
2. asked by Michelle
3. 651 views
Bert has a bag with 12 blue marbles, 6 green marbles, 8 purple marbles, and 4 red marbles. If he want the probability of picking
1. 1 answer
2. asked by Michelle
3. 650 views
Lazydog and his tractor (1330 kg) are pulling a trailer (530 kg) up a 7° hill. The trailer wheels roll freely. What is the
1. 2 answers
2. asked by sandhu
3. 648 views
You want to measure the oxalic acid contents in 20 ml of a solution. To this end, you add 100 mmol sodium dichromate to the
1. 1 answer
2. asked by Anonymous
3. 643 views
A laboratory centrifuge on earth makes n rpm (rev/min) and produces an acceleration of 7.00 g at its outer end.What is the
1. 1 answer
2. asked by jessica
3. 637 views
Use the graph, showing the yearly food costs of a family.What was the decrease in the cost of food from 2003 to 2004?
1. 2 answers
2. asked by vanessa
3. 631 views
What are some negative facts for the Montane Cordillera. Also I am looking for some positive and negative facts for the Prairie
1. 2 answers
2. asked by peyton
3. 630 views
For each table, find the output value that corresponds to an input value of 0.Chart; Input Output; -5 (negative) 22 (positive)
1. 1 answer
2. asked by Melina
3. 622 views
An FM radio station broadcasts at 80.9MHz. Determine the period of the radio waves.i know period is just 1/freq. so what would i
1. 1 answer
2. asked by Josh
3. 615 views
Each of the following nuclides is known to undergo radioactive decay by production of a beta particle, ^0_-1e. Write a balanced
1. 4 answers
2. asked by Jane
3. 611 views
A laboratory centrifuge on earth makes n rpm (rev/min) and produces an acceleration of 7.00 g at its outer end.What is the
1. 1 answer
2. asked by jessica
3. 603 views
For which of the following will delta S be the most positve?A) Co2(g)->CO2(s) B) C6H12O6 (s)+ 6 O2(g) -> 6 Co2(g) + 6H20(g) C)
1. 1 answer
2. asked by Jamy
3. 600 views
im working with integers.a running back rushed for 129 yards through 3 quarters.in the 4th quarter the running back lost 5 yards
1. 3 answers
2. asked by kayla
3. 598 views
f(x)= (1-sinx) interval (0≤x≤2π) find where the function is increasing decreasing..i know that f`(x)=1-sinx it is equal to
1. 1 answer
2. asked by help
3. 592 views
For the table, find the output value that corresponds to an input value of 0.Chart; Input Output; -5 (negative) 22 (positive) -2
1. 0 answers
2. asked by Melina
3. 590 views
Compounded semiannually. P dollars is invested at annualinterest rate r for 1 year. If the interest is compounded semiannually,
1. 2 answers
2. asked by Lisa
3. 587 views
A 1240 N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1970 N crate
1. 0 answers
2. asked by maria
3. 584 views
An FM radio station broadcasts at 80.9MHz. Determine the period of the radio waves.i know period is just 1/freq. so what would i
1. 1 answer
2. asked by Josh
3. 580 views
What variables other than price and advertising are likely to affect the quantity demanded of a product?
1. 3 answers
2. asked by Meritsa
3. 579 views
An automobile tire has a radius of 0.280 m, and its center moves forward with a linear speed of v = 18.0 m/s.(a) Determine the
1. 1 answer
2. asked by john
3. 578 views
If a number is increased by 37%, by what percent must it be decreased to obtain the original number?A carpeted living room and
1. 5 answers
2. asked by Cluless
3. 566 views
"¿Tienes que reciclar _____ en tu comunidad?""Sí, lo tengo que reciclar." a. el cartón b. las latas c. las botellas de
1. 3 answers
2. asked by Lily
3. 562 views
how do I find the slope of the graph of the linear function "f"?f(2) = -3,f(-2) = 5
1. 5 answers
2. asked by Linda
3. 558 views
"Quién hace tu cama?""Pues, yo ____." a. no hago nada b. lo hago c. la hago d. me gusta hacer D?
1. 3 answers
2. asked by Lily
3. 554 views
I am doing a project on three ecozones of canada. The three which I have picked are Montane Cordillera, Praire and Mixwood
1. 1 answer
2. asked by peyton
3. 551 views
The electrochemical cell described by the cell notation has an Eo of -0.37 V. Calculate the maximum electrical work (kJ) the
1. 0 answers
2. asked by flame
3. 545 views

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