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Questions Asked on November 4, 2009

a child sitting 1.10 m from the center of a merry go round moves with a speed of 1.25 m/s. calculate the centripetal
1. 3 answers
2. asked by Sasha
3. 16,204 views
In 1968, the U.S. minimum wage was $1.60 per hour. In 1976, the minimum wage was $2.30 per hour. Assume the minimum wage grows
1. 1 answer
2. asked by SC
3. 6,538 views
A sports car of mass 950kg (including the driver) crosses the rounded top of a hill (radius = 95m) at 22m/s. Determinea) the
1. 1 answer
2. asked by Sasha
3. 4,988 views
a .45kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.3m on a frictionless horizontal
1. 2 answers
2. asked by Sasha
3. 4,875 views
Newton's Law of Gravitation says that the magnitude F of the force exerted by a body of mass m on a body of mass M is the
1. 2 answers
2. asked by Josh
3. 2,791 views
A 3.00 kg ball is dropped from the roof of a building 176.4 m high. While the ball is falling to Earth, a horizontal wind exerts
1. 2 answers
2. asked by Anonymous
3. 2,713 views
A metal can containing condensed mushroom soup has a mass of 269 g, a height of 14.7 cm, and a diameter of 6.79 cm. It is placed
1. 2 answers
2. asked by Emily
3. 2,410 views
fully loaded, slow-moving freight elevator has a cab with a total mass of 1250 kg, which is required to travel upward 58 m in
1. 2 answers
2. asked by Corey
3. 2,384 views
A small mass m slides without friction along the looped apparatus shown in Fig. 6-39. If the object is to remain on the track,
1. 2 answers
2. asked by Ashley
3. 2,151 views
A particle at rest undergoes an accelerationof 2.1 m/s2 to the right and 5 m/s2 up. a) What is its speed after 7.9 s? Answer in
1. 2 answers
2. asked by naomi
3. 1,892 views
a snowball rolls off the edge of a horizontal roof at a velocity of 7 m/s. what is the speed of the snowball 3 s later?
1. 1 answer
2. asked by craig
3. 1,887 views
Two numbers are reciprocals of each other. One number is 9 times as large as the other. Find the two numbers.
1. 2 answers
2. asked by gt
3. 1,684 views
If a ball is thrown vertically upward with a velocity of 160 ft/s, then its height after t seconds is s = 160t - 16t2.What is
1. 3 answers
2. asked by Pat
3. 1,593 views
A 3.0 kg breadbox on a frictionless incline of angle ¥è = 42 ¢ª is connected, by a cord that runs over a pulley, to a light
1. 5 answers
2. asked by Shawna
3. 1,519 views
If a car is traveling westward with a constant velocity of 20 m/s, what is the net external force acting on it?
1. 1 answer
2. asked by Anonymous
3. 1,501 views
Is this a quadratic or linear function? Identify the quadratic,linear, and constant terms3(x-2)^2+12x
1. 1 answer
2. asked by tyler
3. 1,498 views
A golf club 1.01 m long completes a downswing in 0.25 s through a range of 180°. Assume a uniform (constant) angular velocity,
1. 2 answers
2. asked by Kelly
3. 1,418 views
Should people change their decisions when circumstances change, or is it best for them to stick with their original decisions?En
1. 6 answers
2. asked by Mercedes
3. 1,413 views
Earth is always changing.What are two forces that cause the earth's surface to constantly change and what are their effects on
1. 2 answers
2. asked by Elizabeth
3. 1,404 views
A hypothetical planet has a radius 3.3 times that of Earth, but has the same mass. What is the acceleration due to gravity near
1. 1 answer
2. asked by Anonymous
3. 1,288 views
Suppose there are four firms in a competitive market and that each firm has the following supply function.Supply functions for
1. 0 answers
2. asked by cb
3. 1,278 views
Hi,I have started working on the Phone Book Character essay again. i did the drafting sheet just now. I will try to do as much
1. 2 answers
2. asked by y912f
3. 1,267 views
Copper has 2 known isotopes: ^63CU atomic mass= 62.9298 and ^65 CU atomic mass=64.9278. The average atomic mass of copper is
1. 2 answers
2. asked by help
3. 1,228 views
we must apply a force of magnitude 82.0 N to hold the block stationary at x=-2.0 cm. From that position, we then slowly move the
1. 2 answers
2. asked by Shawna
3. 1,203 views
Why does the President as commander-in-chief of the armed forces?
1. 1 answer
2. asked by Kathleen
3. 1,198 views
A speed velocity of a a rocket with a mass of 0.25 kg passes from 15 m/s[up] to 40 m/s[up] in 0.60s. calculate the force of the
1. 1 answer
2. asked by Adrienne
3. 1,178 views
If a discus thrower rotates through the last 45 degrees of a turn in .11 seconds and the distance from the axis of the rotation
1. 2 answers
2. asked by Tommy
3. 1,167 views
if A= i+j, B= 2i-3j+k and C= 4j-3kfind: Ax(BxC) pls help with solution.
1. 1 answer
2. asked by Mathwise
3. 1,159 views
simplify the expression by combining like termsr + 2s + 3r
1. 7 answers
2. asked by Mike
3. 1,097 views
A manufacturer produces a standard model and a deluxe model of a 13-in. television set. The standard requires 20 h of labor to
1. 0 answers
2. asked by saRa
3. 1,090 views
A grinding wheel in the shape of a solid disk is 0.200 m in diameter and has a mass of 3.00 kg. The wheel is rotating at 2200
1. 1 answer
2. asked by sarah
3. 1,074 views
In a perfectly competitive industry, the market price is $25. A firm is currently producing 10,000 units of output, its average
1. 1 answer
2. asked by cb
3. 1,070 views
Let's talke about the following topics with your friends.1. The following is Junsu's diary. Find out Junsu's worries and
1. 1 answer
2. asked by rfvv
3. 1,055 views
I Have A Big Project And I Need Antynoms For Muzzle(the Device)
1. 2 answers
2. asked by Nate
3. 1,054 views
For a machine with an efficiency of 80%, what is the work output of the machine if its work input is 2,000 joules?would i divide
1. 3 answers
2. asked by please help(:
3. 1,006 views
Arrange the following from the most work to the least. For each instance, calculate the total amount of work done. Show all
1. 7 answers
2. asked by Anonymous
3. 1,006 views
Need help with finding the state capitals of the middle and southern colonies from the 1600's
1. 2 answers
2. asked by Megan
3. 993 views
Find the area of the triangle.b=125 c=162 <B=40 (b and c are the sides) (<B is the angle)
1. 2 answers
2. asked by Jennifer
3. 990 views
1)Suppose Q = x^3 y^2 . If [dQ/dt] = −1 and [dx/dt] = 2, find [dy/dt] whenx = 4 and y = 5 . [dy/dt] =______ 2)Let A be the
1. 2 answers
2. asked by Mulan
3. 983 views
Identify the conic section whose equation is given:x2 + 10x + y2 + 12y = 60
1. 1 answer
2. asked by Chris
3. 969 views
What is an axis?
1. 2 answers
2. asked by Cameron
3. 952 views
what is the job of the president's executive office?
1. 1 answer
2. asked by tereasa
3. 946 views
I need help with this assignment about HIV/AIDS: An Overview its due sunday. I have to compose a 1,300 to 1,450 word paper in
1. 4 answers
2. asked by Markella Smith
3. 904 views
. A coffee merchant has two types of coffee beans, one selling for $3 per pound and the other for $6 per pound. The beans are to
1. 1 answer
2. asked by saRa
3. 899 views
A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for
1. 1 answer
2. asked by Brenda
3. 880 views
A tunnel of length L = 141 m, height H = 6.9 m high, and width 6.0 m (with a flat roof) is to be constructed at distance d = 60
1. 2 answers
2. asked by Ray
3. 878 views
would a 17 year old soldier be too young to begin fighting?I think yes, because I don't think that a 17 year old would have much
1. 3 answers
2. asked by Sara
3. 868 views
Determine the x and y components if a dog walks to the park that is 24m, 30 degrees northwest.Please help i don't know how to go
1. 2 answers
2. asked by Allison
3. 858 views
what is the wavelength of radiation with a frequency of 1.50 times 10^13s-1? Does this radiationhave a longer or shorter
1. 3 answers
2. asked by stephanie
3. 849 views
What effect does cooking have on liquid protein
1. 0 answers
2. asked by TOM
3. 848 views
A 2.0 kg box rests on a plank that is inclined at an angle of 65° above the horizontal. The upper end of the box is attached to
1. 1 answer
2. asked by Stefanie
3. 847 views
Consider a bowl containing 36 different slips of paper. Ten of the slips of paper each contain one of the set of digits 0
1. 2 answers
2. asked by Anonymous
3. 843 views
1. The judge slowly took out three gold coins from his pocket.2. The judge slowly put in three gold coins in/into his pocket.
1. 0 answers
2. asked by rfvv
3. 826 views
Hi, I have the follwoing physics question to ask, Plesae help with hints."Two people are standing on a 2.5-m-long platform, one
1. 0 answers
2. asked by Indi
3. 824 views
Identify if the word grouping contains sentence fragments, a comma splice, or a run-on sentence, or if the grouping is a
1. 3 answers
2. asked by flojoe
3. 821 views
A coin slides over a frictionless plane and across an xy coordinate system from the origin to a point with xy coordinates (3.0
1. 1 answer
2. asked by Karen
3. 797 views
Chad was the same age as Shelly, and Holly was 4 years older than both of them. Chad's dad was 20 when Chad was born, and the
1. 1 answer
2. asked by gt
3. 789 views
We have been given a list of words and have to write the plural of them. I have found the answer to each of the words but now
1. 2 answers
2. asked by Dion
3. 780 views
solve the quadratic equationxsquared - 2x - 3 = 0
1. 2 answers
2. asked by josh
3. 779 views
The thirteen stripes on this United States flag represent the number ofA- original colonies B- revolutionary war battles C-
1. 1 answer
2. asked by Tamera
3. 771 views
A student of weight 661 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude
1. 2 answers
2. asked by Jane
3. 769 views
Solve the given system of linear inequalities by graphing:x+y>4 x-y<7
1. 2 answers
2. asked by saRa
3. 766 views
Your fRench teacher has a collection of items that have been left in class. Tell whom they belong to.ex. le cahier/l'étudiante
1. 5 answers
2. asked by Lisa
3. 766 views
In a family with two children, what are the probabilities of the following outcomes, assuming that the birth of boys and girls
1. 4 answers
2. asked by Anonymous
3. 761 views
What is implicit differentiation...as in what would be the steps in solving it. I read my textbook but it seems very confusing.1
1. 1 answer
2. asked by Nikita
3. 750 views
Four 7.5 kg spheres are located at the corners of a square of side 0.74 m. Calculate the magnitude and direction of the
1. 3 answers
2. asked by Anonymous
3. 746 views
If y = 5x^3 − 10x, determine [dy/dt] when x = 0 and [dx/dt] = −2 .help please ;)
1. 1 answer
2. asked by Mulan
3. 735 views
Given the sequence of bases in the sense strand of DNA shown below, please answer the following questions.5'-ATGTTTCCCCAGAAGAGGT
1. 1 answer
2. asked by Jenna
3. 734 views
i need help on this problem. make 36/9 into a false number sentence?please! help me to understand this math problem thank you
1. 1 answer
2. asked by samie
3. 731 views
A speed velocity of a a rocket with a mass of 0.25 kg passes from 15 m/s[up] to 40 m/s[up] in 0.60s. calculate the force of the
1. 1 answer
2. asked by Adrienne
3. 724 views
How come cosine of 225 degrees is a positive number i thought it was negative because it's reference angle would be 45 degrees
1. 6 answers
2. asked by Trig
3. 718 views
For a machine with an efficiency of 80%, what is the work output of the machine if its work input is 2,000 joules?would i divide
1. 0 answers
2. asked by please help(:
3. 716 views
Calculate the force of gravity on a spacecraft 6400 km (1 earth radii) above the Earth's surface if its mass is 1600 kg.
1. 1 answer
2. asked by DJ
3. 716 views
Find both square root of 4,900.The first would be 70, but what the second one?
1. 1 answer
2. asked by Anonymous
3. 715 views
what two grievances of the declaration of independence? and how do I state the details of the bill that represents them?
1. 1 answer
2. asked by ckelly
3. 714 views
the biology club budgeted $200 for their pancake breakfast. each meal costs $1.50 to prepare. write an inequality that
1. 1 answer
2. asked by mina
3. 714 views
Suppose you are the manager of a small chemical company operating in a competitive market. Your cost of production can be
1. 1 answer
2. asked by cb
3. 713 views
Would someone be willing to critique and edit my essay? Thanks so much!PROMPT: Read the two sermons "Sinners in the Hands of an
1. 3 answers
2. asked by Emily
3. 705 views
Arrange the following from the most work to the least. For each instance, calculate the total amount of work done. Show all
1. 2 answers
2. asked by please help(:
3. 701 views
Factor completelyx³-8x²+11x+20
1. 1 answer
2. asked by Adrian
3. 700 views
how to measure the volume of wood chips? (will they float on water re: water displacement, so this would not be a good method to
1. 1 answer
2. asked by marlee
3. 690 views
You finish a two-mile walking race in 36.5 minutes. Write an inequality for the average speed of the walkers who finished after
1. 1 answer
2. asked by Maria
3. 687 views
A truck is stopped at a stoplight. When the light turns green, the truck accelerates at 2.2 m/s2. At the same instant, a car
1. 1 answer
2. asked by Rachel
3. 685 views
1. I like him because of his honesty.2. I like him on account of his honesty. 3. I like him on the ground of his honesty. 4. I
1. 1 answer
2. asked by rfvv
3. 678 views
I have fewer ones than tens. The value of my tens is 20. What two numbers can I be?
1. 8 answers
2. asked by Karen
3. 674 views
If a car is accelerating downhill under a net force of 3674 N, what force must the brakes exert to cause the car to have a
1. 1 answer
2. asked by Anonymous
3. 672 views
How far is it from Minneapolis, Mn to Machu Picchu, Peru?
1. 1 answer
2. asked by Samantha
3. 672 views
The scientific name of the dog is canis familiaris and that of the coyote is canis latans.this indicates that both the dog and
1. 2 answers
2. asked by toshiro
3. 669 views
I made a mistake when I simplified. Find and explain my mistake. Then complete the problem correctly.Simplify:(3m^7k^-5)^-3
1. 3 answers
2. asked by James
3. 661 views
In the federal system, how is sovereign power divided among state and federal laws and constitutions?
1. 2 answers
2. asked by Bob
3. 654 views
Find the first, second, and third quartiles of the data.15, 6, 1, 13, 5, 11, 3, 8 My answer: 1st quartile: 3 2nd quartile: 7 3rd
1. 1 answer
2. asked by benn
3. 652 views
Take any two real numbers whose sum is 1(fractions, decimals, integers, etc. are appropriate. Square the larger and add the
1. 0 answers
2. asked by gt
3. 649 views
a golf club 1.01 m long completes a downswing in .25s through a range of 180 degrees. Assume a uniform (constant) angular
1. 1 answer
2. asked by marie
3. 647 views
Students at the International Festival tell what countries they come from. Now ask them if their nationality corresponds to that
1. 2 answers
2. asked by Anna
3. 646 views
If the change in position Dx is related to velocity v (with units of m/s) in the equation Dx = Av, the constant A has which
1. 2 answers
2. asked by Ashleigh
3. 645 views
Your fRench teacher has a collection of items that have been left in class. Tell whom they belong to.ex. le cahier/l'étudiante
1. 2 answers
2. asked by Anna
3. 645 views
I'm writing a research paper on the Jacksonian Era. Can you help me with a good attention grabber to start my paper off with.
1. 5 answers
2. asked by Unknown
3. 638 views
A study of the causes of the American Revolution of 1776, the French Revolution of 1789, and the Russian Revolution of 1917 best
1. 1 answer
2. asked by rebecca
3. 632 views
what are the fallacies if any are inthis argument in the border on our backs by roberto rodriguez?explain the nature of the
1. 1 answer
2. asked by lisa
3. 630 views
Jeffrey wants to start his second hour with a hard-rock song and finish with a pop classic. How many different playlists can
1. 2 answers
2. asked by May
3. 625 views

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