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Questions Asked on July 14, 2010

A 3.0 kg block being pulled across a table by a horizontal force of 80 N also experiences a frictional force of 5 N. What is the
1. 2 answers
2. asked by Adriana
3. 6,046 views
Please show how you got the answers, not just the answers.A 40.0 N force stretches a vertical spring 0.250 m. (A) What mass must
1. 1 answer
2. asked by Amanda
3. 3,865 views
In the reaction between CV+ and –OH, one species is acting as the Lewis base, the other as the Lewis acid. (Note: A Lewis acid
1. 5 answers
2. asked by Sara
3. 3,678 views
Figure 5-53 shows a man sitting in a bosun's chair that dangles from a massless, frictionless pulley and back down to the mans's
1. 1 answer
2. asked by Sam
3. 3,655 views
Given the reaction: C3H8(g) + 5O2(g) �¨ 3CO2(g) + 4H2O(g)What is the total volume of H2O(g) formed when 8.00 liters of C3H8(g)
1. 1 answer
2. asked by Dillon
3. 3,505 views
150 pJ of energy is stored in a 1.0 cm times 1.0 cm times 1.0 cm region of uniform electric field.What is the electric field
1. 1 answer
2. asked by Emoni
3. 3,171 views
PLEASE ANSWER VERY SOON I AM STUCK!Crystalline silicon has a cubic structure. The unit cell edge length is 543 pm. The density
1. 2 answers
2. asked by Kendra
3. 3,114 views
1. Suppose that the strength of the electric field about an isolated point charge has a certain value at a distance of 1 m. How
1. 2 answers
2. asked by anonymous
3. 3,029 views
which of the following statements is true regarding electromagnetic radiation?Options: 1. electromagnetic radiation with a
1. 2 answers
2. asked by Ally
3. 2,978 views
can you help me find cos 2x if sin x = -12/13 (x in 3rd quadrant)
1. 1 answer
2. asked by steve
3. 2,113 views
"An athlete whirls a 3.7kg shot-put in a horizontal circle with a radius of 0.90m. If the period of rotation is 0.30s, how far
1. 1 answer
2. asked by Stuck
3. 2,021 views
Two 2.4 cm diameter disks spaced 1.5 mm apart form a parallel-plate capacitor. The electric field between the disks is 4.3×10^5
1. 1 answer
2. asked by Emoni
3. 1,561 views
In the figure below, three ballot boxes are connected by cords, one of which wraps over a pulley having negligible friction on
1. 0 answers
2. asked by Sam
3. 1,524 views
On December 26, 2004, a great earthquake occurred off the coast of Sumatra and triggered immense waves that killed hundreds of
1. 1 answer
2. asked by Anonymous
3. 1,506 views
A sign has a mass of 1050 kg, a height h = 1 m, and a width W = 4 m. It is held by a light rod of length 5 m that is
1. 4 answers
2. asked by Jay
3. 1,279 views
Transaltion from Latin to English:Aeneas, dum ex urbe effugit, senem portat. Senex est Anchises, pater Aeneae. Portare Anchisen
1. 0 answers
2. asked by Nicky
3. 1,222 views
A solid sphere of uniform density starts from rest and rolls without slipping a distance of d = 2.7 m down a q = 23° incline.
1. 3 answers
2. asked by Jay
3. 1,203 views
Timber companies in the United States cut down many trees on publicly owned land and many trees on privately owned land. Discuss
1. 1 answer
2. asked by Anonymous 2
3. 1,162 views
Four roommates are planning to spend the weekend in their dorm room watching old movies, and they are debating how many to
1. 1 answer
2. asked by Anonymous 2
3. 1,132 views
Four roommates are planning to spend the weekend in their dorm room watching old movies, and they are debating how many to
1. 1 answer
2. asked by Anonymous 2
3. 1,102 views
Just WHO IS DRBOB222? AND WHY ARE YOU SO AMAZING? PLEASE TELL US MORE ABOUT YOURSELF!
1. 9 answers
2. asked by Sam
3. 1,057 views
When do you get the greatest impulse or change in momentum?a)When an object fully stops upon impact b)When an object merely
1. 1 answer
2. asked by Ariel
3. 1,048 views
It takes about 10^16 years for just half the samarium-149 in nature to decay by alpha-particle emission. Write the decay
1. 1 answer
2. asked by Phillip
3. 1,030 views
Determin the points of intersection algebraically :f(x)=-x(squared) +6x-5, g(x)=-4x+19
1. 1 answer
2. asked by Kerry
3. 971 views
A student measures the potential for cells containing A+B+and C+ ions and their metals and records his data in the table below:.
1. 5 answers
2. asked by laila
3. 971 views
I NEED HELP WRITING A PROCESS PARAGRAPH ON HOW TO MAKE A CAKE AND I HAVE THE STEP BUT I JUST DON'T KNOW HOW TO WRITE THE
1. 1 answer
2. asked by JESSICA MARSH
3. 969 views
A 17 N horizontal force F pushes a block weighing 3.0 N against a vertical wall. The coefficient of static friction between the
1. 4 answers
2. asked by Sam
3. 951 views
A quantity of ice at 0°C is added to 65.0 g of water in a glass at 55°C. After the ice melted, the temperature of the water in
1. 1 answer
2. asked by Anonymous
3. 922 views
what is the area of the lagrest circle that can be cut from a rectangular piece of construction paper that is 8 1/2 by 11
1. 1 answer
2. asked by rally
3. 920 views
This problem is in chapter 9 page 708, problem 58. It looks like it could be solved two ways.16 div. by (-2)*(-4)
1. 1 answer
2. asked by barb
3. 916 views
if the average person drinks 8(8 oz.) glasses of warter per day,rather than a person who drinks 12 8 oz. of warter after a
1. 12 answers
2. asked by bria
3. 915 views
A 3.5 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 17 N at an angle θ = 35°
1. 0 answers
2. asked by Sam
3. 910 views
what is the distance between the points (-1,7) and (5,7)?
1. 3 answers
2. asked by pavleen
3. 892 views
A two-tailed hypothesis test at the 5 percent level of significance (£\ = .05) is exactly equivalent to asking whether the 95
1. 1 answer
2. asked by mel
3. 867 views
1. Two point charges are separated by 6 cm. The attractive force between them is 14 N. Find the force between them when they are
1. 1 answer
2. asked by Nicole
3. 840 views
what is the energy of a 606 nm photon emitted from a light source?Answer in units of J.
1. 3 answers
2. asked by Nicole
3. 833 views
Calculate the ratio of the drag force on a passenger jet flying with a speed of 850 km/h at an altitude of 10 km to the drag
1. 3 answers
2. asked by Sam
3. 831 views
You are interested in purchasing a new minor league baseball franchise. The franchise will be located in your area. To reduce
1. 1 answer
2. asked by Amanda
3. 809 views
1. At some automobile toll-collecting stations, a thin metal wire sticks up from the road and makes contact with cars before
1. 1 answer
2. asked by Nicole
3. 798 views
Can someone help me Pleaseeeee….on a writing assignment? I need to write introduction paragraphs on these Topics…My title:
1. 2 answers
2. asked by shawna
3. 777 views
Which of the following statements are correct?1.A normal distribution is any distribution that is not unusual. 2.The graph of a
1. 1 answer
2. asked by Christy
3. 763 views
An atom emits a photon of light with a wavelength of 566 nanometers. How much energy has the atom lost?Answer in units of
1. 3 answers
2. asked by Ally
3. 736 views
what is the main difference b/w emergency care and first aida.severity of the condition being treated b.person performing the
1. 3 answers
2. asked by anjie
3. 730 views
Your best taxable investment opportunity has an EAR of 4%. Your best tax-free investment opportunity has an EAR of 3%. If your
1. 0 answers
2. asked by Jay
3. 718 views
Find the magnitude of the impulse delivered to a soccer ball when a player kicks it with a force of 1500 . Assume that the
1. 1 answer
2. asked by Jan
3. 715 views
For the reaction Cl2(g)<-> 2Cl)g) Kp=2.45*10^-7 at 1000K. What is delta G (degrees) for this reaction at 1000K?
1. 1 answer
2. asked by Ashely
3. 709 views
Calculate the power output of a 1.5 fly as it walks straight up a windowpane at 2.2P=__W (2 sig figs)
1. 2 answers
2. asked by Brittany
3. 695 views
Calculate the power output of a 1.5 fly as it walks straight up a windowpane at 2.22 sig figs P= ___W
1. 1 answer
2. asked by Brittany
3. 682 views
You are graduating in September and would like to start your own business making wine coolers. You collect the following
1. 1 answer
2. asked by RICKY
3. 668 views
PLEASE.1. A frog jumps from a rock to the shore of a pond. Its path is given by the equation y=(-5/72)x^2+(5/3)x, where x is the
1. 3 answers
2. asked by Leslie
3. 662 views
Is you teacher who teaches AP Biology still sick last time I heard I was told he was to sick to even come on here is he back
1. 6 answers
2. asked by Kate
3. 654 views
after twelve monthly deposits of $400 at 12% compounded monthly, find the amount of an annuity.please help me:(
1. 1 answer
2. asked by sha
3. 651 views
Use the diagram below to answer the following questions.||.Show all work to receive credit a. Find the value of x. b. Find m
1. 1 answer
2. asked by Anonymous
3. 639 views
you find out that your aunt works for a defense manufactuing compnay that has several defense contracts with the government. she
1. 1 answer
2. asked by Anonymous
3. 625 views
Which phrase best describes Samuel Pepys's personality, judging from the Diary excerpts you read?A.a caring, social man with
1. 1 answer
2. asked by Cody
3. 616 views
Fely is twice as old as Mary. Five years hence, she will be 10 years older than Mary. Find the current age of each girl. With
1. 2 answers
2. asked by stef
3. 614 views
A 3.5 kg block, initially in motion, is pushed along a horizontal floor by a force F of magnitude 17 N at an angle θ = 35°
1. 1 answer
2. asked by Sam
3. 612 views
What happens to the rate of evaporation of a liquid after…a. a decrease in temperature b. an increase in the surface area of a
1. 1 answer
2. asked by Sophie
3. 598 views
weighted coin has property that heads comes up 60 percent of time. two flips of coin is it more likely that outcome from two
1. 1 answer
2. asked by Bob
3. 593 views
Write an equation for the combustion of one mole of benzene, C6H6(l), and use data from Appendix D to determine delta G degrees
1. 0 answers
2. asked by Ashely
3. 570 views
Numerous times is history, the courts have issued consent decrees requiring large companies to break up into smaller competing
1. 2 answers
2. asked by Carol
3. 568 views
Ida and Ron make doughnuts for the Homestyle Bakery. The order for Tuesday is two trays of glazed doughnuts and one tray of
1. 1 answer
2. asked by Jasmine
3. 556 views
In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm
1. 0 answers
2. asked by Sam
3. 555 views
How can you charge an object negatively with only the help of a positively charged object?
1. 0 answers
2. asked by Nicole
3. 539 views
from an ordinary deck of 52 cards, a single card is selected random. what is the probability that it is a 10 or red card?
1. 2 answers
2. asked by kamleen
3. 530 views
The Federal Reserve board of governors has power to raise or lower short-term interest rates. Between 2005 and 2006, the fed
1. 0 answers
2. asked by Carmen
3. 527 views
You are graduating in September and would like to start your own business making wine coolers. You collect the following
1. 1 answer
2. asked by RICKY
3. 524 views
A railroad car with a mass of 2000kg is rolling at a speed of 15m/s. What force would be required to stop the car in 10 seconds?
1. 1 answer
2. asked by Ariel
3. 519 views
calculate the heat required to raise the temperature of 1.00 L of water from 17.0 degrees celcius to the boiling point
1. 1 answer
2. asked by allison
3. 517 views
I am trying to identify four key milestones in cognitive psychology
1. 1 answer
2. asked by Nachelle
3. 516 views
how many moles of Ba(OH)2 are present in 225ml of 0.400 Ba(OH)2
1. 2 answers
2. asked by ida
3. 515 views
if a car were to travel exactly one mile ,one of its tires would make 830 revolutions.Find the radius of the tire in inches.
1. 2 answers
2. asked by rally
3. 515 views
How did the oil pipeline leak in the Gulf Coast that caused this 84-day oil spill? I hope this issue will be solved soon.
1. 1 answer
2. asked by AL 92
3. 513 views
The Federal Reserve board of governors has power to raise or lower short-term interest rates. Between 2005 and 2006, the fed
1. 0 answers
2. asked by Carmen
3. 509 views
4. First Case Manufacturing Company has annual payroll of $100,000. Voluntary contribution are allowed in the State where this
1. 0 answers
2. asked by Jennifer
3. 501 views
I would be very greateful if any one correct this sentence/improvement.Before holding any task, we should develop good character
1. 2 answers
2. asked by Ramesh Reddy
3. 498 views
Hi,I have a exponential model of P = 5.3 x (1.11)^t. I need to use this model to predict when a bird population will first
1. 1 answer
2. asked by May
3. 498 views
calculate [H30+],pH,[OH-] and pOH for .025 M nitric acid (HNO3)??
1. 1 answer
2. asked by Anonymous
3. 487 views
Are these complete?m^2 + 4mn +4n^2 = (m + 2n)(m+2n) 3x^3y^2 – 3x^2y^2 + 3xy^2 = 3xy(x^2y – xy + y) Thank you
1. 1 answer
2. asked by JT
3. 481 views
You are graduating in September and would like to start your own business making wine coolers. You collect the following
1. 0 answers
2. asked by RICKY
3. 480 views
the withdrawal is to be $500 per month for 36 months at 10% compounded monthly, find the present value of annuity.
1. 1 answer
2. asked by sha
3. 475 views
8a^2 + 40ab+ 50b^2 = 2(4a^2 +20ab +25b^2)= 2(2a + 5b)^2 How is this a perfect square?
1. 1 answer
2. asked by JT
3. 474 views
mechanistic inteactionism vs. reciprocal interactionism?
1. 1 answer
2. asked by Susan
3. 474 views
Hi, I have to use algebra to find the coordinates of the point where two lines intersect, the first line passes through the
1. 2 answers
2. asked by Tan
3. 468 views
I think that for energy of a spring I should use (1/2)(k)(x^2) and (1/2)(m)(v^2) but i'm not sure what to do with the equations
1. 1 answer
2. asked by Brianna
3. 465 views
a pathology report shows adenocarcinoma. what type of info should also appear on report?
1. 2 answers
2. asked by pam baker
3. 461 views
3m^3 + 27m = 3m(m^2 + 9)= 3m(m + 3)(m – 3) I miss something? is this complete?
1. 2 answers
2. asked by JT
3. 459 views
what does it mean when it says 'write a precis of the poem.'what is a precis?
1. 1 answer
2. asked by amanda
3. 440 views
i asked about stationary points which came out at (x-3) and (x+1)i am now trying to use the first derivative test to classify
1. 1 answer
2. asked by Pd
3. 439 views
Please do not keep posting the same question multiple times.
1. 1 answer
2. asked by Ms. Sue
3. 436 views
Solve using elimination.......answers must be in ordered pair form....(this is the last one I am confused on)4x-9y=6.5
1. 1 answer
2. asked by Michelle
3. 427 views
If you did not know whether brown or yellow alleles were dominant in corn, how could you tell with reasonable certainty? If you
1. 1 answer
2. asked by Laura
3. 425 views
siplify the expression 1/4(6b +2) - 2/3(3b-2)
1. 2 answers
2. asked by anita
3. 423 views
Numerous times is history, the courts have issued consent decrees requiring large companies to break up into smaller competing
1. 0 answers
2. asked by carrie
3. 417 views
16÷(-2)◦(-4)______________ 2³+ 4 16÷8 _______ 8 + 4 2 = 1 12 6 There is supposed to be a line under the first part of the
1. 0 answers
2. asked by barb
3. 417 views
• How does studying social institutions help sociologists understand society?
1. 1 answer
2. asked by Kevin
3. 412 views
The quadratic relation Ax^2 +Cy^2 +Dx + Ey + F is graphed. the values of the x-intercepts of the graph are dependant on the
1. 1 answer
2. asked by sam
3. 411 views
if a set of index cards are labeled with the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9, 10. one card is drawn, find the probability that
1. 1 answer
2. asked by carrie
3. 407 views
how do you write an expression for "three times the difference of a number "x" and5."
1. 1 answer
2. asked by robert
3. 396 views
looking for an in-text citation for impressionism.
1. 0 answers
2. asked by Tim
3. 392 views

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