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2010
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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
2 answers
asked by
Adriana
6,100 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 answer
asked by
Amanda
3,911 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
5 answers
asked by
Sara
3,725 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 answer
asked by
Sam
3,705 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 answer
asked by
Dillon
3,572 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 answer
asked by
Emoni
3,212 views
PLEASE ANSWER VERY SOON I AM STUCK!
Crystalline silicon has a cubic structure. The unit cell edge length is 543 pm. The density
2 answers
asked by
Kendra
3,156 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
2 answers
asked by
anonymous
3,082 views
which of the following statements is true regarding electromagnetic radiation?
Options: 1. electromagnetic radiation with a
2 answers
asked by
Ally
3,034 views
can you help me find cos 2x if sin x = -12/13 (x in 3rd quadrant)
1 answer
asked by
steve
2,154 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 answer
asked by
Stuck
2,064 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 answer
asked by
Emoni
1,603 views
In the figure below, three ballot boxes are connected by cords, one of which wraps over a pulley having negligible friction on
0 answers
asked by
Sam
1,569 views
On December 26, 2004, a great earthquake occurred off the coast of Sumatra and triggered immense waves that killed hundreds of
1 answer
asked by
Anonymous
1,549 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
4 answers
asked by
Jay
1,339 views
Transaltion from Latin to English:
Aeneas, dum ex urbe effugit, senem portat. Senex est Anchises, pater Aeneae. Portare Anchisen
0 answers
asked by
Nicky
1,262 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.
3 answers
asked by
Jay
1,258 views
Timber companies in the United States cut down many trees on publicly owned land and many trees on privately owned land. Discuss
1 answer
asked by
Anonymous 2
1,217 views
Four roommates are planning to spend the weekend in their dorm room watching old movies, and they are debating how many to
1 answer
asked by
Anonymous 2
1,185 views
Four roommates are planning to spend the weekend in their dorm room watching old movies, and they are debating how many to
1 answer
asked by
Anonymous 2
1,156 views
Just WHO IS DRBOB222? AND WHY ARE YOU SO AMAZING? PLEASE TELL US MORE ABOUT YOURSELF!
9 answers
asked by
Sam
1,111 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 answer
asked by
Ariel
1,086 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 answer
asked by
Phillip
1,076 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 answer
asked by
JESSICA MARSH
1,041 views
Determin the points of intersection algebraically :
f(x)=-x(squared) +6x-5, g(x)=-4x+19
1 answer
asked by
Kerry
1,014 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:
.
5 answers
asked by
laila
1,005 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
4 answers
asked by
Sam
1,004 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
12 answers
asked by
bria
978 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 answer
asked by
barb
975 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°
0 answers
asked by
Sam
953 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 answer
asked by
rally
947 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 answer
asked by
Anonymous
947 views
what is the distance between the points (-1,7) and (5,7)?
3 answers
asked by
pavleen
946 views
A two-tailed hypothesis test at the 5 percent level of significance (£\ = .05) is exactly equivalent to asking whether the 95
1 answer
asked by
mel
909 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 answer
asked by
Nicole
888 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
3 answers
asked by
Sam
875 views
what is the energy of a 606 nm photon emitted from a light source?
Answer in units of J.
3 answers
asked by
Nicole
864 views
You are interested in purchasing a new minor league baseball franchise. The franchise will be located in your area. To reduce
1 answer
asked by
Amanda
844 views
1. At some automobile toll-collecting stations, a thin metal wire sticks up from the road and makes contact with cars before
1 answer
asked by
Nicole
840 views
Can someone help me Pleaseeeee….on a writing assignment? I need to write introduction paragraphs on these Topics…My title:
2 answers
asked by
shawna
831 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 answer
asked by
Christy
818 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
3 answers
asked by
Ally
792 views
what is the main difference b/w emergency care and first aid
a.severity of the condition being treated b.person performing the
3 answers
asked by
anjie
781 views
Your best taxable investment opportunity has an EAR of 4%. Your best tax-free investment opportunity has an EAR of 3%. If your
0 answers
asked by
Jay
771 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 answer
asked by
Jan
753 views
Calculate the power output of a 1.5 fly as it walks straight up a windowpane at 2.2
P=__W (2 sig figs)
2 answers
asked by
Brittany
744 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 answer
asked by
Ashely
736 views
Calculate the power output of a 1.5 fly as it walks straight up a windowpane at 2.2
2 sig figs P= ___W
1 answer
asked by
Brittany
728 views
You are graduating in September and would like to start your own business making wine coolers. You collect the following
1 answer
asked by
RICKY
720 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
3 answers
asked by
Leslie
710 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
6 answers
asked by
Kate
694 views
after twelve monthly deposits of $400 at 12% compounded monthly, find the amount of an annuity.
please help me:(
1 answer
asked by
sha
686 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 answer
asked by
Anonymous
664 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
2 answers
asked by
stef
662 views
you find out that your aunt works for a defense manufactuing compnay that has several defense contracts with the government. she
1 answer
asked by
Anonymous
662 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 answer
asked by
Sam
657 views
Which phrase best describes Samuel Pepys's personality, judging from the Diary excerpts you read?
A.a caring, social man with
1 answer
asked by
Cody
651 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 answer
asked by
Sophie
644 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 answer
asked by
Bob
637 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
0 answers
asked by
Ashely
625 views
Numerous times is history, the courts have issued consent decrees requiring large companies to break up into smaller competing
2 answers
asked by
Carol
604 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 answer
asked by
Jasmine
597 views
In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm
0 answers
asked by
Sam
596 views
The Federal Reserve board of governors has power to raise or lower short-term interest rates. Between 2005 and 2006, the fed
0 answers
asked by
Carmen
576 views
How can you charge an object negatively with only the help of a positively charged object?
0 answers
asked by
Nicole
572 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?
2 answers
asked by
kamleen
571 views
The Federal Reserve board of governors has power to raise or lower short-term interest rates. Between 2005 and 2006, the fed
0 answers
asked by
Carmen
565 views
You are graduating in September and would like to start your own business making wine coolers. You collect the following
1 answer
asked by
RICKY
558 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 answer
asked by
Ariel
558 views
I am trying to identify four key milestones in cognitive psychology
1 answer
asked by
Nachelle
558 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 answer
asked by
allison
556 views
how many moles of Ba(OH)2 are present in 225ml of 0.400 Ba(OH)2
2 answers
asked by
ida
546 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.
2 answers
asked by
rally
546 views
I would be very greateful if any one correct this sentence/improvement.
Before holding any task, we should develop good character
2 answers
asked by
Ramesh Reddy
541 views
4. First Case Manufacturing Company has annual payroll of $100,000. Voluntary contribution are allowed in the State where this
0 answers
asked by
Jennifer
541 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 answer
asked by
May
538 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 answer
asked by
AL 92
537 views
the withdrawal is to be $500 per month for 36 months at 10% compounded monthly, find the present value of annuity.
1 answer
asked by
sha
524 views
8a^2 + 40ab+ 50b^2 = 2(4a^2 +20ab +25b^2)
= 2(2a + 5b)^2 How is this a perfect square?
1 answer
asked by
JT
520 views
calculate [H30+],pH,[OH-] and pOH for .025 M nitric acid (HNO3)??
1 answer
asked by
Anonymous
520 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 answer
asked by
JT
517 views
You are graduating in September and would like to start your own business making wine coolers. You collect the following
0 answers
asked by
RICKY
513 views
Hi, I have to use algebra to find the coordinates of the point where two lines intersect, the first line passes through the
2 answers
asked by
Tan
510 views
mechanistic inteactionism vs. reciprocal interactionism?
1 answer
asked by
Susan
503 views
a pathology report shows adenocarcinoma. what type of info should also appear on report?
2 answers
asked by
pam baker
502 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 answer
asked by
Brianna
499 views
3m^3 + 27m = 3m(m^2 + 9)
= 3m(m + 3)(m – 3) I miss something? is this complete?
2 answers
asked by
JT
498 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 answer
asked by
Pd
477 views
Please do not keep posting the same question multiple times.
1 answer
asked by
Ms. Sue
475 views
what does it mean when it says 'write a precis of the poem.'
what is a precis?
1 answer
asked by
amanda
472 views
Numerous times is history, the courts have issued consent decrees requiring large companies to break up into smaller competing
0 answers
asked by
carrie
462 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 answer
asked by
Michelle
458 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 answer
asked by
Laura
457 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 answer
asked by
sam
456 views
siplify the expression 1/4(6b +2) - 2/3(3b-2)
2 answers
asked by
anita
453 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
0 answers
asked by
barb
444 views
• How does studying social institutions help sociologists understand society?
1 answer
asked by
Kevin
438 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 answer
asked by
carrie
433 views
is 9x^2-36x+25 a perfect square?
the answer is no
1 answer
asked by
Jetta
421 views
components of health communication
0 answers
asked by
Jama
420 views
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