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2012
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March 4, 2012
Rank the average gravitational forces from greatest to least between:A. Sun and Mars.B. Sun and the Moon.C. Sun and Earth.
i
8 answers
asked by
Christie
6,313 views
Emily holds a banana of mass m over the edge of a bridge of height h. She drops the banana and it falls to the river below. Use
5 answers
asked by
Mrs G
4,795 views
Two crates , one with mass 4.00 kg and the other with 6.00 kg, sit on the frictionless surface of a frozen pond, connected by a
3 answers
asked by
evelyn
4,434 views
If a trapeze artist rotates once each second while sailing through the air and contracts to reduce her rotational inertia to
2 answers
asked by
Christie
4,063 views
A plane is flying at an altitude of 12,000 feet and is preparing to land at a nearby airport. The angle from the airport to the
2 answers
asked by
Valentino
3,408 views
At a certain time, a verical pole 10 feet tall casts a 14-foot shadow. What is the angle of elevation of the sun to the nearest
1 answer
asked by
Valentino
3,269 views
Jack Kerouac gave the Beat Generation their name because he claimed that his generation of writers was beaten down by (pick one)
10 answers
asked by
LAYLA
3,018 views
The concentration C(t), in milligrams per cubic centimetre, of a certain medicine in a patient's bloodstream is given by C(t)=
1 answer
asked by
Jake
3,001 views
The equilibrium constant, Kc for the system,
CaO(s) + CO2(g) == CaCO3(s), is A. Kc = (CaO) (CO2) / (CaCO3) B. Kc = (CO2) C. Kc =
2 answers
asked by
Hannah
2,594 views
In raising a 4000-N piano with a pulley system, the workers note that for every 1.6 m of rope pulled downward, the piano rises
2 answers
asked by
Mrs G
2,357 views
Consider the curves y = x^2and y = mx, where m is some positive constant. No matter what positive constant m is, the two curves
1 answer
asked by
John
2,347 views
calculate the standard enthalpy change for each of the following reactions. N2O4(g)+4H2(g)=N2(g)+4H2O(g)
1 answer
asked by
karen
2,318 views
The reaction, 2 SO3(g) == 2 SO2(g) + O2(g) is endothermic.
Predict what will happen if the temperature is increased. A. the
1 answer
asked by
Hannah
2,123 views
which of the following represent a buffer system?
A.) NaOH and NaBr B.) HF and NaF C.) HC2H3O2 and C12H22O11 D.) HCl and KOH
1 answer
asked by
dylan
2,076 views
Two horse pull horizontally on ropes attached to a stump. The two forces f1 and f2 that they apply to the stump are such that
4 answers
asked by
evelyn
1,983 views
At a given instant in time, a 10-kg rock is observed to be falling with an acceleration of 7.0 m/s2. What is the magnitude of
1 answer
asked by
Jermaine
1,902 views
2NO(g) + Br2(g) -> 2NOBr(g)
What is the rate equation? My answer is k[NO]2[Br2] Is this correct? Thank you!!!!
3 answers
asked by
Hannah
1,769 views
A sample of gas at 47 C and 1.03 atm occupies a volume of 2.20 L. What volume would this gas occupy at 107 C and 0.789 atm?
1 answer
asked by
Anna
1,750 views
To tighten a bolt, you push with a force of 72 N at the end of a wrench handle that is 0.26 m from the axis of the bolt.What
3 answers
asked by
Christie
1,656 views
A pendulum with 1kg weight is set in motion from a position .04 m above the lowest point on the path of the weight. What is the
1 answer
asked by
Ryley
1,654 views
Here are some statistics using GSS 2008 data:
RACE OF RESPONDENT n 2023 Mean 1.32 Median 1.00 Mode 1.00 Standard deviation 0.631
2 answers
asked by
stewie
1,573 views
How do i determine the mass of ice initially in the calorimeter when dry saturated steam is passed into 250g of a mixture of ice
1 answer
asked by
Emmanuel
1,562 views
The fuel efficiency, E, in litres per 100 km, for a car driven at speed v, in km/h is E(v)=1600v/(v^2+6400).
a) Determine the
1 answer
asked by
Jake
1,301 views
A 5 kg magnet exerts a constant force of 3 N on a 0.25 kg magnet. What force will the smaller magnet exert on the larger magnet?
1 answer
asked by
Anonymous
1,287 views
An object moves in a straight line. Its velocity, in m/s, at time t is v(t)=4t^2/(1+t^2),t≥0.
Determine the maximum and minimum
2 answers
asked by
Jake
1,258 views
Did you hear about the novice water polo player who..??
2 answers
asked by
Jar
1,246 views
A sporting goods store sells 100 pool tables per year. It costs $20 to store one pool table for a year, based on the average
0 answers
asked by
Casey
1,245 views
A major league pitcher can throw a baseball in excess of 41.3 m/s.
If a ball is thrown horizontally at this speed, how much will
0 answers
asked by
Anonymous
1,193 views
I'm conducting a research paper about financial crisis of 2008 and would like some input. Which is better, regulating banks or
1 answer
asked by
yuri
1,185 views
Arrange the species O2, O2^+, O2^-, and O2^2- in order of increasing O-O bond length.
1 answer
asked by
Jimmy
1,183 views
A 5 kg magnet exerts a constant force of 3 N on a 0.25 kg magnet. What force will the smaller magnet exert on the larger magnet?
0 answers
asked by
Anonymous
1,165 views
I completed a lab to find the determination of Kc. I have to find the concentrations of reactants at equilibrium using an ICE
1 answer
asked by
Hannah
1,141 views
When sampling is done for the proportion of defective items in a large shipment, where the population proportion is 0.18 and the
4 answers
asked by
Jackie
1,116 views
How many grams of ice at -11.2 degrees C can be completely converted to liquid at 29.8 degrees C if the available heat for this
1 answer
asked by
Lauren
1,109 views
1. Determine the truth value of the following statement:
Rome is a city in France or all numbers are divisible by 1. True False
1 answer
asked by
diena
1,098 views
Jay and Tia are planning to buy snack chips.
• Individual bags of chips cost $3.00 each. • Each case of chips contains 10
5 answers
asked by
Frances
1,093 views
An athlete wants to finish a 5K face in 25 minutes. If she runs at a constant speed of 3.4 m/s, will she meet her goal?
2 answers
asked by
Emma
1,091 views
A buffer is prepared by adding 300.0 mL of M NaOH to 400.0 ML of 2.0 M CH3COOH. What is the pH of this buffer? ks=1.8X10^-5
1 answer
asked by
Daniel
1,084 views
Thank you, Writeacher.
Here are some other sentences I need you to check. 1) Your paragraphs show a poor knowledge of grammar as
1 answer
asked by
Henry
1,082 views
my sister still be sick so i still helping her post questions.
i write paragraph from her textbook that go with question.
4 answers
asked by
Mohammad
1,078 views
If the radius of the Earth somehow bloated to twice its size, with no changes in mass, your weight at the Earth's new surface
1 answer
asked by
Christie
1,069 views
In 1 mole of CaCl2 there are ____ moles of chloride ions.
A. 1 B. 2 C. 0.5 D. None of these
3 answers
asked by
Ashley
1,066 views
Tree stands 25 feet tall and 15 feet wide base 7.5 feet . You want to hang strings of lights from top to bottom on the outside.
1 answer
asked by
kim
1,050 views
Which age groups benefit from physical activity?
A. Children B. Middle aged adults C. Older adults D. All of the above d
5 answers
asked by
desha
1,048 views
John drives to work each morning and the trip takes an average of µ = 38 minutes. The distribution of driving times is
0 answers
asked by
gina
1,046 views
what is the density of a sample of 65.0 ml of automobile oil having mass of 59.82 g
2 answers
asked by
yvette
1,045 views
you've been hired as the inpatient coderin the hospital's health information management department.Explain how your job will
0 answers
asked by
anah
1,044 views
a square has sides of 9 inches. A second square is going to be drawn with a scale factor of 3. What is the area of the second
1 answer
asked by
vanessa
1,035 views
What is premature death?
A. Dying at the average age of death for a specific population group B. Dying after the average age of
1 answer
asked by
desha
1,024 views
For the reaction, 2 SO2(g) + O2(g) == 2 SO3(g), at 450.0 K (Kelvin) the equilibrium constant, Kc, has a value of 4.62. A system
1 answer
asked by
Hannah
997 views
ABCD is a quadrilateralwith vertices A(2;5),B(-3;10),C(-4;3) and D(1;-2).then show that BD and AC bicect each at right angles at
1 answer
asked by
ntwadibe
996 views
Write the net ionic equation for the precipitation reaction between ammonium sulfide and cadmium nitrate.
2 answers
asked by
Bria
980 views
True or false? Constitutional isomers and conformations have the same molecular formula.
0 answers
asked by
krystal
956 views
In XYZ, what is the cosine ratio of <X?
0 answers
asked by
Valentino
954 views
1-The roots of x2 - 6x + m - 3=0 are x1 and x2.If 2x1 - 3x2= 2 is given, find m?
2-Given the inequalities x-2 ______ < 0 and x2 -
1 answer
asked by
Denise
947 views
Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false
1 answer
asked by
Student
946 views
If u = log(r), where r^2 = (x-a)^2 + (y-b)^2, and (x-1) and (y-b) are not zero simultaneously, show that d^2u/dx^2 + d^2u/dy^2 =
1 answer
asked by
Bryant
939 views
A hockey puck with mass 0.160 kg is at rest at the origin (X = 0)a player applies a force of 0.250 N to the puck, parallel to
1 answer
asked by
evelyn
929 views
Consider the following electron configuration.
(σ3s)2 (σ3s*)2 (σ3p)2 (π3p)4 (π3p*)4 Select four species that, in theory,
0 answers
asked by
Sarah
918 views
Two rectangles are similar the ratio of the lengths of their corresponding sides is 1:2 find the ratio of the peremeters of the
1 answer
asked by
Anonymous
911 views
use properties of logarithms to find the exact value of the expression. sqrtlog81 3
0 answers
asked by
Tammy
891 views
Question:
Which 2 answers are correct? Which is not and why? 1. Sorry, I can't. I'm seeing my grandmother. 2.Sorry, I can't. I'm
2 answers
asked by
Mark
871 views
Did the United States win the war for the Allied Powers? Discuss the American contribution to the war effort and evaluate its
2 answers
asked by
Jason
849 views
When standing erect a person's weight is supported chiefly by the larger of the two leg bones. Assuming this bone to be a hollow
1 answer
asked by
Brittnieee.
845 views
the shadow of a tree is 8 feet long. How long of a shadow does a 6 foot man cast?
1 answer
asked by
Dione
834 views
If you used the rule (1/2x,1/2y)to to transform the original figure,how would the angles and sidelengths compare.
0 answers
asked by
elbert
820 views
A 25.00 mL sample of H3PO4(aq) requires 31.05 mL of 0.2410 M KOH for titration to the second equivalence point.
What is the
1 answer
asked by
Chris
818 views
write the conjugate acid for the following:
A.) NO3- = B.) HPO4^2- = C.) Br- = D.) S2- =
1 answer
asked by
dylan
816 views
A sporting goods store sells 100 pool tables per year. It costs $20 to store one pool table for a year, based on the average
1 answer
asked by
Casey
808 views
An object moves in a straight line. Its velocity, in m/s, at time t is v(t)=4t^2/(1+t^2),t≥0.
Determine the maximum and minimum
2 answers
asked by
Jake
795 views
The frequency of a radio transmitter is 90 megahertz. What is its wavelength?
2 answers
asked by
Linda
790 views
Arrange the species O2, O2^+, O2^-, and O2^2- in order of increasing O-O bond length.
0 answers
asked by
Jimmy
785 views
Suppose that the marginal revenue for a product is given by the following, where x is the number of units and revenue is in
1 answer
asked by
Preet
785 views
if cot(x-10)=tan(4x) what does x equal?
1 answer
asked by
Ali
771 views
To tighten a bolt, you push with a force of 72 N at the end of a wrench handle that is 0.26 m from the axis of the bolt.What
1 answer
asked by
Christie
770 views
Choose the type of shape that best matches to CH4.
Linear Trigonal planar Bent Tetrahedral Pyramidal
1 answer
asked by
krystal
770 views
Find the limit, if it exists, or show that the limit does not exist. lim of x+y/y^2-x^2 as (x,y) approaches the point (-1,1).
1 answer
asked by
Anonymous
749 views
For the reaction system, 2 H2O(g) + O2(g) == 2 H2O2 (g), the equilibrium concentrations are
(H2O2) = 0.120 M; (H2O) = 0.860 M;
5 answers
asked by
Hannah
745 views
Determine the genotypes of the parents.
One parent has AB blood and the other has type B, but the children, 25% are type A, 25%
0 answers
asked by
Rebecca
740 views
Exercise can help prevent _________.
A. Heart disease B. Colorectal cancer C. Type 2 diabetes D. All of the above d
1 answer
asked by
desha
728 views
A physics student playing with an air hockey table (a frictionless surface) finds that if she gives the puck a velocity of 5.30
0 answers
asked by
Nick
720 views
How many deciliters of carbon dioxde are produced when 0.38L SO2 is formed?
1 answer
asked by
Lety
718 views
Given that a sample is approximately bell-shaped with a mean of 60 and a standard deviation of 3, the approximate percentage of
1 answer
asked by
Ashley
711 views
Words are :
A . Convenient Communication shortcuts B .Not arbitrary symbols C .Unique to each individual in English D .Thoughts
5 answers
asked by
Ade
711 views
A rescue airplane is flying horizontally at a height of 3.0 km with a speed 272 m/s when it releases a package of emergency food
0 answers
asked by
Anonymous
704 views
Hey. I was just wondering if anybody on here has been to teenink. I can't post the website but if you Google teen ink, it takes
3 answers
asked by
running.from.myself
700 views
Four friends together earned 128 mowing lawns. After paying an amount g for gasoline, they shared the money equally. Which
1 answer
asked by
Jim
698 views
a flagpole cast a shadow that is 26ft long. At the same time, a yardstick cast a shadow that is 4ft long. How tall is the
1 answer
asked by
nick
692 views
Which of these three produces a greater tidal effect on you right now—the moon, the Earth, or the sunA) The sun.B) The
0 answers
asked by
Christie
689 views
Assume that the Earth is spherical and recall that latitudes range from 0° at the Equator to 90° N at the North Pole. Consider
2 answers
asked by
rachel
684 views
Hot air balloons require large amounts of both hot air and fabric material. A hot air balloon is spherical with a diameter of 25
1 answer
asked by
kim
683 views
a car traveling on a straight road accelerates uniformly at a meter per second square from its initial speed of 20 meter per
0 answers
asked by
maha
683 views
what time do restaurants open and close in Mexico? I'm making a menu for a restaurant in Mexico and I need to know what time it
1 answer
asked by
jocelyn
679 views
A rescue airplane is flying horizontally at a height of 3.0 km with a speed 272 m/s when it releases a package of emergency food
0 answers
asked by
Anonymous
678 views
Thank you for the explanation MathMate! Would the answer to this question be A?
Darby guesses the answers to six questions on the
2 answers
asked by
Student
676 views
Loan Mixture: A student takes out a total of $5000 in three loans: one subsidized, one unsubsidized, and one from the parents of
1 answer
asked by
HELP NEEDED
676 views
Assume that the Earth is spherical and recall that latitudes range from 0° at the Equator to 90° N at the North Pole. Consider
2 answers
asked by
rachel
665 views
Identify the following gas compression descriptions as adiabatic, isothermal or isobaric.
a. As the gas compresses, the internal
1 answer
asked by
GRISSELL
664 views
write the conjugate base for the following:
A.) HCN= B.) HPO4^2- = C.) NH4+ = D.) HC2H3O2=
1 answer
asked by
dylan
661 views
Yesterday, at a local restaurant, 60% of the customers ordered a burger.
If 42% of the customers ordered a burger and fries, what
1 answer
asked by
SAM
657 views
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