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Questions Asked on September 14, 2014

Scientists want to place a 3300 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 2.2
1. 1 answer
2. asked by paula
3. 6,283 views
In each situation s below , it seems that a new substance may have been produced. Explain why each situation represents a
1. 3 answers
2. asked by Sally
3. 5,212 views
What is the answer to page 31 of pre-algebra with pizzazz (what do hair dressers do?) ?
1. 30 answers
2. asked by Hanna
3. 5,125 views
A tennis ball is shot vertically upward in an evacuated chamber inside a tower with an initial speed of 20.0 m/s at time t = 0
1. 1 answer
2. asked by S
3. 4,763 views
Why is CH 4 nonpolar whereas CH 3 Cl is polar?
1. 1 answer
2. asked by M
3. 4,749 views
A race car completes a lap on a 1600 m long track with an average speed of 250 km/h. If the car's average speed on the first
1. 2 answers
2. asked by superdude
3. 4,014 views
The molar enthalpy of solution for ammonium chloride is 14.8kJ/mol. What is the final temperature observed when 20.0g of
1. 3 answers
2. asked by Han
3. 3,796 views
To what temperature must you raise a copper wire, originally at 20.0°C, to double its resistance, neglecting any changes in
1. 3 answers
2. asked by Jane
3. 3,793 views
Find how much interest $25,000 earns in 4 years in a certificate of deposit paying 8.5% interest compounded quarterly.
1. 5 answers
2. asked by Josh
3. 3,785 views
when you are comparing two sets of data, and one set is strongly skewed and the other is symmetric, which measures of the center
1. 4 answers
2. asked by jojo
3. 3,572 views
A truck loaded with cannonball watermelons stops suddenly to avoidrunning over the edge of a washed-out bridge. The quick stop
1. 1 answer
2. asked by awadhesh
3. 3,509 views
An angle with a measure of 89.9 degrees... Would it be a right or an acute angle?
1. 7 answers
2. asked by Anonymous
3. 3,177 views
1. Explain the signifigance of the Twelve Tables and the Law of Nations to the development of political thought?A: The
1. 6 answers
2. asked by Victoria
3. 2,952 views
5. A team of scientists is testing a new drug on AIDS patients. They expect patients to develop fewer AIDS-related illnesses
1. 2 answers
2. asked by Clare
3. 2,884 views
What is the electronegativity difference for a bond between potassium and iodine?A. 3.3 B. 0.4 C. 4.6 D.1.7
1. 2 answers
2. asked by Emiko
3. 2,805 views
Two polynomials P and D are given. Use either synthetic or long division to divideP(x) by D(x),and express the quotient
1. 2 answers
2. asked by Jose
3. 2,726 views
how could you rewrite the expression (3+5)+8 using the Associative property of addition
1. 2 answers
2. asked by jeremiah
3. 2,705 views
A sum of money becomes 8/5 of itself in 5 years at certain rate of simple interest. Find the rate of interest.
1. 3 answers
2. asked by suneetha
3. 2,701 views
A model rocket is launched upward with an initial velocity of 200 feet per second. The height, in feet, of the rocket t seconds
1. 1 answer
2. asked by Nate
3. 2,683 views
What is the cell structure involved in photosynthesis and respiration?What is the starting materials and raw materials of
1. 3 answers
2. asked by ANON :)
3. 2,552 views
What is the velocity of an electron that has a de Broglie wavelength approximately the length of a chemical bond? Assume this
1. 2 answers
2. asked by Anonymous
3. 2,530 views
Two charges lie on the x axis, +3q at the origin, and -2q at x = 5.0 m. The point on the x axis where the electric potential has
1. 1 answer
2. asked by Marilly
3. 2,416 views
Find a polynomial with integer coefficients that satisfies the given conditions.P has degree 2 and zeros 2 + i and 2 − i.
1. 1 answer
2. asked by Drue
3. 2,356 views
While riding in a hot air balloon, which is steadily descending at a speed of 1.39 m/s, you accidentally drop your cell phone.(a
1. 2 answers
2. asked by Dann
3. 2,217 views
What sources inspired the Renaissance thinkers?A: Renaissance thinkers were inspired by a new vision of the world and the value
1. 2 answers
2. asked by Victoria
3. 2,189 views
A force of 20N is applied to a mass of 5kg resting on a rough horizontal surface. If the friction force is 5N, what is the
1. 2 answers
2. asked by Jessica
3. 2,082 views
How many joules of energy per kilogram of rest mass are needed to bring a spacecraft from rest to a speed of 0.77c?
1. 1 answer
2. asked by Tom
3. 2,022 views
Explain how the qualities of a "Renaissance man" reflected the political and social values of the Renaissance.A: ?
1. 7 answers
2. asked by Victoria
3. 2,019 views
A former student of mechanics wishes to weigh himself but has access only to a scale A with capacity limited to 100 lbs and a
1. 1 answer
2. asked by Bryan
3. 1,981 views
The length of a rectangle is five less than three times its width. Find the dimensions of the rectangle if its area is 782.I get
1. 1 answer
2. asked by chango
3. 1,966 views
how many liters of ethanol contain 1.5 kg of ethonal?
1. 1 answer
2. asked by Val
3. 1,910 views
A light–rail commuter train draws 645 A of 590–V DC electricity when accelerating. What is its power consumption rate in
1. 1 answer
2. asked by Joe
3. 1,859 views
Grant stands 3 meters from the check out at the grocery store holding a 20N bag of potatoes for 10 minutes. How much work does
1. 4 answers
2. asked by Chloe
3. 1,836 views
A speeder passes a parked police car at aconstant speed of 25.8 m/s. At that instant, the police car starts from rest with a
1. 2 answers
2. asked by Mar
3. 1,814 views
If you like to snow ski, then you will like Colorado. If you like to wakeboard, then you will like Florida.
1. 2 answers
2. asked by Marcia
3. 1,777 views
In order to pass a physical education class at a university, a student must run 1.0 mi in 12.5 min. After running for 10.0 min
1. 3 answers
2. asked by Charles
3. 1,688 views
Question 4.4. Which is true about a rotation? (Points : 1)The image and preimage are congruent. The image overlaps the preimage.
1. 3 answers
2. asked by Ash
3. 1,602 views
A current of 1 A is maintained in a simple circuit with a total resistance of 2.5 Ω. How much heat is generated in 4.0 s?
1. 3 answers
2. asked by Joe
3. 1,601 views
A dart is thrown horizontally with an initial speed of 14 m/s toward point P, the bull's-eye on a dart board. It hits at point Q
1. 1 answer
2. asked by AJ
3. 1,600 views
Find all solutions of the equation and express them in the form a+bi2x^2+3=2x
1. 1 answer
2. asked by Jake
3. 1,524 views
For the decompostion of gaseous dinitrogen pentaoxide, 2N2O5(g)--->4NO2(g) +O2(g) . The rate constant is k=2.8 x 10^-3 at 60
1. 1 answer
2. asked by sabrina
3. 1,511 views
If the edge length of an NaH unit cell is 488pm, what is the length (in picometers) of an Na−H bond? Na−H has face-centered
1. 2 answers
2. asked by Joe
3. 1,502 views
A driver brings a car traveling at 22m/s to a full stop in 2 seconds. How fast does the car uniformly decelerate?
1. 1 answer
2. asked by Spencer
3. 1,495 views
A square conducting slab with 7 m sides carries a net charge of 89 mu or micro CC.what is the electric field?
1. 1 answer
2. asked by jasmine
3. 1,493 views
Help me unscramble the words acnsrl spgei
1. 5 answers
2. asked by Larry
3. 1,435 views
Two men are carrying a girl on a large plank that is 10m long and weights 200N. If the girl on a plank weighs 445N and sits 3m
1. 4 answers
2. asked by Clangclang
3. 1,426 views
It has been suggested, and not facetiously, that life might have originated on Mars and been carried to Earth when a meteor hit
1. 1 answer
2. asked by Anonymous
3. 1,409 views
A river flows with a uniform velocity v. A person in a motorboat travels 1.11km upstream, at which time she passes a log
1. 0 answers
2. asked by jack
3. 1,401 views
Students were divided into eight teams with nine on each team. Later, the same students were divided into teams with six on each
1. 2 answers
2. asked by Kali G
3. 1,366 views
A motorboat left a harbor and traveled to an island at an average rate of 18 knots. The average speed on the return trip was 10
1. 2 answers
2. asked by ana
3. 1,356 views
Calculate the energy needed to accelerate a spaceship of mass 10,000 kg to a speed of 0.3c for intergalactic space exploration.
1. 2 answers
2. asked by Derick
3. 1,353 views
XYZ are three points on a straight road.A car passes X with a velocity of 5m/s.It travels from X to Y with a constant
1. 1 answer
2. asked by Kosy
3. 1,336 views
A boy is flying a kite on a string 33m long. The string which is being held at 1.5m above the ground, makes an angle of 39* with
1. 1 answer
2. asked by Ryan
3. 1,333 views
How did King Henry II's goal to become more powerful affect the development of law?A: Henry's goal to become more powerful
1. 1 answer
2. asked by Victoria
3. 1,314 views
Find the arc length of one arch of the sine curve.I started it by doing y=sinx, y'=cosx arc length= integral of sqrt(1+cos^2x)dx
1. 2 answers
2. asked by Anon
3. 1,297 views
How to calculate item weight of an item
1. 1 answer
2. asked by Lisa
3. 1,273 views
Find a polynomial of degree 4 that has a integer coefficients and zeros 1,-1,2 and 1/2 (one half)?
1. 1 answer
2. asked by Andrea
3. 1,259 views
1) one indicator of a outlier is that an observation is more than 2.5 standard deviations from the mean. Consider the data value
1. 1 answer
2. asked by jojo
3. 1,255 views
a 200 g object is attached to a 1.5 m long string is whirled around a horizontal force at a speed of 6 m/s. determine the
1. 0 answers
2. asked by yel
3. 1,221 views
Show that 100 g of 100°C steam will completely melt800 g of 0°C ice.
1. 0 answers
2. asked by Sharon
3. 1,208 views
According to Boyle, pressure and volume of a confined gas are ____ proportional, and according to Charles, the volume of a gas
1. 1 answer
2. asked by Emiko
3. 1,201 views
1.Locate the discontinuity of the functiony=1/(1+sin x) 2.Suppose that f is a continuous function defined for all real numbers x
1. 1 answer
2. asked by Lily
3. 1,184 views
The electric starter in an automobile equipped with a 12 V battery draws a current of 100.00 A when in operation. Suppose it
1. 1 answer
2. asked by Ashton
3. 1,181 views
What is the peak current through a 400–W room heater that operates on 120–V AC power?
1. 1 answer
2. asked by Ashton
3. 1,154 views
what is the thesis of this essay called "i want a wife" -judy brady1- I belong to that classification of people known as wives.
1. 1 answer
2. asked by tina
3. 1,120 views
Are these questions positive or normative?1)Too many people smoke. 2)Lung cancer kills millions each year. 3)If government were
1. 2 answers
2. asked by CoCo
3. 1,116 views
Which of the following is a correct statement about scheduling outside time?A. The best time for teachers to schedule outside
1. 2 answers
2. asked by Daniela
3. 1,115 views
Which of the following is the best definition of phonological awareness?A. Sensitivity to units of sound used in the English
1. 1 answer
2. asked by Daniela
3. 1,113 views
For the reaction 2H2 + 1O2 à 2H2O, there are 8.08 grams of H2 available.2. Use the ratio of stoichiometric coefficients in the
1. 1 answer
2. asked by Feather
3. 1,112 views
the greatest and least resultant of two forces are respectively 17 KN and 5 KN. determine the angle between two force when their
1. 1 answer
2. asked by d
3. 1,091 views
While riding in a hot air balloon, which is steadily descending at a speed of 1.39 m/s, you accidentally drop your cell phone.(a
1. 0 answers
2. asked by Anonymous
3. 1,090 views
Which of the following is not a good approach to teaching health, nutrition, and safety for preschoolchildren? A. Explain that
1. 3 answers
2. asked by Daniela
3. 1,086 views
By what factor does the fraction of collisions with energy equal to or greater than activation energy at 100 kJ/mol. change if
1. 1 answer
2. asked by LENNON
3. 1,032 views
We are given an input current Iin=100μA and a linear resistive load represented by the resistor RL . Our resistive load is not
1. 0 answers
2. asked by Amit
3. 1,027 views
a) What properties are important for a solvent to be used to extract a compound from an aqueous solution?b) When carrying out an
1. 1 answer
2. asked by Jay-Jay
3. 1,014 views
Which of the following is true?A. Group 1 elements are more reactive than the group 2 elements because they have more valence to
1. 0 answers
2. asked by Emiko
3. 1,012 views
A projectile is launched from the earth’s surface at initial speed v0 at angle θ0 with the horizontal. When the projectile is
1. 1 answer
2. asked by M
3. 1,002 views
Show that 100 g of 100°C steam will completely melt800 g of 0°C ice.
1. 1 answer
2. asked by Sharon
3. 997 views
A metal bar having a mass of 212 g is heated to 125.0°C and then dropped into 375 g of water at 24°C. After a while the
1. 1 answer
2. asked by Ellie
3. 975 views
If a plane has intercepts at 2a, 3a, and 4a along the three Cartesian coordinates where a is the lattice constant of the cubic
1. 0 answers
2. asked by Chandu
3. 975 views
Explain how the Quran influenced the government in Islamic civilization.A: ?
1. 5 answers
2. asked by Victoria
3. 960 views
Find all the rational zeros of the polynomial, and then find the irrational zerosP(x)= 2x^4+15x^3+31x^2+20x+4
1. 1 answer
2. asked by Drue
3. 949 views
4. Suppose there are 72.0 g of O2 available, along with the 8.08 grams of H2.Use ratios of stoichiometric coefficients to find
1. 3 answers
2. asked by Feather
3. 945 views
In how many arrangements of the letters BERKELEY are all three E's adjacent?I think its (5!)*(6) i'm looking for some
1. 1 answer
2. asked by Henry
3. 943 views
a boy stands at a distance of 168m from a high wall . he produce a sound and haers after 1 second.calculate the speed f sound in
1. 2 answers
2. asked by jenny
3. 918 views
Challenge Write a 6 - digit number that has a 5 in the ten thousand place , a 3 in the thousands place ,a 4 in the tens place ,
1. 2 answers
2. asked by Nnn
3. 894 views
suggest an alternative indicator for the standardization reaction. Explain the rationale behind your choice.Used 10 g of KHP
1. 1 answer
2. asked by Jessica
3. 893 views
Two rubber bands pulling on an object cause it to accelerate at 1.6 m/s2.(a) What will be the object's acceleration if it is
1. 0 answers
2. asked by Mia
3. 886 views
Of the following, which is the best strategy families can use to support language development at home?A. Make a set of
1. 5 answers
2. asked by Daniela
3. 875 views
I have tried this question over and over and not sure if the answer is 16 west or 190 south west please help. Airplane One flies
1. 0 answers
2. asked by Sara
3. 856 views
1. Horizontal lines of latitude that run across the globe are known asparallels meridians hemispheres poles 2. Which projection
1. 6 answers
2. asked by Anoymous
3. 844 views
A company has determined that the profit, in dollars, it can expect from the manufacture and sale of tennis racquets is given by
1. 1 answer
2. asked by Alana
3. 840 views
A student wishes to prepare 300 mL of 0.25 M sucrose. He puts 25.7 g of sucrose in a beaker and then adds300 mL of dH2O. The
1. 1 answer
2. asked by Ki
3. 838 views
I need help identifying the thesis in this essay. please help!"Why i want a Wife" -Judy Brady 1- I belong to that classification
1. 5 answers
2. asked by Tina
3. 838 views
A 3.0-kg cat runs to the left at 10m/s and a 12-kg dog runs to the right at 4.0m/s what is the total kinetic energy?
1. 0 answers
2. asked by Rene
3. 832 views
A pilot is flying at a heading of 96° at 225 miles per hour wind is blowing from the south west at a heading of 37° find the
1. 2 answers
2. asked by mark
3. 831 views
how does CO2 affect the titer of a solution of NaOH ?
1. 1 answer
2. asked by josh
3. 830 views
An element crystallizes in a body-centered cubic lattice. The edge of the unit cell is 3.13Å , and the density of the crystal
1. 1 answer
2. asked by Joe
3. 827 views
Three forces, A,B and C act in the same vertical plane from point O. Force A is 30N and acts horizontally to the left of O.
1. 1 answer
2. asked by ANDREW
3. 826 views
In spanish why are the present-tense verbs for yo complete considered to be stem-changing verbs?1.Because in some of them, when
1. 1 answer
2. asked by Alexander Dennis
3. 795 views

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