Archives
2011
January

Questions Asked on January 30, 2011

the force required to maintain an object at a constant velocity in free space is equal to: b: the mass of the object.c: the
1. 2 answers
2. asked by ellen
3. 4,950 views
The 2 kg block in Figure 7-25 slides down a frictionless curved ramp, starting from rest at a height of h = 3 m. The block then
1. 1 answer
2. asked by Sierra
3. 4,505 views
You stand at the top of a cliff while your friend stands on the ground below you. You drop a ball from rest and see that it
1. 2 answers
2. asked by SAM
3. 3,953 views
a ferry boat is sailing at 12 km/h 30 degrees west of north with respect to a river that is flowing at 6 km/h. in what
1. 2 answers
2. asked by Anonymous
3. 3,234 views
A cord passes over a weightless and frictionless pulley. Masses of 200 g and 300 g are attached to the ends of the cord. Find
1. 2 answers
2. asked by Sean
3. 2,812 views
A pilot in a plane at an altitude of 22,000 feet observes that the angle of depression to a nearby airport is 26 degrees. How
1. 1 answer
2. asked by Chloe Mack
3. 2,664 views
A cork on the surface of a pond bobs up and down two times per second on ripples having a wavelength of 7.30 cm. If the cork is
1. 1 answer
2. asked by gilbert
3. 2,420 views
A 100-Watt light bulb plugged into a 120-Volt outlet is left on for 60 seconds. How much energy (in Joules) is used up by the
1. 1 answer
2. asked by Joe
3. 2,350 views
How much energy in kilocalories is expended against gravity alone by a 75- kg man climbing 1500 m up a mountain?
1. 2 answers
2. asked by Anonymous
3. 2,332 views
For a science fair competition, a group of High School students built a kicker-machine that can launch a golf ball from the
1. 2 answers
2. asked by Emily
3. 2,040 views
The air speed indicator of a plane that took off from Detroit reads 373 km/h and the compass indicates that it is heading due
1. 1 answer
2. asked by Emily
3. 2,016 views
If Kc = 0.143 at 25°C for this reaction, find the equilibrium concentrations of C6H12 and CH3C5H9 if the initial concentrations
1. 2 answers
2. asked by bob
3. 1,777 views
A block is dragged at constant velocity in a straight line path across a level surface by force of 6 N.What is the friction
1. 1 answer
2. asked by ellen
3. 1,641 views
Ten seconds after starting from rest,a freely falling object will have a speed of about______ rn/sA: 10 B: 50 C: 100 D: 120 I
1. 2 answers
2. asked by ellen
3. 1,596 views
For acute angle Aof a right triangle, find tan A by using the 45-45-90 Triangle Theorem or the 30-60-90 Triangle Theorem.measure
1. 1 answer
2. asked by Chica
3. 1,591 views
A ball is thrown horizontally from the top of a building 55.4 m high. The ball strikes the ground at a point 65 m from the base
1. 3 answers
2. asked by Ashley
3. 1,548 views
Suppose that a function f(125)=52 and f'(125)=4. Estimate f(123.5)
1. 1 answer
2. asked by Matt
3. 1,530 views
A ladder 41 feet long that was leaning against a vertical wall begins to slip. Its top slides down the wall while its bottom
1. 1 answer
2. asked by Nick
3. 1,508 views
An equilateral triangle has sides of 0.15 m. Charges of -9.4, +8.0, and +2.5 µC are located at the corners of the triangle.
1. 2 answers
2. asked by hearttyy
3. 1,421 views
Popcorn kernals pop independently (i.e. unimolecularly). For one brand at constant temperature, 11 kernals pop in 10 seconds
1. 1 answer
2. asked by jade
3. 1,419 views
Is NO3- an ambidentate ligand?
1. 1 answer
2. asked by John
3. 1,241 views
An airplane must reach a speed of 185 mi/h to take off. If the runway is 500 m long, what is the minimum value of the
1. 1 answer
2. asked by Lisa
3. 1,238 views
Solve the problem and reduce to lowest terms? 2/3+1/6+11/12=
1. 3 answers
2. asked by Nicole
3. 1,233 views
• Write several sentences describing a recent interaction with a friend or family member about personal finance or credit
1. 2 answers
2. asked by robin
3. 1,211 views
Of all the videotapes in a large shipment, 21% have a defective tape, 16% have a defective case, and 11% have both defects. If
1. 1 answer
2. asked by puzzled
3. 1,203 views
Let angle A be and acute angle in a right triangle. Approximate the measure of andgle A to the nearest tenth of a degree.cos A =
1. 1 answer
2. asked by Chica
3. 1,145 views
Using energy considerations and neglecting air resistance, calculate how far a rock will rise above its point of release if it
1. 2 answers
2. asked by Anonymous
3. 1,125 views
A non-metal element which lies in the third row of the Periodic Table forms a gaseous compound H2Y with hydrogen and the
1. 2 answers
2. asked by joleen
3. 1,088 views
For this project, I had to write 5 clear, concise, well written sentences about what I've learned this week. Do these sentences
1. 3 answers
2. asked by Mark
3. 1,081 views
39. Nosotros ______ practicar los verbos en español.a. deben b. debe c. debo d. debemos A or B? Thanks -MC
1. 4 answers
2. asked by mysterychicken
3. 1,059 views
The magnitude of the electric field between the plates of a parallel plate capacitor is 3.0X10^5 N/C. Each plate carries a
1. 2 answers
2. asked by hearttyy
3. 1,043 views
It takes 6 seconds for a stone dropped from rest to the bottom of a well,what is its final speedA; 6 meters/second B: 30
1. 1 answer
2. asked by ellen
3. 1,017 views
What is an example of "statistical abuse" in the media in january 2011. What are some of the commonly reported health or nursing
1. 0 answers
2. asked by Taylor
3. 1,002 views
activity to demonstrate the fact that for a metallic wire of uniform material density and thickness, the resistance increases
1. 1 answer
2. asked by yash
3. 990 views
one and six hundredths subtracted from eight and thirty two hundreaths?Help me please. Thanks!!!!
1. 3 answers
2. asked by Ivis
3. 974 views
why isnt there any correlation between the monthly rainfall and Ross River Virus?
1. 1 answer
2. asked by Trace
3. 956 views
The RBC osmolarity of a patient is 300 mOsm/L and is given 1L of distilled water and starts with 3L of plasma.What is the plasma
1. 1 answer
2. asked by Anonymous
3. 935 views
could someone please help me with this problem. Which of the following phrases does not describe the number -¾? (Points : 1)rat
1. 2 answers
2. asked by Jasper
3. 929 views
peer has $4.20 in dimes and quarters. He has 21 coins. How many coins of each kind does he have?
1. 1 answer
2. asked by joe
3. 918 views
an isosceles triangle has a perimeter of 136 inches. If one of its equal sides measures 42 inches, what is the measure of the
1. 2 answers
2. asked by Anonymous
3. 900 views
E6-10Assume that Serena Williams desires to accumulate $1 million in 15 years using her market fund balance of $182,696. At what
1. 1 answer
2. asked by Lori
3. 898 views
how does(what is the chemistry involved) k2so4 raise the boiling point of h2so4
1. 0 answers
2. asked by stephen
3. 859 views
imagine replacing one H atom of a methane molecule, ch4, with another atom or group of atoms. Account for the order in the
1. 1 answer
2. asked by Anonymous
3. 857 views
The drawing shows the electric potential as a function of distance along the x axis. Determine the magnitude of the electric
1. 0 answers
2. asked by hearttyy
3. 855 views
How much does it cost to operate a 1.0-W electric clock for a year if electricity cost $0.05/k Wh?I think the answer is =$0.44 a
1. 2 answers
2. asked by Anonymous
3. 843 views
Graph the two equations to solve the system. Write the ordered pair solution like this (1,2) with no spaces, or write no
1. 1 answer
2. asked by joshua
3. 834 views
Find the derivative of f(x)=7x-19 at x=2.I think that the derivative would be 7 and theb times 2 so 14. Is this correct or would
1. 3 answers
2. asked by Hannah
3. 829 views
Will you please help me with a few language problems:1)is the article necessary in the phrase "representatives of the (?)mass
1. 1 answer
2. asked by Ilma
3. 788 views
Aerosol cans carry clear warnings against incineration because of the high pressures that can develop upon heating. Suppose a
1. 1 answer
2. asked by Anonymous
3. 774 views
I think I found all of the errors, what do you think?Identify those with errors by marking each of the errors in bold. Make the
1. 5 answers
2. asked by Mark
3. 754 views
the perimeter of a square garden is to be at least 30 feet but not more than 64 feet.find all the possible values for the length
1. 3 answers
2. asked by pink
3. 743 views
Appendix BAnswer each question below. Answers should be approximately 100 words per question. 1. What are the primary roles of
1. 5 answers
2. asked by Anonymous
3. 743 views
a vehicle weighs 120 kg wt brakes are applied so that the vehicle stops rolling and starts skidding find the force of friction
1. 1 answer
2. asked by Shibasish
3. 738 views
Two point charges, 4.0×10-6 C and -1.0×10-6 C, are located on the x axis at = -1.0 cm and = 3.0 cm.(a) Determine the electric
1. 0 answers
2. asked by help
3. 737 views
What is 194 times 10 to the third power in scientific notation
1. 1 answer
2. asked by Anonymous
3. 736 views
Solving the formula for the indicated variable.I=prt,for r I need help knowing how to solve this problem step by step. its
1. 3 answers
2. asked by Attalah Higgs
3. 733 views
heidi left a 25% tip of $9.00 dollars on a meal. what was the cost of the meal before the tip? what was the total cost of the
1. 1 answer
2. asked by veronica
3. 732 views
A race car traveling northward on a straight, level track at a constant speed travels 0.750km in 20.0s. The return trip over the
1. 1 answer
2. asked by Anonymous
3. 730 views
The purity of gold is measured in karats. Twenty-four karat gold is pure gold and k karat gold is k/24 gold by mass. One piece
1. 0 answers
2. asked by Jay
3. 729 views
If possible, could a math tutor check the math post question that "daylo3" asked at 6:42 pm today, that I answered?I don't
1. 2 answers
2. asked by helper
3. 727 views
Maria just inherited $10,000. Her bank has a savings account that pays 4.1% interest per year. Some of her friends recommended a
1. 1 answer
2. asked by puzzled
3. 727 views
Water flows through a horizontal tube of diameter 2.6cm that is joined to a second horizontal tube of diameter 1.7cm . The
1. 0 answers
2. asked by Sid
3. 699 views
Athlete runs twice round the circular athletics track. The track has a total length of 320 m and a diameter of 100 m. Make a
1. 1 answer
2. asked by Khanyisa
3. 687 views
How did the pattern of European immigration shift in 1890?
1. 1 answer
2. asked by Ali
3. 684 views
Derive the identity cot² A+1= csc² A
1. 1 answer
2. asked by Anonymous
3. 682 views
Which if these questions does not help to assess the vaildity of research findings:a. How much did this study cost? b. Are the
1. 2 answers
2. asked by S
3. 681 views
I had posted this question before but no one answered for half and hour. I finished the first question i posted but i am stuck
1. 1 answer
2. asked by Monica
3. 680 views
Write a one paragraph resume statement. This is the paragraph that might go at the top of your resume - the paragraph that
1. 1 answer
2. asked by Anonymous
3. 678 views
1. Past experience indicates that the variance, ¦Ò2x, of the scores, X, obtained on the verbal portion of a test is 5,625.
1. 1 answer
2. asked by Tian
3. 673 views
My assignment is to write a paragraph about what I've learned this week. It should contain clear and concise sentences, with
1. 4 answers
2. asked by Mark
3. 669 views
An experiment was done in which different coloured light were shone onto a water plant separately and the rate of production of
1. 1 answer
2. asked by sanya
3. 667 views
In an arcade game, a ball is launched from the corner of a smooth inclined plane. The inclined plane makes a 33.3° angle with
1. 0 answers
2. asked by Mark
3. 666 views
The drawing shows the electric potential as a function of distance along the x axis. Determine the magnitude of the electric
1. 0 answers
2. asked by hearttyy
3. 666 views
how could the amount of oxygen change the results in the synthesis of Magnesium oxide lab?
1. 0 answers
2. asked by Sadie
3. 666 views
i know the formulaFC = # Valence Electron - bonds - lone pairs but am i supposed to use that formula for all elements on the
1. 4 answers
2. asked by jessie
3. 659 views
A weight of 50.0 N is suspended from a spring that has a force constant of 190 N/m. The system is undamped and is subjected to a
1. 1 answer
2. asked by sir
3. 654 views
can someone help in finding the ordered pair for this equation.7x-9y=63 9y-7x=-63
1. 3 answers
2. asked by robbie
3. 653 views
2h2o2(aq) ---> 2h2o(l) + o2(g)if someone puts 0.470 ml of hydrogen peroxide on a cut how many moles of hydrogen peroxide are
1. 1 answer
2. asked by Help please
3. 650 views
E6-5Mike Finley wishes to become a millionaire. His money market fund has a balance of $92,296 and has a guarateed interest rate
1. 0 answers
2. asked by Lori
3. 647 views
A corporation has $7 mil. in equity. During the tax year it takes in $4 million in receipts and earns $ 2 million in capital
1. 0 answers
2. asked by Mel
3. 638 views
A stone is thrown directly upwards with an initial speed of 34.5 m/s . What is the maximum height the stone will reach?
1. 2 answers
2. asked by Demi
3. 637 views
If a bicycle wheel has a diameter of 63 centimeter. DuringA journey the wheel make a 510 revolution .how many meter does the
1. 4 answers
2. asked by peta
3. 634 views
A 0.10MNaCl solution is blank (iso/hypo/hypertonic) to a 0.10M glucose solution
1. 2 answers
2. asked by paulina
3. 624 views
Can you please check if these sentences are grammatically correct,please? Thank you very much.1)It’s two years since I last
1. 1 answer
2. asked by Franco
3. 619 views
Cypress purchased a 50,000-hectare tract of timber land at Westerlund on June 7,2010, for $50 million, paying $10 million cash
1. 7 answers
2. asked by Thara
3. 615 views
Hi,Can anyone tell me if I have picked the correct TRUE statements .. From the pairs of terms given below, choose the option
1. 1 answer
2. asked by Freddy
3. 614 views
The sum of the area of the six congruent circles is 150 pi square centimeters. What is the area of the rectangle? Exact value
1. 1 answer
2. asked by Shaniqua
3. 609 views
Only two horizontal forces act on a 9.1 kg body. One force is 5.3 N, acting due east, and the other is 1.6 N, acting 56° north
1. 1 answer
2. asked by Ethan
3. 602 views
Explain the difference between a Doctor of Dental Surgery and Doctor of Medical Dentistry.Explain the difference between an
1. 2 answers
2. asked by brian
3. 601 views
Graph the two equations to solve the system. Write the ordered pair solution like this (1,2) with no spaces, or write no
1. 1 answer
2. asked by joshua
3. 597 views
A ball is fired with an inital velocity of 500 m/s at an angle of 30 degrees above horizontal across a level field. Calculate
1. 2 answers
2. asked by Anonymous
3. 594 views
The value of an automobile was $15,780 in 1994 and depreciated to $5400 in 1999. Let y be thevalue of the automobile in the year
1. 4 answers
2. asked by Hannah
3. 593 views
Hi,Can anyone tell me if I have picked the correct TRUE statements .. From the pairs of terms given below, choose the option
1. 0 answers
2. asked by Freddy
3. 592 views
Consider 2 charged objects. One has a negative charge if 18 colombs. The 1 charges are separated by a distance if 0.9 m and a
1. 1 answer
2. asked by Musha
3. 585 views
A golf ball is hit with an initial angle of 54.7o with respect to the horizontal and an initial velocity of 85.1 mph. It lands a
1. 2 answers
2. asked by Emily
3. 574 views
make a flow chart and a hierarchy chart for a small software company that need to calculate there employee pay and rate of pay
1. 1 answer
2. asked by Martin
3. 574 views
If Loiuse can type 70 words in 2 minutes and Corey can type 120 words in 3 minutes, which statement is true??Loises rate is 50
1. 4 answers
2. asked by Lisa
3. 573 views
A board 20 feet long is cut into two boards with lengths in ratio of 5 to 2. To the nearest tenth of a foot, how lng is the
1. 2 answers
2. asked by meghan
3. 569 views
Calcium Carbonate and aluminum silicate are mixed together and heated. A mixture of calcium oxide, carbon dioxide, aluminum
1. 1 answer
2. asked by Jim
3. 567 views
3. In studying the efficiency of the federal court system, we look at the random variable, X, the amount of time elapsing
1. 1 answer
2. asked by Tian
3. 567 views

Back to January 2011

Ask a New Question

Archives
Contact Us
Newest
Privacy Policy
Terms of Use
© 2025