# Tammy

Questions and answers by visitors named Tammy

## Questions

1. ### A wheel with rotational inertia I is mounted on a fixed, fricitonless axle. The angular speed w of the wheel is inccreased from zero to w_f in a time interval T.

1: What is the average net torque on the wheel during the time interval, T? a) w_f/T b)w_f/T^2

4. ### When a block slides a certain distance down an incline the work done by gravity is 300 J. What is the work done by gravity if this block slides the same distance up the incline?

a) 300 J b) zero c) -300 J d) It cannot be determined without knowing the

7. ### benzopinacol and benzopinacolone diferences

Because benzopinacol and benzopinacolone have nearly identical melting points, describe (without using spectroscopic methods) how you might prove that samples of the two compounds are different.

9. ### A bike wheel rotates uniformly through 2 revolutions in 3 seconds.

a) what is the period of the wheel's rotation? T=3rev/2s=1.5s b) what is the frequency of the wheel's rotation? (in Hertz) f=1/T =1/1.5 =.666Hz c) what is the angular speed of the

76,73,78,75

12. ### What did the baby buzzard say when it saw

an orange in the nest I got misspelled jumbo

16. ### I'm trying to double check my answers. These are the answers I believe to be correct. Please let me know if I am right or wrong. Thank you.

. Networking has (Points : 1) a) Increased in importance b) Rely upon electronic communication c) Rely upon personal

18. ### When BaCl2-H2O (s) is dried in an oven, it loses gaseious water:

BaCl2-H2O <--> BaCl2(s) + H2O (g) enthalpy change - 63.11 kJ/mol at 25 degrees C entropy change - +148 J/(K-mol) at 25 degrees C Calculate the vapor pressure of gaseous H2O above BaCl2-H2O at

21. ### Does anybody else find it odd that 29 of a group of 32 questions below

were from somebody called "social studies" under the subject heading of "social studies". Sure looks like the bot, or AI whatever it calls itself, is once again generating its own

23. ### "gooddog" has asked 14 questions in the last 16 minutes under the subject

of "Social Studies", with an immediate reply by the bot. This is not humanly possible. Why have we now resorted to the bot also asking the questions? Testing to see if there are

25. ### Just counted the last 15 math questions below this answered by the bot

It got 2 of them right. this is inexcusable, fortunately most were corrected by Damon and oobleck.

26. ### I have just checked 8 consecutive answers by the bot to your questions

and they are all wrong.

27. ### I am going to take a break

It is very hard to keep up with correcting all the wrong answers the bot is giving for these simple math questions. Please somebody else take over, I'm going to bed , it's about 2:30 am here in Brisbane.

32. ### Weight(n)=mass (kg)*gravity(m/s^2)

Nolan pushes a 500 kg wheelbarrow.What is the weight of the wheelbarrow? A.After he dumps the wheelbarrow,it weighs only 200 N.What its mass?

34. ### Suppose an essay requires the use of five scholarly articles but the body paragraphs must be discussed in the form of a literature review, can someone explain how this would be done?

Do I just discuss the articles that I will be using for the research

39. ### A block with mass of 5.0kg is suspended from an ideal spring having negligible mass and stretches the spring 0.20m to its equilibrium position.

A) What is the force constant of the spring? B) The spring is then stretched 0.80m from its equilibrium position

41. ### A baseball is thrown from the rood of a 27.5m tall building with an initial velocity of magnitude 16.0m/s and directed at an angle of 37 degrees above the horizontal.

A) Using energy methods and ignoring air resistance, calculate the speed of the ball just

43. ### Por or Para

Tiene que terminar este proyecto (para) manana. Salio de la oficina (por) su casa. Are these sentences correct? Thanks

g(k)

55. ### Simplify each expression.

Sqrt of 128m^3n^5/sqrt of 81mn^7

56. ### Among the solubility rules previously discussed is the statement: Carbonates, phosphates, borates, and arsenates—except those of the ammonium ion and the alkali metals—are insoluble.

(a) Write the expression for the equilibrium constant for the reaction

59. ### Write the equation for the reaction of iron and oxygen.

Label the oxidizing reagent, the reducing agent, the reduced element, and the oxidized element.

= how much

70. ### My math calculator prompted me with this question 6E-7.

My answer to this question is 0.00000007

71. ### I'm doing a lab for Le Chatelier's Principle. I'm concerned that all my answers sound very similar. Can someone help me and let me know if my answers are making sense?

~Thanks 1.) How is the reaction Zn(OH)2 <=> Zn^+2 + 2OH- affected by adding OH- I think

76. ### When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced.

CaCO3(s)+2HCl(aq)=CaCl2(aq)+H2O(l)+CO2(g) How many grams of calcium chloride will be produced when 27.0 g of calcium carbonate are combined with

77. ### Given the following chemical equation, determine how many grams of N2 are produced by 8.58 g of H2O2 and 5.62 g of N2H4.

2H2O2(l)+N2H4(l)=4H2O(g)+N2(g)

78. ### Explain how a defendant may be processed through The Missouri judicial system.

I have searched the internet and I can not information on this.

82. ### how many mL of 1M HCL is used to make:

100mL of 0.1M hcl 250Ml OF 0.5M hcl 10Ml OF 0.01m hcl

90. ### Which of the following was Eisenhower's most significant legislative achievement?

A. The Highway Act of 1956 B. The establishment of modern Republicanism C. The extension of Social Security benefits D. Increasing the minimum wage

97. ### A basketball team won 16 games, or 4 less than

2/3 of the games they played. Find the number of games they played.

1. 1
2. 2
3. 3
4. 4
5. 5