# Jina

Popular questions and responses by Jina

2. ## Physics

A vector changes if 1. its direction changes. 2. Any of these 3. its magnitude changes. 4. its direction and magnitude both change. 5. None of these i know it is not 3 or 4. Please explain it to me

3. ## Physics

At a certain instant an object is moving to the right with speed 1.0 m/s and has a constant acceleration to the left of 1.0 m/s^2.At what later time will the object momentarily be at rest? How do you do this?

4. ## Math

Ann has seven ballons. Molly has a set of ballons less than seven .how many ballons does molly have?

5. ## Chemistry

Equal volumes of 0.240 M AgNO3 and 0.140 M ZnCl2 solution are mixed. Calculate the quilibrium concentrations of Ag+, and Zn2+.

6. ## Finance

Calculating Cost of Equity. The Lo Tech Co. just issued a divident of \$2.20 per share on its common stock. The company is expected to maintain a constant 6 percent growth rate in its dividends indefinitely. If the stock sells for \$43 a share, what is the

7. ## Math

The complement of the supplement of an obtuse angle is always: A) an acute angle B) an obtuse angle C) a straight angle D) a right angle Is it D?

8. ## Persuasive Technique

Read this sentence: "You can become one of the millions of people around the country who take the time to volunteer." This sentence is an example of which persuasive technique? A) transfer B) bandwagon C) ethical appeal D) emotional appeal Is it B?

9. ## Math

A triangle has one side that lies along the line y=1/4x and another that lies along the line y=-1/4x. Which of the following points could be a vertex of the triangle? A. (4,4) B. (0,0) C. (-4,-2) D. (1,8) E. (-2,-8)

10. ## physics

What is the work done by the two forces together in moving an object a distance of d = 5 m as shown in the diagram? The magnitude of each force is 19 N. Diagram: (The two forces, F1 and F2, have the same magnitud but F1 is 45º over de the x axis, and F2

11. ## science(chem)

Calculate the binding energy per nucleon for the following nuclei: a: 12C(nuclear mass, 11.996708 amu) 6 ------- b. ^37Cl(nuclear mass, 36.956576) i'm confused on how to solve and if theres a specific formula for this... please help thank you add the

12. ## Physics

The initial speed of a body is 4.43 m/s. What is its speed after 1.86 s if it accelerates uniformly at 1.24 m/s^2? Answer in units of m/s. PLz help

13. ## Physics

A glacier advances at 7 × 10−6 cm/s. How far will it move in 3.7 y? Answer in units of cm. Plz help! I don't get it.

14. ## Probability

A white die and a black die is thrown. What is the probability that the number on the white die exceeds the number on the black die?

15. ## physics

The rope of a swing is 3.1 m long. Calculate the angle from the vertical at which a 77-kg man must begin to swing in order to have the same kinetic energy at the bottom as a 1430-kg car moving at 1.05 m/s (2.35 mi/hr).

16. ## physics

A parachutist descends vertically a distance of 380 m at a constant speed of 2.9 m/s. The mass of the parachutist is 70 kg. What is the work done on the parachutist by the net force during this descent?

17. ## Chemistry

A voltaic cell designed to measure [Cu2+]is constructed of a standard hydrogen electrode and a copper metal electrode in the Cu2+ solution of interest. 1. If you wanted to construct a calibration curve for how the cell potential varies with the

18. ## Physics/math

How do you convert 50.4 mi/h to m/s? 1 mi = 1609 m. Please explain it to me because I don't get it

19. ## Algebra

if n and x are each integers and 6=n^x then which expression represents 36n? a)n^6x b)n^6x+1 c)n^2x+1 d)n^x+3 e)n^x+6 Can you please teach me how to do this?

20. ## Geometry

What is the perimeter of the shaded area, if the shape is a quarter circle with a radius of 8? A) 2 pi B) 4 pi C) 2 pi + 16 D) 4 pi + 16 Is it C?

21. ## Math

To celebrate the first day of a leap year, I taught my dog to jump through a hoop. It was a Sunday. When he taught me the same trick the first day of the next year, it was a _?_ A) Sunday B) Monday C) Tuesday D) Wednesday Is it B?

22. ## Logical Reasoning

Ted is ordering food at a restaurant. One of the ways to order a dinner is to order a combination meal. Meal 1 includes chicken wings and fries. Meal 2 includes a burger and fries. Ted receives chicken wings as part of his order. Based on the information

I really need help on this problem... ===================== Hydrocarbon Formula Delta H (kj/mol) 1,3-Butadiene C4H6(g) 111.9 a) calculate the fuel value in kJ/g for this compound and determine the percentage of hydrogen by mass. I've tried it for hours yet

24. ## chemistry

Fill in the blank For all three of the cubic lattices (unit cells), all of the ______ and _____ are the same size. (body center, face center, simple cubic)

25. ## chemistry

Are dispersion forces in hexane weaker than that of pentanol?

26. ## Government questions..

1 --In Japan, the process by which the prime minister can excuse the House of Representatives and trigger a general election is called? 2 -- How did Marx envision communism in its final form? 3 --from the states' point of view, what advantage did revenue

27. ## Slope

Can you teach me how to determine the slope using the equation below? y=6x+3

28. ## Chemistry

What is the type of packing for a body center cubic and a simple cubic? use ABCs to explain please.

29. ## English

The systems analyst hesitated to talk to strangers about his highly specialized work, fearing it was too ___ for people uninitiated in the computer field to understand. What goes in the blank? a) intriguing b) derivative c) frivolous d) esoteric e)

30. ## chemistry

Which of the following is NOT true about the thermodynamic standard state? A. A gas is in its standard state when its pressure is 1.00 atm and its temperature is 25C . B. An aqueous solution is in its standard state at a concentration of 1.00 M. C. A solid

31. ## chemistry

Find the unit cell (simple, bcc, fcc), type of holes where the smaller ions are found (tetrahedral, octrahedral, cubic), and number of cations and anions per unit cell for the following compounds: CdSe CsI Li2O KBr NaCl ZnS(I)

32. ## English

A code of ethics governing the behavior of physicians during epidemics didn't exist until 1846, when it was ___ by the American Medical Association. A) rescinded B) promulgated C) presupposed D) depreciated E) implied

33. ## Vocabulary

"The network of capillaries, veins, and arteries make up the intricate routes that the blood travels through in its continuous journey in the body." The word "routes" means A) circuit B) stations C) vessels D) organs Is it C?

34. ## English

Through her work at the center for the family in transition, Wallerstein has come to see divorce not as a single circumscribed event but as ___ of changing family relationships as a process that begins during the failing marriage and extends over many

35. ## English

The systems analyst hesitated to talk to strangers about his highly specialized work, fearing it was too ___ for people uninitiated in the computer field to understand. What goes in the blank? a) intriguing b) derivative c) frivolous d) esoteric e)

1. ## Physics

Forgot this part: What is its speed after 1.86 s if it accelerates uniformly at −1.24 m/s^2? Answer in units of m/s.

posted on October 10, 2016
2. ## Math

move the decimal 2 spaces to the left

posted on October 6, 2016
3. ## Physics

thank you!!!

posted on October 6, 2016
4. ## Math (check plz)

N number one is correct

posted on February 25, 2016
5. ## English

I believe it's B

posted on February 25, 2016
6. ## Math (check plz)

Number 2 is D

posted on February 25, 2016
7. ## English

Is it A?

posted on February 25, 2016
8. ## English

Yea but I still have to check it because sometimes I feel like there could be two words that goes in the blank.

posted on February 25, 2016
9. ## English

Thanks!

posted on February 25, 2016
10. ## Logical Reasoning

But would D or E make more sense?

posted on August 17, 2015
11. ## Math

I got 2/3

posted on August 17, 2015
12. ## Vocabulary

Thanks

posted on August 5, 2015
13. ## chemistry

isopropanol

posted on February 7, 2008