# kj

Most popular questions and responses by kj
1. ## LA

Which best describes the climax of the story? 1 Chris and Taylor have been neighbors for years. During the summer, they enjoy biking on the trails in town. Chris always has to remind Taylor to wear his helmet or else Taylor forgets. Every time that

2. ## Chemistry

What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M CH3CO2H with 25.00 mL of 0.010 M CH3CO2Na? Assume the volumes of the solution are additive and that Ka = 1.8 x 10-5 for CH3CO2H. 4. How is this solved?

3. ## physics

Two ropes are attached to a skater as sketched in the figure below and exert forces on her as shown. Find the magnitude and direction of the total force exerted by the ropes on the skater if θ1 = 32.0° and θ2 = 53.0°. what is the magnitude and

5. ## math

The scale for a map says that 1 cm is equal to 25 miles. Jennifer measures the distance between two cities as 4.5 cm. How far apart are the cities?

6. ## physics

Two crates are connected by a massless rope that passes over a pulley as shown in the figure below. If the crates have mass 32 kg and 80 kg, find their acceleration. If the system begins at rest, with the more massive crate a distance 11 m above the floor,

7. ## physics

The three forces shown in the figure below act on a particle (with F1 = 48.0 N, F2 = 58.0 N, θ1 = 63.0°, and θ2 = 27.0°). If the particle is in translational equilibrium, find F3, the magnitude of force 3 and the angle θ3. F3 = 1 N θ3 = 2°

8. ## math

a student answered 86 problems on a test correctly and recieved a grade 98%.How many problems were on the test, if all the problems were worth the same number of points? (Round to the Nearest whole number.)

9. ## Maths

Four persons are chosen at random from a group of 10 persons consisting of 4 men and 6 women. Three of the women are sisters. Calculate the probabilities that the four persons chosen will a) Consist of 4 women. b) Consist of 2 women and 2 men c) Include

10. ## physics

A rock is dropped from a very tall tower. If it takes 4.1 s for the rock to reach the ground, what is the height of the tower?

11. ## Chemistry

What volume of H2 gas (in liters), measured at 23 °C and 678 torr, can be obtained by reacting 7.59 g of zinc metal with 124 mL of 0.302 M HCl? Zn + 2HCl --> ZnCl2 + H2

12. ## Algebra

What is the sum of 38 and twice a number is 124. Find the number 43 The sum of 38 and twice a number is 124. Find the number.

13. ## Math

the perimeter of an isosceles triangle is 73 cm. the base measures 3 cm more than one half the measure of a leg. what is the measure of each side of the triangle

14. ## Economics

Suppose you earned \$50,000 last year, and inflation is at 5%. You receive a salary increase of \$2,000. Explain your increase salary in nominal and real terms. Did you receive an increase?

15. ## physics

A flag of mass 2.2 kg is supported by a single rope as shown in the figure below. A strong horizontal wind exerts a force of 10 N on the flag. Find the tension in the rope and the angle θ the rope makes with the horizontal. Tension = N θ = °

16. ## Physics

A speedboat starts from rest and accelerates at +2.01 m/s2 for 7.05 s. At the end of this time, the boat continues for an additional 6.15 s with an acceleration of +0.518 m/s2. Following this, the boat accelerates at -1.49 m/s2 for 8.50 s. (a) What is the

Calculate the terminal velocity for a baseball. A baseball's diameter is approximately d = 0.073 m, and its mass is m = 0.146 kg. Express your answer in meters per second and miles per hour. (Assume a drag coefficient of 1 and air density of 1.3 kg/m3.) __

18. ## physics

The diameters of Earth and the Sun are approximately 1.3 107 m and 1.4 109 m respectively, and the average Sun-Earth distance is 1.5 1011 m. Consider a scale model of the solar system, where Earth is represented by a peppercorn 2.3 mm in diameter.

19. ## Spanish 1

_______esta la silla? whic word best fits? hay,Que,Donde, or Como?

20. ## math

A display case of toy rings are marked 5 for \$1. If Zach wants to buy 50 toy rings, how much will Zach spend (not including tax)?

21. ## math 3

Peter is playing a game where a ten-sided die is rolled. Four sides of the die have the number 10, three sides of the die have the number 5, two sides of the die have the number 25, and one side of the die has the number 27. What is the expected value of a

22. ## physics

One afternoon, a couple walks five-eighths of the way around a circular lake, the radius of which is 1.45 km. They start at the west side of the lake and head due south to begin with. (a) What is the distance they travel?

23. ## physics!!

The figure below shows the acceleration as a function of time for an object. (a) If the object starts from rest at t = 0, what is the velocity of the object as a function of time? for 0s < t < 10s v(t) = m/s for 10s < t < 26s v(t) = m/s (b) If the object

24. ## physics (plz help)

In SI units, acceleration is measured in units of meters per second squared (m/s2). Which of the following combinations of units can also be used to measure acceleration? km/s2 cm/s miles per hour m3/(mm2 · s2) cm/s2 miles/(minutes)2

25. ## physics

A senior citizen walks 275 m in 25 min going around a shopping mall. If she wants to increase her average speed by 25 % in walking a second lap, what would her travel time in minutes have to be?

26. ## math 3

Peter is playing a game where a ten-sided die is rolled. Four sides of the die have the number 10, three sides of the die have the number 5, two sides of the die have the number 25, and one side of the die has the number 27. What is the expected value of a

27. ## Physics

What is the magnitude of the average acceleration of a skier who, starting from rest, reaches a speed of 5.8 m/s when going down a slope for 2.8 s? How far does the skier travel in this time?

28. ## Chemistry

when a platinum wire dipped into an unknown solution was held over a Bunsen burner flame, an intense purple colour resulted. when 6 drops of 1M AgNO3(aq) in 6MHNO3(aq) was added to this solution, a white-coloured precipitate formed. What is the chemical

29. ## Chemistry

Calculate the final temperature of 244 of water initially at 35 upon absorption of 20 of heat

30. ## science

Most proteins (do or don't) pass through the plasma membrane? Explain? Substances that dissolve in (lipids or water) can more readily pass across the plasma membrane. Explain Ions can cross the plasma membrane more easily if they have the (same or

31. ## Pre-Algebra

Can someone show me how to solve this problem step by step?Here is the problem, 26cm/s= m/min,how to solve it by convert rate suing dimensional analysis.

32. ## Pre-Algebra

Can anyone show me step by step how to solve this problem? 26cm/s = m/min convert this problem using dimensional analysis.kj

33. ## physics!!

The figure below shows the acceleration as a function of time for an object. (a) If the object starts from rest at t = 0, what is the velocity of the object as a function of time? for 0s < t < 10s v(t) = m/s for 10s < t < 26s v(t) = m/s (b) If the object

34. ## physics

A vector has components Ax = 44 m and Ay = 30 m. Find the length of the vector vector A and the angle it makes with the x axis. in meters and in degrees

35. ## physics

In SI units, force is measured in newtons, with 1 N = 1 kg · m/s2. Which of the following combinations of units can also be used to measure force? 1 kg · m4/(s2 · cm3) g · cm2/s kg · miles/(minutes)2 g · cm/s2 g · m/s

36. ## physhic

For every reaction there is an exact opposite reaction. True! The question one could ask and explore is what came first? or who or what the reaction is. Could we agree good is supieror to evil just to make my point your preference, makes no difference. If

241.5 grams of gold has a volume of 12.5 cubic cm. what is the volume of 193.2 grams of gold How do you set this problem up?

38. ## Math

What is... 4,078 rounded to the nearest thousand? 2,093 rounded to the nearest thousand?

39. ## chemistry

How many liters of 0.50M NaOH must be added to 125 mL of 0.75M HCL to neutralize it

40. ## math

(w+9)^3+56=0 write were w i a real number write answer in simplified radical form write b^2/3 as a radical expression

41. ## Pre-Algebra

Can anyone show me step by step how to solve this problem? 26cm/s = m/min convert this problem using dimensional analysis.What is the answer and how did you get it?Thanks,kj

42. ## physicsss

A cable attached to a block of mass 11 kg pulls the block along a horizontal floor at a constant velocity. If the tension in the cable is 5.3 N, what is the coefficient of kinetic friction between the block and the floor?

43. ## Science

How many Blades of grass would be eaten by a rabbit one fox? How long is the grass? What time period?

44. ## Math

What is 5,210 rounded to the nearest hundred? 90 rounded to the nearest hundred?

45. ## CHEMISTRy

predict the product of the following: a.) Ca + H + OH => b.) Pb(NO3)2 + Cu =>

46. ## german

I have to write a slogan in german that is a command using the four different types of command forms (du, ihr, wir, Sie), and I need help figuring out how to write them. The slogan I am using is "Get your own box." from cheez-its. How would I write them in

47. ## physics!!

You are a secret agent and find that you have been pushed out of an airplane without a parachute. Fortunately, you are wearing a large overcoat (as secret agents often do). Thinking quickly, you are able to spread out and hold the overcoat so that you

48. ## physics

A jogger maintains a speed of 2.5 m/s for 188 m until he encounters a stoplight, and he abruptly stops and waits 27 s for the light to change. He then resumes his exercise and maintains a speed of 3.6 m/s for the remaining 51 m to his home. (a) What was

49. ## physics

A brass ball weighs 270gram in air and when it was immersed in water,it displaced 30 ml of water .how much will the ball weigh in water?

50. ## math

dee went shopping she had 75 dollars to spend. At one store, she bought a dress and a tube of lipstick. The lipstick was half the price of the dress. she then spent half of what she had left on a pair of shoes. This left her with 13 dollars. How much was

51. ## Pre-Algebra

Victoria you helped me with the last problem can you help me again with this one please? 26cm/s=m/min. Convert this using the dimensional analysis.Thank-you.kj

52. ## Pre-Algebra

can someone show me how step by step to convert this problem 45 mi/h=ft/s using dimensional analysis?Thanks.kj

how long will it take to make \$9944. dollars at 1.25 interest when i already have \$7500. I have to make line graph of each year.

54. ## social studies

What does it mean when they ask my identity? Do I include sports future, likes and dislikes, education,etc.

1. ## Health

Boo

posted on November 5, 2019
2. ## Social Studies

Yay he’s right

posted on October 30, 2019
3. ## Social Studies

sup peeps

posted on October 30, 2019
4. ## Social Studies

Wait who is it then

posted on September 30, 2019
5. ## Social Studies

I think

posted on September 30, 2019
6. ## Social Studies

And its MRS sue

posted on September 30, 2019
7. ## History

CAA is correct woah motion

posted on September 29, 2019
8. ## math

Miss sue you deserve better

posted on September 28, 2019
9. ## math

Omg inappropriate

posted on September 28, 2019
10. ## Science helpppp

Just hit the woah thanks

posted on September 27, 2019
11. ## Science

Just hit the woah CA CA is correct

posted on September 27, 2019
12. ## History

Fye is right I got a 100!!!!!

posted on September 20, 2019
13. ## science

17 20 what did yall put

posted on September 13, 2019
14. ## Math

.08x = 80000 80000/.08 = x x= \$1,000,000

posted on August 20, 2019
15. ## history

what is it

posted on July 25, 2019
16. ## English

k

posted on July 8, 2019
17. ## ALGEBRA 1

posted on January 30, 2019
18. ## Trigonometry

h

posted on July 3, 2018
19. ## English

a

posted on May 3, 2018
20. ## Math

You save money in a shoebox under your bed. At first, you had \$16.25 in the box. Each week you put your \$3 in the shoebox. You spend \$4.25 on ice cream each week. In how many weeks will your money run out?

posted on February 16, 2018
21. ## Pre-Algebra

I want to know the answer

posted on February 3, 2018
22. ## Programming

37.5

posted on October 4, 2017
23. ## Physics

1.0 x 10^-7

posted on June 12, 2017
24. ## Math

thank you

posted on May 1, 2017
25. ## Language Arts

thank you so much

posted on April 20, 2017
26. ## Health

thx boo

posted on April 14, 2017

Select the rebuttal statement that BEST refutes the viewpoint in section one. A) It is necessary to oversee the athletes involved in mixed martial arts. B) It is unnecessary to oversee the athletes involved in mixed martial arts. C) It is necessary for

posted on March 20, 2017
28. ## math

which expression has the same value as -3+(-5)

posted on November 17, 2016
29. ## PHYSICS

9 kg

posted on November 3, 2016
30. ## physics... last one

kjkkk

posted on October 10, 2016
31. ## chemistry

55.3

posted on March 13, 2016
32. ## science

jl

posted on March 11, 2016
33. ## Finance

36%

posted on July 26, 2015
34. ## GEOMETRY MIDPOINT FORMULA steve how did this hapn

What formula did you use?

posted on November 14, 2014
35. ## ethics

Proportionality

posted on November 5, 2014
36. ## math

12+13 which equals...25!!

posted on September 2, 2014
37. ## Math

Ok

posted on September 1, 2014
38. ## psychology

unconditioned stimuli is men attracted to women

posted on July 7, 2014
39. ## HISTORY

yes

posted on November 15, 2013
40. ## Chemistry

"I am working on a problem like this one. I don't understand how you got to 51.4 from 30500 + (-20,907) = 51.4 kJ. Can you explain?" The 30500 should be negative: -30500+(-20907) This gives you -51407 J/mol. Convert to kJ: -51.407 kJ/mol or -51.4 kJ/mol.

posted on July 8, 2013
41. ## science

A volcano

posted on May 5, 2013
42. ## science

Hello i don't know i was trying to look for that to

posted on May 5, 2013
43. ## college physics

24.633m/s

posted on March 29, 2013
44. ## health

b is wrong

posted on November 29, 2012
45. ## University Chemistry (first year)

jkk

posted on October 17, 2012
46. ## math

Thank you it was right on the money... so to speak.

posted on July 2, 2012