# HK

Most popular questions and responses by HK
1. ## Science, physics

A river is flowing with a speed of 8 km/h.a swimmer wants to reach point R from P.he swims with a speed of 8km per h.at an angle of theta greater than 90degree w.r.t river flow.if PQ=QR=800mthen value of thea is????????!option are,90°,.60°,45°,30°

2. ## Physics

A ball is projected vertically upward from the ground. The ball is at same height at t=3s and t=9s the height of ball at t=5s is......plz reply fast.....

3. ## Science,chemistry

How to find heat of transition for any reaction ???

4. ## SP180-Assignment 6_06 and7_07

a. Why banning the use of cell phones while driving should be mandatory nationwide b. What I see as the biggest challenges young adults face today can someone help me write these two assignment? ppls

5. ## Finance

A firm's bond's have a maturity of 10 years with a \$1,000 face value, an 8 percent semiannual coupon, are callable in 5 years at \$1,050, and currently sell at a price of \$1,100. What are their yield to maturity and their yield to call? What return should

6. ## Science,chemistry

The first ionization potential( EV) of Be and B respectively are????? Plz tell me how to find ionization potential of any element???????

You are working with the following equilibrium system in which one chromium complex is blue and one chromium complex is purple. The system is at equilibrium and is currently blue. Predict how the color will change if aqueous Ag+ ions are added. Ag+ reacts

8. ## Chemistry

Oxidation no of I3 raised to minus charge ion??

9. ## chemistry

You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 223.0 ppm and is initially uniform through the thickness of the

10. ## college_ethics applied

Match the following definitions of happiness to the theory: a. Egoism b. Virtue Ethics c. Natural Law d. Hedonism Happiness is a matter of fulfilling one's purpose in life. Happiness is a matter of immediate gratification, living for one's self in the

11. ## lasers

During laparoscopic laser surgery, the proper insufflating medium is CO2 gas, and the pressure of the insufflator should not be set higher than 15 torr? correct or wrong?

12. ## physics

If we are running on a threadmill with a speed such that I appear stationary and throw a ball, will the ball go further as compared to one who throws the ball while he is standing stationary. The concern is that though I appear stationary while I am

13. ## POL 201 American Government

Got 10/10 Question 1.1. The trajectory of cases from Marbury v. Madison demonstrate that the Supreme Court (Points : 1) ✓ A- had to stay within the confines of public opinion. B- always had supreme authority. C- was afraid of the states. D- needed to

14. ## chemistry

A latex balloon, wall thickness 3.091 x 10-4 m, contains helium at a concentration of 0.55 kg m-3. Under these conditions the total surface area of the balloon is 0.78 m2. The diffusion coefficient of He in latex at room temperature is 4.9 x 10-9 m2s-1.

16. ## Ethics Applied

Which theory emphasized thinking as if one were someone else, or everyone else? a. virtue ethics b. egoism c. utilitarianism d. Kantism (deontology) e. contractarianism Thanks for your help!

17. ## mr sus

In studying, reading, and listening, using the information you have learned in some way is important because:

1. ## Science,chemistry

I am not getting sir,from table how to find ionization potential for any element """"

posted on October 26, 2018
2. ## Managerial Economics

Ed=10

posted on March 5, 2018

a gun is fired in the air at a distance of 660 m from a person it hears the sound after two sec what is the speed of sound

posted on January 7, 2015
4. ## chemistry

im wrong 7%

posted on October 19, 2014
5. ## SP180-Assignment 6_06 and7_07

ASSIGNMENT 06 SP180 Principles of Public Speaking Directions: Be sure to make an electronic copy of your answer before submitting it to Ashworth College for grading. Unless otherwise stated, answer in complete sentences, and be sure to use correct English

posted on December 20, 2013
6. ## SP180-Assignment 6_06 and7_07

yes these are two assignment I will try to post how they need to be created

posted on December 20, 2013

k,h

posted on September 15, 2013
8. ## Chemistry

You wish to increase the carbon content of a slab of steel by exposing it to a carburizing atmosphere at elevated temperature. The carbon concentration in the steel before carburization is 223.0 ppm and is initially uniform through the thickness of the

posted on December 16, 2012

6453 because i need anb answer for thatr to

posted on October 23, 2012
10. ## Physics

how did you get 25723.87? can you show the complete calculation please?

posted on September 20, 2010
11. ## Ethics Applied

Actually, I came up with 2 already, and I stuck. I am supposed to find 4. Thanks for your help!

posted on November 5, 2008
12. ## Math check

7x-5 + 2sqrt(7x-5)sqrt(15x+4) + 15x+4 = 30x+31 2sqrt(7x-5)sqrt(15x-4) = 8x-32 sqrt [105x^2 - 28x - 75x + 20] = 4x - 16 105x^2 - 103x + 20 = 16x^2 - 128x + 256 89x^2 + 25x - 236 = 0 Solve for x

posted on October 29, 2008
13. ## Math

(5k^2)(u^2)(3z^2)+ 12(b^2)(d^2)(4bk^3) = 15(k^2)(u^2)(z^2) + 48(b^3)(d^2)(k^3) then factor: 3(k^2) [5(u^2)(z^2) + 16(b^3)(d^2)k

posted on October 29, 2008

y = 3t-3s 3s = (3t-y) s = (3t-y)/3

posted on October 29, 2008

@ Reiny: your answer is wrong. It should be this: (3x-2)(x-3) = 0 So, x=3; x=2/3 or 0.6666666 Have fun!

posted on October 29, 2008

x=3; x=0.6666666666

posted on October 29, 2008
17. ## math algerbra 2

slope = (y2 - y1)/(x2 - x1) so, [(k-3)/(1-2k)] = 2 (k-3) = 2(1-2k) => k = 1

posted on October 29, 2008
18. ## matha

b for sure

posted on October 27, 2008