# Shayne

Popular questions and responses by Shayne
1. ## Physics

A pilot wishes to fly 450 km due south in 3 hours. A wind is blowing from the west at 50 km/hr. By means of a vector diagram, compute the proper heading and speed that the pilot must choose to achieve this objective.

2. ## calculus

Find an equation of the normal line to the parabola y = x2 − 7x + 5 that is parallel to the line x − 3y = 3.

3. ## Math

An airplane is going 300 mph at a bearing of N 55 degrees E. The wind is blowing 30 mph due East. What is the actual speed and direction of the plane?

4. ## Physics

A pilot wishes to fly to a point 450 km due south in 3 hours. A windis blowing from the west at 50 km/hr. By means of a vector diagram, compute the proper heading and speed that the pilot must choose to achieve this objective.

Consider the reaction N2 + 3H2 in equilibrium with 2 NH3 . At 25°C Ho = -92.22 kJ and So = -198.53 J/K. Using this information, calculate the equilibrium constant for the reaction at 226°C. (R = 8.314 J/K) Enter your answer using TWO significant figures.

6. ## Physics

A construction worker attempts to pull a stake out of the ground by pulling on a rope that is attached to the stake and makes an angle of 60.0 degrees with the horizontal. Then worker exerts a force of 125 newtons on the rope. What is the magnitude of the

7. ## math

4 men built a wall in 11 days. How long would it take 1 man to build the wall working at the same rate?

8. ## Chemistry

When 0.59 mol I2(g) and 0.59 mol H2(g) are placed into a 1.0-L container at a given temperature, 0.30 mol H2(g) is found to be present after the reaction below reaches equilibrium. Calculate Kc at the given temperature. I2(g) + H2(g) 2HI(g)

9. ## Algebra 1: Help Please URGENT!

A circle is inscribed in a square. The number of square units in the area and the number of units in the perimeter of the square are the same. What is the area of the circle in terms of pi? Explain your thought process. I completely don't understand this

10. ## Chemistry

What wavelength of light would be emitted when an electron in a hydrogen atom drops from energy level 5 to energy level 1?

11. ## Math

How do i find the x and y intercept of y=5(3^x)

12. ## english

what is the subject in the following sentece... these past three days have been quiet and enjoyable

13. ## Chemistry

A mixture of gases contains 2.41 moles of O2, 1.24 moles of H2 and 1.92 moles of C. Calculate the partial pressure of gases if the total pressure is 3.0 atm

14. ## science

what are controls & variables???? got a prac coming up and need 2 know!!! thnx xx

15. ## Algebra 1

A circle is inscribed in a square. The number of square units in the area and the number of units in the perimeter of the square are the same. What is the area of the circle in terms of pi? Explain your thought process. I completely don't understand this

16. ## Math

If im changing the subject of an equation to make x the subject with x^2=n what do i do to the side n when i take ^2 away. do i square it or take the square root?. Does this apply to any power, ie would it be the same if x^(2/1)=n or x^(3+6)=n

1. ## PRE-ALGEBRA

No Ms. Sue. I got thissss.

posted on March 14, 2013
2. ## English

yes

posted on March 14, 2013
3. ## Algebra

2 x 2 x 5 x 5 x 7 x 11 x 13

posted on March 14, 2013
4. ## PRE-ALGEBRA

5x+7y=12 Original Problem 5(36-7y)+7y=12 Substitute x for 36-7y 180-35y+7y=12 Distributive Property 180-28y=12 Combine Like Terms -28y=-168 Subtract 180 from both sides y=6 Isolate variable y by dividing -28 from both sides.

posted on March 14, 2013
5. ## math

12.8333 LOL

posted on December 7, 2011
6. ## physics

LOL. I got the same problem, I really can't find any answer or solution for it.

posted on December 7, 2011
7. ## physics

lol. He forgot to ask a question

posted on September 16, 2011
8. ## math

18.......i think..:D

posted on April 4, 2011
9. ## science

thnx

posted on March 19, 2011
10. ## art

1.B i think

posted on March 18, 2011
11. ## science

thnx...so wat would the controls & variables b for a experiment involving seperating salt from water???

posted on March 18, 2011
12. ## College Calculus 1

I have no fricken clue. That's why I fricken hatee MATH. LIKE HOLY FRICK! WHY THE FRICK DO WE HAVE TO LEARN?

posted on October 4, 2010