Solve: (2)^2=2(27.8)x

A small airplane can accelerate at 2.0 meters per second squared. It must reach a speed of 27.8 meters per second in order to take off. The final velocity is ginven by the function v^2 =after 2ax, wj3re x is the length of the runway and a is the acceleration. How long must the runway be for this airplane to take off? Round ir answer to the nearest 10th.
in Algebra 1 Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

v2=u2+2ax where u is the initial velocity=0 (plane starts from rest).

a=2m/s2, v=27.8m/s, x=v2/(2a)=772.84/4=193.21m.

The length of the runway must be at least 193.2m.

by Top Rated User (1.2m points)

Related questions

1 answer
x^3=27/64 Solve for x.
asked Sep 5, 2014 in Algebra 1 Answers by anonymous | 3.1k views
2 answers
how do i solve for x in 27-11x=x-33
asked Feb 28, 2014 in Pre-Algebra Answers by anonymous | 2.3k views
1 answer
Solve the inequality for x. 7+5x>27
asked Apr 25, 2013 in Algebra 1 Answers by anonymous | 1.5k views
1 answer
solve algebraically for all values of x 81^x^3+2x^2=27^5x/3
asked Feb 26, 2013 in Algebra 2 Answers by anonymous | 2.9k views
1 answer
27^5x-6= (1/81)^3x-9 solve for x
asked Dec 6, 2012 in Algebra 1 Answers by anonymous | 970 views
1 answer
solve for x. x^-3=(27/64)
asked Sep 30, 2012 in Trigonometry Answers by anonymous | 3.4k views
1 answer
solve for x. 27=9x
asked Sep 4, 2012 in Algebra 2 Answers by anonymous | 1.1k views
2 answers
How to solve x^3 - 27
asked Jan 25, 2012 in Algebra 1 Answers by blueeyeddemon81 Level 1 User (120 points) | 1.9k views
2 answers
27^2x-1=9^10x+2
asked Dec 11, 2015 in Algebra 2 Answers by anonymous | 891 views
1 answer
27^(2x)=9^(x+1)
asked Apr 7, 2013 in Algebra 1 Answers by anonymous | 678 views
1 answer
-1/9(x-27)+1/3(x+3)=x-17
asked Mar 22, 2013 in Algebra 1 Answers by anonymous | 874 views
3 answers
What times what equals 27 but adds to get 12
asked Mar 12, 2013 in Algebra 1 Answers by anonymous | 1.5k views
1 answer
√((9^(x+3))/(27^x))=81
asked Jan 29, 2013 in Calculus Answers by anonymous | 1.1k views
1 answer
(81 * (-3)^x)^x=27
asked Dec 10, 2012 in Algebra 2 Answers by anonymous | 854 views
2 answers
In x+9=4x-27 what is x?
asked Nov 29, 2012 in Geometry Answers by anonymous | 744 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,279 answers
2,420 comments
732,312 users