Wind Energy

• When will I have access to the lectures and assignments?

  Once you enroll for a Certificate, you’ll have access to all videos, quizzes, and programming assignments (if applicable). Peer review assignments can only be submitted and reviewed once your session has begun. If you choose to explore the course without purchasing, you may not be able to access certain assignments.

• What will I get if I purchase the Certificate?

  When you purchase a Certificate you get access to all course materials, including graded assignments. Upon completing the course, your electronic Certificate will be added to your Accomplishments page - from there, you can print your Certificate or add it to your LinkedIn profile. If you only want to read and view the course content, you can audit the course for free.

• What is the refund policy?

• Is financial aid available?

• Aerodynamics, how to find the right values of a and a'?

  1.The formula for finding x = ({Omega}* R )/v_0

  2.Solve[16 a^3 - 24 a^2 + a (9 - 3 x^2) - 1 + x^2 == 0, a]

  3. a is in interval (0<a<1)

  4. a' = (1 - 3 a)/(4 a - 1)

• How many numbers after comma I should enter?

  Coursera takes in unlimited about of numbers after comma, but we suggest you enter by approximation of 0.01, in cases where the answer is larger then 10000, the decimals are not necessary.

• Economics: Having problems with negative values!

  All answers are asked to be entered in absolute value.

• Economics: I am having problems with calculating NPV!

  You have included the present value of the decommissioning cost in the NPV calculation. We have not asked you to do that, so that is why answer is outside the range, but including these costs could also be done, so you are not entirely wrong.

More questions? Visit the Learner Help Center.