The Ariane 5 satellite launch vehicle failed because:

A. a faulty on-board computer caused the other computers in the network to crash repeatedly.

B. a bad sensor fed faulty information into the flight control computer, causing it to fail.

C. the rocket's on-board computer sent back faulty information to ground control, causing the human controllers to destroy the rocket.

D. code that worked correctly on the Ariane 4 failed on the Ariane 5.

is it D

1 answer

http://www.google.com/search?q=Ariane+5+satellite+launch&oq=Ariane+5+satellite+launch&aqs=chrome..69i57.2707j0j7&sourceid=chrome&es_sm=122&ie=UTF-8#q=ariane+5+launch+failure

If we here at Jiskha have to Google these topics for you, then I have to ask why you don't use Google yourself in the first place?