Which string will be parsed by the following CFG? (Question In relation to (IA) artificial intellgence)
S → AAB
A → BBB
B→ ab

Answers:
A. ababababab
B. ab
C. abababab
D. ababab
E. aabb

If you were designing a bumper for a car, would you prefer it to exhibit elastic or plastic deformation? why? consider the functions of a bumper in both a minor "fender-bender" and a major collision.

Afluid flows with a velocity field given by v=(x/t)i.. determine the local and convective accelerations when x=3 and t=1.

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