Flight mechanics ( 1 question only from an exam)

its a question has 2 parts .. Q1) Define a dimensional statement and discuss how such a thing may be obtained from known relationships between quantities. Describe the need for dimensional homogeneity in equations.

Q2) A sailplane has a wing area of 20.25 m2. Its wing has a straight-tapered (trapezoidal) planform with an aspect ratio of 16 and a taper ratio of 0.8. Find:
(i) the span of the wing
(ii) the mean aerodynamic chord
(iii) the wing root and tip chords

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