VECTORS
Situation. For vectors A = 8i + 4j - 2k and B = 2j + 6k.
(i) Find the magnitude of the sum A plus B
(ii) Find the dot-product A dot B
(iii) Find the magnitude of the cross-product A cross B
SOLID MENSURATION
Three adjacent faces of a rectangular parallelepiped measures 8 square inches, 10 square inches, and 20 square inches, respectively. Find its volume.
DYNAMICS
A Ferris wheel, 9 m in radius, is rotating such that the riders will experience zero gravity at the topmost part of the wheel. How many revolutions it made in every minute?
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