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Q. A bicycle wheel is rotationally accelerated at the constant rate of 1.2 rev/s^2.

(a) if it starts from rest, what is its rotational velocity after 6s?

(b) Through haow many revolutions does it turn in this time?

Q. Coherent light with wavelength 610 passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 from the slits. The first-order bright fringe is a distance of 4.84 from the center of the central bright fringe.

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