For the two slit interference experiments, describe what happens to the observed pattern when: (a) The width of the slits are held constant, but the spacing between the slits is changed. (b) The spacing between the slits is held constant but the width of each slit is changed.

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The boat's velocity relative to the riverbank can be resolved into two components. the component going north is 2.7 m/s and the component going west is 1.2 m/s.we add these two vectors and then find the magnitude of the resultant to get the speed.the magnitude of the resultant vector from adding can be obtained by the pythagorean theorem.    to two significant figures, the boat's speed relative to the riverbank is 3.0 m/s.

Your answer would be the sun