Determining the current in the loop
A single-turn circular loop of radius 6.2 cm is to produce a field at its center that will just cancel the earth's field of magnitude 0.7 G directed at 70 below the horizontal north direction. Find the current in the loop.
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Its equilibrium position is at x=0. It is pulled aside a distance (A) and released. What is the speed of the mass as it passes the position x=A/2 (in terms of k,m, and A)?
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How can differential centrifugation be utilized to isolate and concentrate chloroplasts?
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