Problem related to mass of a star
The mass of a star is 1.49 x 1031 kg and it performs one rotation in 26.1 days. Find its new period (in /days) if the diameter suddenly shrinks to 0.59 times its present size. Assume a uniform mass distribution before and after.
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You want to load 15 μg of protein in 10 μL into one ofthe 12% polyacrylamide gel well. The protein needs to be in 1Xbuffer and in a total volume of 0.100 ml. You are given a 4.5 mg/mlprotein solution, a 20X sample buffer, and distilled water
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