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I have been working on this problem for a while now, and it's supposed to be really simple, but I can't get the solution can you sort of guide me through this problem, and show me the equations you used?
Problem: A radioactive sample containing 1.35 x 1017 nuclei has activity 2.57 x 1012 Bq.
A- What is this nuclide half-life?
Please keep answer short and simple and please no copy and paste.
a 3 kg mass attached to a spring oscillates with a period of 0.5 seconds and amplitude of 1/4 meter. find the maximum speed of the mass
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Induced emf measurements can be used to measure the speed of a conducting fluid such as sea water. If a 20 cm inner diameter nonconducting pipe has sea water flowing through it at a flow rate of 10 gal/min and a uniform magnetic field of 0.05 T is ap..
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Humans cool off by perspiring; the evaporating sweat removes heat from the body. what is the entropy change of the universe due to the evaporation of 215 mL of sweat
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