Determining the activity of the sample
A pure sample of 226 Ra includes 2.0 x 10^14 atoms of the isotope. When the half-life of 226 Ra = 1.6 x 10^3 years, determine the activity of the sample?
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A proton traveling at 27.8° with respect to the direction of the magnetic field of strength 3.57 mT undergoes a magnetic force of around 9.24 x 10-17 N. Compute (i) the speed of proton and (ii) its kinetic energy (in eV).
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Question: Why does education increase political participation? Need Assignment Help? Question options:
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