Discuss what fraction of the initial number of the c-11
Discuss what fraction of the initial number of the C-11atoms in a sample will remain after 81 minutes? Carbon-11 is a radioactive isotope of carbon. Its half-life is 20.3 minutes.
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As the man reaches the horizontal section, he grabs a 20 kg back-pack and skis off a 2.0 m high ledge. Determine at what horizontal distance from the edge of the ledge does the man land?
How can determine the numbers of mg of polonium from an original sample of the 2.0mg will remain after the 8.0 years when the Po-208 is an alpha emitter with a half-life of 2.90years.
In the small rowboat, it took Alice six hours to go six miles upstream, but she was able to return to the starting point in only 45 minutes. Suppose the rowing speed was constant, find the speed of current?
Synthesis of a Hetero cycle: Write down a detail mechanism for the formation of acid catalyzed hydrolysis of methyl benzoate (Esterification) and 2,3-dimethylquinoxaline.
A constant tangential force of 290 N exerted to its edge causes the wheel to encompass an angular acceleration of 1.094 rad/s2. (i) Determine the moment of inertia of the wheel?
The window washer accidentally drops the bucket from top of 64-foot building. Height (h) of bucket after t seconds is provided by given formula: h=-16t^2+64. How long will it take for bucket to hit ground?
Write down a balanced equation for the reduction of nitrophthalhydrazide to amino phthalhydrazide using the sodium hydrosulfite, which is oxidized to bi sulfite.
When the refracted ray emerges at the point P where the sphere intercepts the optical axis, determine the refractive index of the sphere?
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