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PHYS124 Lecture 1: Physics 124

Canada

Particles and Waves

Physics

Al Meldrum

University of Alberta

Molecular Genetics and Heredity

Introduction to Molecular Cell Biology

<p>PLEASE PROVIDE STEP BY STEP WORKING SOLUTION TO THIS PROBLEM<br><br>Q#1<br><br>Initially, there are 6*10power 9 radioactive of element 'w' (decayconstant 0.173/day) in a sample. As a nucleus of 'w' decays, itconverts 2.67*10 power -28 kg of its mass to energy and releasesthe energy. how much time (in days) is required for sample torelease a total of 7.2*10power -4 j?<br>(a) 0, (b) 0.000290, (c) 0.00571, (d) 0.00943 ,(e) 0.0137, (a,b)0.0290,<br>(a,c) 0.0571, (a,d) 0.290, (a,e) 0.571, (b,c) 3.29</p>

<div>Q#1</div> <div>Initially there are 6*10power9 radioactive ofelement w (decayconstant 0.173/day) in a sample. As anucleus of w decays, itconverts 2.67 *10power -28 kg of itsmass to energy and releases theenergy. How much time(in days) is requirede for the sample torelease a total of7.2 *10power -4 j?</div> <div>(a) 0</div> <div>(b)0.000290</div> <div>(c) 0.00571</div> <div>(d)0.00943</div> <div>(e)0.0137</div> <div>(a,b)0.0290</div> <div>(a,c) 0.0571</div> <div>(a,d)0.290</div> <div>(a,e)0.570</div> <div>(b,c)3.29</div>

<div>Q #1 Please show step by step to the solution</div> <div>Initially there are 6*10power 9 radioactive ofelement w (decayconstant 0.173/day) in a sample. As anucleus of w decays, it converts 2.67*10power -28 kg of its massto energy and releases the energy. Howmuch time (in days) isrequired for the samplwe to release a totalof 7.2*10 power -4j?</div> <div>(a) 0</div> <div>(b) 0.000290</div> <div>(c) 0.00571</div> <div>(d) 0.0137</div> <div>(e)0.00943</div> <div>(a,b) 0.0290</div> <div>(a,c) 0.0571</div> <div>(a,d) 0.290</div> <div>(a,e) 0.571</div> <div>(b,c) 3.29</div>

PHYS124 Lecture 1: Physics 124

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