Q#1 PLEASE SHOW FULL STEP BY STEP SOLUTION

Initially there are 610power9 radioactive ofelement w (decayconstant 0.173/day) in a sample. As anucleus of w decays, itconverts 2.6710 power -28 kg of itsmass to energy and releases theenergy. How much time (in days) isrequirede for the sample torelease a total of 7.2*10power -4j?

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Irving HeathcoteLv2

5 Jan 2019

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PLEASE PROVIDE STEP BY STEP, EASY TO FOLLOW AND TO UNDERSTAND, ANDHOW YOU APPLIED THE FORMULAR AND THE EXLANATION OF THE FORMULAR INSOLVING THE FOLLOWING PROBLEM

QUESTION #1

Initially there are 6*10 power 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*10 power -4 J?

(A) 0, (B) 0.000290, (C)0.00571, (D) 0.00943, (E) 0.0137, (A,B)0.0290 , ( A,C) 0.0571, (A,D) 0.290 ,(A,E) 0.571, (B,C) 3.29

Q#1 Please show full working solution. Thesolutionpresented earlier for this problem wasn't clear sothat is why ire-sent it for more clearification. please helpme.Thank you

Initially there are 6*10 power 9 radioactive ofelement w(decay constant 0.173/day or per day) in asample. As a nucleus of wdecays, it converts 2.67 *10power-28 kg of its mass to energy andreleases the energy. How much time(in days) is required for thesample to release a total of7.2*10power -4 j?