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DᴀʀᴋPᴀʀᴀᴅᴏx

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

The given relationship can be depicted as :

  • [tex]M \propto r {}^{2} [/tex]

  • [tex]M = k \: {r}^{2} [/tex]

where, k is the proportionality constant.

now, let's plug the value of M and r to find the value of proportionality constant .

  • [tex]14 = k \times {2}^{2} [/tex]

  • [tex]14 = k \times 4[/tex]

  • [tex]k = 14 \div 4[/tex]

  • [tex]k = 3.5[/tex]