PhysicsMedium68×since 2002Q7584A small ball of mass m is thrown upward with velocity u from the ground. The ball experiences a resistive force mkv² where v is its speed. The maximum height attained by the ball is :A1ktan−1ku22g{1 \over k}{\tan ^{ - 1}}{{k{u^2}} \over {2g}}k1tan−12gku2B12ktan−1ku2g{1 \over {2k}}{\tan ^{ - 1}}{{k{u^2}} \over g}2k1tan−1gku2C12kln(1+ku2g){1 \over {2k}}\ln \left( {1 + {{k{u^2}} \over g}} \right)2k1ln(1+gku2)D1kln(1+ku22g){1 \over k}\ln \left( {1 + {{k{u^2}} \over {2g}}} \right)k1ln(1+2gku2)Check answerSkip