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Laws of Motion question

2020 · 4 Sep · Shift 2 · Q58
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  5. /2020 · 4 Sep · Shift 2 · Q58

Laws of Motion question

2020 · 4 Sep · Shift 2 · Q58

JEE MainPhysicsLaws of MotionMCQ+4 / −1
A 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 :
  1. A
    1ktan⁡−1ku22g{1 \over k}{\tan ^{ - 1}}{{k{u^2}} \over {2g}}k1​tan−12gku2​
  2. B
    12ktan⁡−1ku2g{1 \over {2k}}{\tan ^{ - 1}}{{k{u^2}} \over g}2k1​tan−1gku2​
  3. C
    12kln⁡(1+ku2g){1 \over {2k}}\ln \left( {1 + {{k{u^2}} \over g}} \right)2k1​ln(1+gku2​)
  4. D
    1kln⁡(1+ku22g){1 \over k}\ln \left( {1 + {{k{u^2}} \over {2g}}} \right)k1​ln(1+2gku2​)
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