At time


At time $\mathrm{t}=0$ s particle starts moving along the $x$-axis. If its kinetic energy increases uniformly with time ' $t$ ', the net force acting on it must be proportional to :-

  1. $\sqrt{t}$

  2. constant

  3. $\mathrm{t}$

  4. $\frac{1}{\sqrt{t}}$

Correct Option: , 4


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