Q165 / 225 · JEE Main 2004 · Physics

A ball is thrown from a point with a speed $v_0$ at an angle of projection $\theta$. From the same point and at the same instant person starts running with a constant speed $v_0 / 2$ to catch the ball. Will the person be able to catch the ball? If yes, what should be the angle of projection?

  • Correct answer
    A
    yes, $60^{\circ}$
  • B
    yes, $30^{\circ}$
  • C
    no
  • D
    yes, $45^{\circ}$

Solution

$\mathrm{v}_0 \cos \theta=\frac{\mathrm{v}_0}{2}$ $\Rightarrow \theta=60^{\circ}$

Hence, the correct answer is option: 'A'.

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