Question

Balls A and B are thrown from two points lying on the same horizontal plane separated by a distance 120 m. Which of the following is true?

Moderate

Solution

Two balls will meet, if (50 cos 37⁰) t_A = 120 or t_A = 3 s
Vertical component of A is 50 sin 37⁰ or 30 $m s^{- 1}$ so they will
meet, if thrown simultaneously.
$h_{A} = h_{B} = 30 \times 3 - \frac{1}{2} \times 10 \times (3)^{2} = 45 m$

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