A car is moving towards east with a speed of \( 25 \mathrm{~km} \mathrm{~h}^{-1} \). To the driv...

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A car is moving towards east with a speed of \( 25 \mathrm{~km} \mathrm{~h}^{-1} \). To the driver of the car, a bus appears to move towards north
\( \mathrm{P} \) with a speed of \( 25 \sqrt{3} \mathrm{~km} \mathrm{~h}^{-1} \). What is the actual velocity

W of the bus?
(1) \( 50 \mathrm{~km} \mathrm{~h}^{-1}, 30^{\circ} \mathrm{E} \) of \( \mathrm{N} \)
(2) \( 50 \mathrm{~km} \mathrm{~h}^{-1}, 30^{\circ} \mathrm{N} \) of \( \mathrm{E} \)
(3) \( 25 \mathrm{~km} \mathrm{~h}^{-1}, 30^{\circ} \mathrm{E} \) of \( \mathrm{N} \)
(4) \( 25 \mathrm{~km} \mathrm{~h}^{-1}, 30^{\circ} \mathrm{N} \) of \( \mathrm{E} \)
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