Ship A is travelling with a velocity of 5 kmh ^ -1 due east. The second ship is heading…
Physics · JEE Main · NTA Exams — Kinematics
Ship A is travelling with a velocity of 5 \(\mathrm{kmh}^{-1}\) due east. The second ship is heading 30° east of north. What should be the speed of second ship if it is to remain always due north with respect to the first ship?
- 10 \(\mathrm{kmh}^{-1}\)
- 9 \(\mathrm{kmh}^{-1}\)
- 8 \(\mathrm{kmh}^{-1}\)
- 7 \(\mathrm{kmh}^{-1}\)
Answer
(A) 10 kmh ^ -1
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