Find distance between enemy and radar. enemy=2×10^-4. and speed of radar =3×10^8 m/s
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Gudnyt
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Distance to travel = 2×10⁴ m
Speed of radar = 3×10⁸ m/s
Time taken to reach enemy ship = Distance / Time
= 2×10⁴ / 3×10⁸
= 2/3 × 10⁻⁴ s
Time taken to reach back = 2/3 × 10⁻⁴ s
Therefore total time taken = 2/3 × 10⁻⁴ + 2/3 × 10⁻⁴
= 4/3 × 10⁻⁴ s
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