Question

A child in danger of drowing in a river is being carried downstream by a current that flows uniformly at a speed of m/sec. The child is 600m from shore and 800m downstream of a helipad when the rescue helicopter sets out and the helicopter follows the 80 same direction throughout the motion. If the helicopter proceeds at its maximum speed of m/sec. with respect to air and air is 3 blowing with velocity of 4m/sec perpendicular to river flow velocity as shown, then the time (in sec) taken by helicopter to reach the child.​

Answer 1

Answer:

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Explanation:

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