A boat is sent across a river with velocity 8 km h⁻¹ relative to water. If its resultant velocity relative to ground is 10 km h⁻¹, the river speed is:
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A boat is sent across a river with velocity 8 km h⁻¹ relative to water. If its resultant velocity relative to ground is 10 km h⁻¹, the river speed is:
Options