text: The river speed is 1.5 m / s. What speed relative to the water should the boat have to move
  
  The river speed is 1.5 m / s. What speed relative to the water should the boat have to move perpendicular to the shore at a speed of 2.6 m / s relative to the shore?
  
  Given:
  V rivers = 1.5 m / s;
  V = 2.6 m / s.
  Find: v1.
  Decision:
  Let’s mentally create a triangle of three speeds. The speed of the river is parallel to the bank. A speed equal to 2.6 will, on the contrary, be perpendicular to the coast, and the speed that we need to find will be the hypotenuse between these two vectors, which we can designate the above speeds.
  So we can use the Pythagorean theorem. Let’s make the equation:
  V1 = root of V river ^ 2 + V.
  Next, we substitute the values ​​we know, and we will find the answer.
  V1 = root of 2.6 ^ 2 + 1.5 ^ 2 = 3 m / s.
  Let’s convert to another number system.
  3 m / s = 10.8 km / h
explanation: The document contains a math question and a detailed solution to the problem. The question asks for the speed relative to the water that a boat should have to move perpendicular to the shore at a given speed relative to the shore. The solution uses the Pythagorean theorem to find the required speed.
distilabel_metadata.content: Evaluate the user given text extract and determine if it contains a math question and optionally and answer to this question.
  
  Output rules:
  
  1. Briefly describe the document and mention if it contains a question or a question and answer.
  2. Finalize the output with: Label: no-question,question,question-and-answer,multiple-question,multiple-question-and-answer
distilabel_metadata.role: system
distilabel_metadata.content: The river speed is 1.5 m / s. What speed relative to the water should the boat have to move
  
  The river speed is 1.5 m / s. What speed relative to the water should the boat have to move perpendicular to the shore at a speed of 2.6 m / s relative to the shore?
  
  Given:
  V rivers = 1.5 m / s;
  V = 2.6 m / s.
  Find: v1.
  Decision:
  Let’s mentally create a triangle of three speeds. The speed of the river is parallel to the bank. A speed equal to 2.6 will, on the contrary, be perpendicular to the coast, and the speed that we need to find will be the hypotenuse between these two vectors, which we can designate the above speeds.
  So we can use the Pythagorean theorem. Let’s make the equation:
  V1 = root of V river ^ 2 + V.
  Next, we substitute the values ​​we know, and we will find the answer.
  V1 = root of 2.6 ^ 2 + 1.5 ^ 2 = 3 m / s.
  Let’s convert to another number system.
  3 m / s = 10.8 km / h
distilabel_metadata.role: user
distilabel_metadata.raw_output_q_a_detector_0: The document contains a math question and a detailed solution to the problem. The question asks for the speed relative to the water that a boat should have to move perpendicular to the shore at a given speed relative to the shore. The solution uses the Pythagorean theorem to find the required speed.
  
  Label: question-and-answer