Want to know:
流速が毎時8kmの川の上流と下流にある2地点を船で往復する。船の下りは流れにのり、静水時での通常の速さで運行したが、上りは静水時での通常の速さの1.5倍で運行して往復。しかし、それでも上る時に要した時間が、下る時に要する時間の2倍かかった。船の静水時での通常の速さは?
Get a detailed, AI-powered explanation for this question and thousands more on StudyFetch.
Get the Answer for FreeHow StudyFetch Helps You Master This Topic
AI-Powered Answers
Get instant, detailed explanations powered by AI that understands your course material.
Deep Understanding
Go beyond surface-level answers with step-by-step breakdowns and examples.
Personalized Learning
Spark.E adapts to your learning style and helps you connect ideas.
Practice & Test
Turn any question into flashcards, quizzes, and practice tests to solidify your knowledge.
Explore More Questions
- . Who was the African American preacher who led a slave rebellion in Virginia in the 1830s?
- Nitrobacter bacteria use carbon dioxide for their carbon source and nitrate ions as an energy source. This organism is a __________.
- A nurse is teaching a client who is at 23 weeks of gestation about immunizations. Which of the following statements should the nurse include in the teaching?A. "You should not receive the rubella vaccine while breastfeeding."B. "You should receive a vaccine before you deliver."C. "You can receive an influenza vaccination during pregnancy."D. "You cannot receive the Tdap vaccine until after you deliver."