HCBBS Forum (日本語)
Submit Chemical Projects / Find Solutions
Amplify Your Requirements on a Broader Chemical Platform *Engineering · Technology · Equipment · Solutions*
Submit Request

【毎日一問】理論基礎 2020.02.11

2020-02-11View Original

Thread Content

選択問題:点が既知の軌道を持つ平面曲線上(図参照)を運動するとき、その速度の大きさは一定であり、加速度aは( )でなければならない。 (A)an=a≠0、aτ=0(an:法線加速度、aτ:接線加速度)(B)an=0、aτ=a≠0(C)an≠0、aτ≠0、an+aτ=a(D)a=0 答え:A ヒント:解き方の過程を説明できた人には追加報酬があります。答えは返信で確認できます!

Submit a Project

**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections

Submit Request — Free Consultation

Disclaimer

This is an automated machine translation of the original thread. Some technical terms may have inaccuracies; the original text shall prevail. Click "View Original" at the top right to access the source page, which supports IP-based automatic real-time language translation. Please watch out for contact details and sales inducements to prevent fraud. All content and translations are for reference only, representing solely the poster's personal views. For enquiries, email service@hcbbs.com.