Can you suggest one way to make the paper helicopter turns more rounds during free falling? Try to design a scientific investigation to test your idea.
Draw a conclusion.
(Please answer the question most completely and clearly and please answer in English)
Draw a conclusion....... Science question (15)
2006-11-25 4:19 am
回答 (1)
2006-11-25 5:34 am
✔ 最佳答案
Fall the paper helicopter at a higher height.As it starts at a higher height, the time before it reaches the ground would be longer. Therefore, it can have more time to turn more rounds.
收錄日期: 2021-04-23 16:08:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061124000051KK03640