1. A physical equation A =5-sin(BC), where A has the dimensions L/M, and C has the dimensions L/T. So B has the dimensions ______

詳解 (共 1 筆)

助人為本
助人為本
詳解 #7383351
2026/05/25
解這題不要被A的資訊所騙
數字*sin(肚子裡只能裝沒有因次的東西)
所以重點是在[B]*[C]=1(沒有因次)
然後題目有給C的因次為L/T
所以B的因次為T/L