Quizzes, tests, exercises and puzzles for English as a Second Language (ESL), English as a foreign language (EFL), Teaching EFL (TEFL), Test of EFL (TOEFL), English for speakers of other languages (ESOL), Teaching ESOL (TESOL), TOEIC.
Unit
Unit : second (" or s or sec) Formula : 1/60*minute_angular in si : 4.85E-06 si unit : radian(rad) in cgs : 4.85E-06 cgs unit : radian(rad) Category : angle. .. More >>