標題: a math question (help~~~~) [打印本頁] 作者: victorique 時間: 23-10-2011 14:28 標題: a math question (help~~~~)
Q: Harry's walking speed is measured to be 2.5m/s. if the percentage error is 2%, suggest THREE possible actual values of his walking speed 作者: 13少 時間: 23-10-2011 15:27
THREE possible actual values of his walking speed:
1. 2.5 x 1-2% = 2.5 x .98 = 2.45m/s
2. 2.5m/s
3. 2.5 x 1+2% = 2.5 x 1.02 = 2.55m/s
