CBSE Class 11-science Answered
please help me
Asked by Harshvardhan | 25 Sep, 2009, 04:04: PM
Expert Answer
SI unit of speed is m/s.
1 mi = 1609 m.
1 hr = 3600 sec.
0.020 mi/hr = 0.020 x 1 mi / 1 hr = 0.020 x 1609 m / 3600 sec = 0.0089 m/sec
70 mi/hr = 70 x 1 mi / 1 hr = 70 x 1609 m / 3600 sec = 31.29 m/sec
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Answered by | 25 Sep, 2009, 08:39: PM
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