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CBSE Class 11-science Answered

please help me
Asked by Harshvardhan | 25 Sep, 2009, 04:04: PM
answered-by-expert 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

Regards,

Team,

TopperLearning.

Answered by | 25 Sep, 2009, 08:39: PM

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