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A boy is Walking Alone on a road with and velocity 1.5 km per hour take to cover the distance 820 metre Express the velocity in the metre per second find the time taken to cover distance 820 metre

Posted by Jeevitha R 4 years, 1 month ago

CBSE > Class 09 > Science

1 answers

Pratyush Pradyun Subrata 4 years, 1 month ago

To Express the velocity in m/see need to multiply 1000 to 1.5 and 1 hr=3600 sec.then divide both . 1500/3600 =0.41 To find time taken we can use the formulae . Velocity =total displacement/total time. Total displacement =820 m V=0.41 m/s Total time =displacement/velocity. Time =820/0.41 Time =2000 sec.

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