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A car of mass 1200 kg travelling with speed of 60 km/h on a straight road is ahead of a scooter travelling with speed of 60 km/h, then what will the speed of centre of mass of these vehicles?Mass of scooter is 80kg |
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Answer» `60km//h` `v_(CM)=(m_(1)v_(1)+m_(2)v_(2))/(m_(1)+m_(2))` `=(1200xx60+80xx60)/(1200+80)` `=(72000+4800)/(1280)=(76800)/(1280)` `=60km//h` |
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