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A parti

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A parti
  • 3 answers

Anushka Gupta 7 years, 5 months ago

And displacement =pie r

Anushka Gupta 7 years, 5 months ago

Distance = 7pie r not 70 pie r

Shikha Singh 7 years, 5 months ago

Time taken for1revolution=40sec 40sec=1revolution 1sec=1/40revolution No. Of revolutions in 2 min 20 sec =2×60+20×1/40=35revolutions Distance travelled in one revolution=2pie r So, Distance travelled in 35revolutions=35×2pie r=70 pie r Displacement=0
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