You drive your car for 2.0 h at 40.0 km/h,then for 2.0 h at 60.0 km/h. What is your average velocity

Physics
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You drive your car for 20.0 h at 40.0km/h,then for 2.0 h at 60.0 km/h. What is your average velocity?

Sep 7th, 2015

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 First time 20 hours at a speed of 40 km/hr

Second time 2 hours at 60 km/h

First Distance= 40 x 20

=800 Km

second distance= 2 x 60

=120 km

Total Distance 120 + 800=920 Km


Total Time = 22 Hours


Average Velocity = Distance/ time

=920/22

= 41.81818  Km/hr

Converting it to  M/Seconds

Total distance is 920 Km = 920000m

Total Time  22 hours = 79200  s


velocity = 11.61616  m/s



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Sep 7th, 2015

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