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March 28, 2017

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please show me how to solve these:
1. Simpson drives his car with an average velocity of 48.0 km/h to the east. How long will it take him to drive 144 km on a straight highway?
answer=3.00 h
2. How much time would Simpson save by increasing his average velocity to 56.0 km/h to the east?
answer=0.43 h

  • Physics - ,

    distance=rate*time

    time= distance/rate

  • Physics - ,

    so i got the first one. but for the second one i did: t=144/56 and i got 2.57..i guess that is in hours..how would i change that to seconds?

  • Physics - ,

    nevermind...the answer is .43HOURS..how did i get 2.57 hours...this question is really bothering me

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