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January 31, 2015

January 31, 2015

Posted by **Haleigh** on Sunday, September 16, 2012 at 7:01pm.

- Physics -
**Elena**, Monday, September 17, 2012 at 5:00pmv1=88 km/h =88000/3600=24.4 m/s

v2= 75 km/h =75000/3600=20.8 m/s.

v1•t-v2•t=80

t=80/(v1-v2) =80/(24.4-20.8) = 22.43 s.

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