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March 4, 2015

March 4, 2015

Posted by **Jade** on Tuesday, June 24, 2014 at 8:41pm.

2. Sam travels by car from one city to another. He drives for 45.0 min at 95.0 km/h, 30.0 min at 100.0 km/h, and he spends 25.0 min eating lunch and buying gas. Determine (a) the total distance traveled and (b) the average speed for the entire trip.

- Physics -
**MathMate**, Wednesday, June 25, 2014 at 7:17amUsing

Distance = speed * time

(a)

Total time of travel

=800m/6s + 800m/8s

= 233.3s

(b)

Total distance = 800+800=1600m

Average speed = total distance/total time

=1600m/233.3s

= 6.86 m/s

Try #2 which is similar to #1.

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