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

1. A person runs 800. m at an average speed of 6.00 m/s and then the next 800. m at an average speed of 8.00 m/s. Calculate (a) the total time of travel and (b) the average speed.

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.

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