[ Chemistry ] Open Question : Can you please do these 5 conversion problems?

use dimensional analysis like the chart kind just say like top left corner...etc please sigfig must do all parts to receive 10pts 1.How many seconds will it take for a satellite to travel 450km at a rate of 120 m/s? 2.What is the speed of a walking person in m/s if the person travels 1000.0 meters in2.0 hours? 3. How far(in meters)will you travel in 3 minutes running at a rate of 6 m/s? 4. A trip to cape Canaveral, Florida takes 10 hrs. The distance is 816km. Calculate average speed in mph. 5. In .50 seconds, a projectile goes from 0 m/s to 300 m/s. What is the acceleration of the projectile?

Source: http://answers.yahoo.com/question/index?qid=20110407035925AAgtuet

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