Mr. mann's science students were experimenting with speed. they set up a 1 meter (100 cm) track. the students used balls instead of cars. the balls were different sizes and made of different materials. four at a time, students rolled balls around the track to see which had the fastest and slowest speeds. here is some of their data. which ball will take the longest to complete one lap around the track?
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Mr. mann's science students were experimenting with speed. they set up a 1 meter (100 cm) track. the...
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