3. ssm Due to continental drift, the North American and European continents are drifting apart at an average speed of about 3 cm per year. At this speed, how long (in years) will it take for them to drift apart by another 1500 m (a little less than a mile)?

 

Average speed is found from change in displacement divided by elapsed time.

Rearranging

 

 

 

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This page last updated on January 11, 2020