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Erica and Amy started biking in the opposite directions at the same time from the same place. Erica biked at a speed of 6 meters per second and Amy biked at a speed of 4 meters per second. How soon were they exactly 1km apart?

Sagot :

Nataliaiscoolidn

Answer:

Since they are moving in opposite directions, this is the same as Amy staying still and Erica biking at 10 meters per second away from her.To travel 1km = 1000m at 10 meters per second, you need 1000/10 = 100 

Step-by-step explanation:

Answer:

100 seconds or 1 minute and 40 seconds

Step-by-step explanation:

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