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 seconds.
It’s not exactly equal to one, but in many cases in math they ask for a rounded answer.
Answer:
2
Step-by-step explanation:
Well you should count with fingers, one finger and one finger, two fingers
Circumference of entire circle = 2 * PI * radius
2 * PI * 3 =
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<span>
18.8</span></span></span>5 meters
a 30 degree arc is (30/360) or 1/12 of a circle.
So the arc equals (18.85 meters / 12) or
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1.57</span></span></span> meters.
