1. What was the initial speed of a ball thrown upwards (close to the surface of the earth) if it returns to the height from which it was initially thrown 5 seconds later? Neglect air resistance and give your answer in meters per second.
1. What was the initial speed of a ball thrown upwards (close to the surface of the earth) if it returns to the height from which it was initially thrown 5 seconds later? Neglect air resistance and give your answer in meters per second.
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Transcribed Image Text:1. What was the initial speed of a ball thrown upwards (close to the surface of the earth) if it
returns to the height from which it was initially thrown 5 seconds later? Neglect air resistance
and give your answer in meters per second.
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