Moe wants to throw a ball up to his friend who is on the top of a building 45 m above him. How fast must he throw the ba
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Moe wants to throw a ball up to his friend who is on the top of a building 45 m above him. How fast must he throw the ba
Moe wants to throw a ball up to his friend who is on the top ofa building 45 m above him. How fast must he throw the ball up sothat it reaches his friend?