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Question
Neglecting air resistance, a ball projected straight upward so it remains in the air for 10 seconds needs an initial speed ofA) 50 m/s.
B) 60 m/s.
C) 80 m/s.
D) 100 m/s.
E) 110 m/s.
Answer
This answer is hidden. It contains 1 characters.
Related questions
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