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Four identical cannons each launch a 20 kg cannonball at an angle of 60° above horizontal. Neglect air resistance. The initial speed is in the table:

Four identical cannons each launch a 20 kg cannonball at an angle of 60° above horizontal. Neglect air resistance. The initial speed is in the table:

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Use for the next 4 questions: Four identical cannons each launch a 20 kg cannonball at an angle of 60° above horizontal. Neglect air resistance. The initial speed is in the table: Cannon A B Initial speed of 50 m/s 40 m/s 40 m/s 50 m/s cannonball Rank the initial vertical speed of the cannonballs, greatest to least. O A = B = C =D O A = B > C > D O A = D > B = C none of these
Transcribed Image Text:Use for the next 4 questions: Four identical cannons each launch a 20 kg cannonball at an angle of 60° above horizontal. Neglect air resistance. The initial speed is in the table: Cannon A B Initial speed of 50 m/s 40 m/s 40 m/s 50 m/s cannonball Rank the initial vertical speed of the cannonballs, greatest to least. O A = B = C =D O A = B > C > D O A = D > B = C none of these
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