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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: Cannon A B D Initial speed of cannonball 50 m/s 40 m/s 40 m/s 50 m/s Rank the net force on the cannonballs after exiting the cannon barrel, greatest to least. O A = B = C = D O A = B > C > D O A = D > B = C O none of these

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 D Initial speed of cannonball 50 m/s 40 m/s 40 m/s 50 m/s Rank the net force on the cannonballs after exiting the cannon barrel, greatest to least. O A = B = C = D O A = B > C > D O A = D > B = C O none of these

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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: Cannon A B C D Initial speed of cannonball 50 m/s 40 m/s 40 m/s 50 m/s Rank the net force on the cannonballs after exiting the cannon barrel, greatest to least. O A = B = C = D O A = B > C > D O A = D > B = C none of these
Transcribed Image Text: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 C D Initial speed of cannonball 50 m/s 40 m/s 40 m/s 50 m/s Rank the net force on the cannonballs after exiting the cannon barrel, 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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