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A student throws a set of keys vertically upward to her sorority sister, who is in a window 2.20 m above. The second student catches the keys 1.80 s later. (a) With what initial velocity were the keys thrown? magnitude 9.72 X m/s direction up (b) What was the velocity of the keys just before they were caught? magnitude -8.94 X m/s direction down

A student throws a set of keys vertically upward to her sorority sister, who is in a window 2.20 m above. The second student catches the keys 1.80 s later. (a) With what initial velocity were the keys thrown? magnitude 9.72 X m/s direction up (b) What was the velocity of the keys just before they were caught? magnitude -8.94 X m/s direction down

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6. DETAILS A student throws a set of keys vertically upward to her sorority sister, who is in a window 2.20 m above. The second student catches the keys 1.80 s later. (a) With what initial velocity were the keys thrown? magnitude 9.72 X m/s direction up (b) What was the velocity of the keys just before they were caught? magnitude -8.94 X m/s direction down
Transcribed Image Text:6. DETAILS A student throws a set of keys vertically upward to her sorority sister, who is in a window 2.20 m above. The second student catches the keys 1.80 s later. (a) With what initial velocity were the keys thrown? magnitude 9.72 X m/s direction up (b) What was the velocity of the keys just before they were caught? magnitude -8.94 X m/s direction down
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