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ConcepTest 2.9b Free Fall II<br />
Alice <strong>and</strong> Bill are at the top of a<br />
building. Alice throws her ball<br />
downward. Bill simply drops<br />
his ball. Which ball has the<br />
greater acceleration just after<br />
release?<br />
1) Alice’s s ball<br />
2) it depends on how hard<br />
the ball was thrown<br />
3) neither -- they both have<br />
the same acceleration<br />
4) Bill’s s ball<br />
Alice<br />
Bill<br />
v 0<br />
v A<br />
v B
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