AP Physics 1easymcq1 pt
A ball is dropped from rest. After 2.0 s of free fall (taking g = 10 m/s²), its speed is
A.20 m/s
B.10 m/s
C.40 m/s
D.5.0 m/s
Explanation
Core Concept
v = gt = (10)(2.0) = 20 m/s downward.
Correct Answer
A20 m/s
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