Multiple Choice
A man leans over the edge of a cliff and throws a rock upward at 4.9 m/s.Neglecting air resistance,two seconds later the rock's speed is
A) zero.
B) 4) 9 m/s.
C) 9) 8 m/s.
D) 14.7 m/s.
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
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