Multiple Choice
A man leans over the edge of a cliff and throws a rock upward at 4.9 m/s. Neglecting air resistance, one second later the rock's speed is
A) zero.
B) 9.8 m/s.
C) 14.7 m/s.
D) 4.9 m/s.
E) none of the above.
Correct Answer:
Verified
Correct Answer:
Verified
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