Jhuynh9805 Jhuynh9805

22-04-2024
Physics

contestada

What is the velocity of a rock thrown upward at 4.9 m/s from the edge of a cliff, neglecting air resistance, two seconds later? Is it:
a) 14.7 m/s
b) Zero
c) 4.9 m/s
d) 9.8 m/s

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