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Physics, 25.03.2021 22:00 vanydparis

6. A cannon fires a ball upward at 60m/s. How fast will this ball be moving after 4s? A. -60m/s
B. Om/s
C. 40m/s
D. 20.8m/s

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6. A cannon fires a ball upward at 60m/s. How fast will this ball be moving after 4s? A. -60m/s

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