Answer to Question #249572 in Mechanics | Relativity for Lebo

Question #249572

A Ball is thrown straight upwards and rises to a maximum height of 20m above its launching point


1
Expert's answer
2021-10-11T08:55:31-0400

The initial speed of this ball was


v=2gh=29.820=19.8 m/s.v=\sqrt{2gh}=\sqrt{2·9.8·20}=19.8\text{ m/s}.


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