5-1
16. A ball is thrown vertically upwards from a point O at a speed of 30 ms.
a) Find the...
Mathematics, 16.09.2021 16:20 jada741
5-1
16. A ball is thrown vertically upwards from a point O at a speed of 30 ms.
a) Find the time that the ball is a height of 25 m above point o
i) for the first time
ii) for the second time.
b) Find the total time that the height of the ball above point O is at least 25 m.
Answers: 3
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