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Mathematics, 25.10.2020 14:00 liana8

If a pistol bullet is fired vertically at an initial speed of 100 m/s, the height in metres after t seconds is given by h = 100t – 10t2
Find the maximum height attained by the bullet
When does the bullet return to the ground?

Please help.

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If a pistol bullet is fired vertically at an initial speed of 100 m/s, the height in metres after t...
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