A stone is projected vertically upwards from the
ground with a velocity of 25 cm/s. Its height above
the ground aftert second is Sm where 25t - 9.81,2.
After what time is it: (i) 20 m above the ground?
(ii) 40 m above the ground (iii) back to the ground?
(iv) Find the greatest height attained by the stone.?
In Federal polytechnic, Mubi
1 Answers Available
Asked by Adai on 16th July, 2020
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