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.?

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sefaadai

15 Jul, 2020

Federal polytechnic, Mubi

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Dende1
6 years ago

Please try and rephrase the question. The question is mixed up. You can repost it

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