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secondary 3 | E Maths
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secondary 3 chevron_right E Maths chevron_right Singapore

pls help me TYVM!

Date Posted: 5 years ago
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
We need to understand what the data means.

(a) "Reaches the ground again" means that the height is zero metres from the ground (obviously).

(b) "Is 15 m above the ground" means that h = 15, since h is defined to be the height above the ground in metres.