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junior college 2 | H1 Maths
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Ainsley
Ainsley

junior college 2 chevron_right H1 Maths

Question no 5 (b) . I don't know how to do.
Please help ,thanks a lot.

Date Posted: 5 years ago
Views: 604

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snell
Snell's answer
333 answers (A Helpful Person)
1st
Ainsley
Ainsley
5 years ago
how about the question (b).The answer you upload only until (a)......
snell
Snell
5 years ago
u know the bullet is fired from the top of the building, right?
part (b) ask for the height above the ground.
h is the height
snell
Snell
5 years ago
the height above the ground is the height of the building
Ainsley
Ainsley
5 years ago
why I can't get the answer when I use
s=1/2 (u + v ) t
(1600 +h ) = 1/2 ( 177.18+0) (18.1+1.8)
h=163 m

And the correct answer from the book is 357m.
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snell
Snell's answer
333 answers (A Helpful Person)
hope this helps
Ainsley
Ainsley
5 years ago
THANK YOU.
Although I used all d.p ,my final answer is still not same with the book, I got 350.0606845.
but at least it's almost there,hahaha, thank you ,anyway
snell
Snell
5 years ago
u r welcome! :)