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secondary 4 | E Maths
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Charlotte Lim
Charlotte Lim

secondary 4 chevron_right E Maths

Pls help with Q13b and 14. Thanks!!

Date Posted: 5 years ago
Views: 265
snell
Snell
5 years ago
13(b)
Given: T = 21 - h/120
hence,
△T = 21 - △h/120

note: △T means change in T

difference in temp. is 25°C
=> 25 = 21 - △h/120
=> △h = |120(21 - 25)|
= 480 m

[note: the use of modulus "|...|" is to make +ve value since the higher the height h, the lower the temp. T]

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Kenneth Chee
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Charlotte Lim
Charlotte Lim
5 years ago
Do u have 13b? Or still doing?