Ask Singapore Homework?
Upload a photo of a Singapore homework and someone will email you the solution for free.
Question
secondary 4 | E Maths
One Answer Below
Anyone can contribute an answer, even non-tutors.
Pls help with Q13b and 14. Thanks!!
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]
See 1 Answer