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secondary 4 | E Maths
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alice
Alice

secondary 4 chevron_right E Maths chevron_right Singapore

pls help me out ://

Date Posted: 2 years ago
Views: 256

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Bala J
Bala J's answer
65 answers (Tutor Details)
1st
The doppler shift formula given in the question helps to calculate velocity of the whistle when it reaches the ground.

Using law of conservation of energy (more of a physics area), you can find another formula for calculating height from which the whistle was dropped (height of the tower)