Bala J's answer to alice's Secondary 4 E Maths Singapore question.
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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)
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)
Date Posted:
2 years ago
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