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secondary 3 | A Maths
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secondary 3 chevron_right A Maths chevron_right Singapore

Good evening may I know how to do this question?

Date Posted: 3 years ago
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Wee Yong Geng, Eldric
Wee Yong Geng, Eldric's answer
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What's important to note here is that the graph is a sinusoidal derivative of the maximum initial speed, which is denoted by v, a constant. Therefore the expression denoting the distance is merely a constant multiplied by sin2theta, a sine function with amplitude equal to the scaling constant (770sq/9.81), and period equal to 90 degrees (halved due to the coefficient of two)
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3 years ago
Ahh i see, thank you so much for your help! :)