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junior college 1 | H1 Maths
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Jun Hao
Jun Hao

junior college 1 chevron_right H1 Maths chevron_right Singapore

Please help me with this question in differential equation and series. Help will be very appreciated.

Date Posted: 5 years ago
Views: 450

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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
1st
My workings for part a, but I am not 100% sure as it has been quite some time since I last did differential equations.
Eric Nicholas K
Eric Nicholas K
5 years ago
Hang on, let me redo. Made a mistake, 15 degrees is pi/12.
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
Corrected part a followed by part b, but I am not 100% sure as my part b answer of 52.3 degrees is too big to be classified as a small angle.
Eric Nicholas K
Eric Nicholas K
5 years ago
Will continue part c at a later time after 4:30 pm
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
For part f, we simply note that pendulum clocks move in an oscillatory manner, where its acceleration is always opposite in direction to the direction of motion of the pendulum.