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Maths gold set a 7 chap 2

Maths gold set a 7 chap 2

username79352

https://imgur.com/a/XG9fDrd

Could someone help me with gold part b?
For my model I got h=12+10cos(2t-180)

Reply 1

mqb2766

Original post

by saminasb3

https://imgur.com/a/XG9fDrd
Could someone help me with gold part b?
For my model I got h=12+10cos(2t-180)

If thats the model from (a), I agree, though its hard to read the question in places and it helps to see your reasoning. For (b), you do 5 full revolutions in 12 mins, so what does that mean about the time period for each revolution .... What is it that youre having trouble with?

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Maths gold set a 7 chap 2

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