has a maximum height of 100 meters and a diameter of 50 meters. It takes the wheel seven minutes to make one revolution.wheel rotates counter clockwise, how many seconds will it take for your seat to reach a height of 75 meters?

Base on the previous question,

f(t)=50-50cos(360t/7)

When f(t)=75, 75=50-50cos(360t/7), cos(360t/7)=-25/50=-0.5

So 360t/7=120 or 360t/7=240

t=7/3min=7/3x60 seconds=140 seconds

or t=7x2/3 min=7x2/3x60 seconds=280 seconds

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