The blades on a model windmill take 4 seconds to make a full rotation. At the lowest point, the tip of the blade is 0.5 m off the ground, and at the highest point the tip of the blade is 2.5 m off the ground.

Determine an algebraic equation relating the height (h) in metres of the tip of the blade above the ground at time (t) in seconds. {tonnes of rewards for best answer}

Question

The blades on a model windmill take 4 seconds to make a full rotation. At the lowest point, the tip of the blade is 0.5 m off the ground, and at the highest point the tip of the blade is 2.5 m off the ground.

Determine an algebraic equation relating the height (h) in metres of the tip of the blade above the ground at time (t) in seconds. {tonnes of rewards for best answer}

phi · Answer

I would pick a starting point.  For example,  when the tip of the blade is pointing to the right
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