How to Calculate Golf Ball Range and Height Without Initial Velocity?

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SUMMARY

The discussion centers on calculating the range and maximum height of a golf ball hit at a 15-degree angle without a specified initial velocity. It is established that the problem can be solved by expressing the range and height in terms of the unknown initial velocity, denoted as v. The formulas for range and maximum height are derived using trigonometric functions and kinematic equations, allowing for a general solution based on the angle of projection.

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i'm really stuck on this problem, i need help desperately!

a golfer hits a golf ball across ground level at an angle of 15 degrees. what is the range and maximum height of the golfball?

i wasn't given any initial velocity so is this question doable?
 
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It's doable if you express the answer in terms of the unknown initial velocity v.
 

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