Solving the High Jump Velocity Puzzle

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jazz836062
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I have a problem. I think that I am just not seeing it the right way. "A high jumper leaves the ground at a 27degrees and lands 7.8 m away. What is the initial velocity. Every formula I have keeps giving me two variables.
 
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Welcome to PF!

Hi jazz836062 ! Welcome to PF! :smile:
jazz836062 said:
Every formula I have keeps giving me two variables.

Then you need two formulas! :wink:

What two formulas do you think will work? :smile: