Need to calculate the magnitude of the initial velocity?

[jahaddow]

Hi, I need to calculate the magnitude of the initial velocity of the following data for projectile motion. Any help would be greatly appreciated as I have no idea where to start! Thanks

please see the question here:
http://i52.tinypic.com/15p0kza.png

and the data here:
http://i52.tinypic.com/2uj7d53.png

Thanks so much in advance!

 

[Mark44]

Hi, I need to calculate the magnitude of the initial velocity of the following data for projectile motion. Any help would be greatly appreciated as I have no idea where to start! Thanks

please see the question here:
http://i52.tinypic.com/15p0kza.png

and the data here:
http://i52.tinypic.com/2uj7d53.png

Thanks so much in advance!

The instructions seem pretty clear to me. What part of them don't you understand?

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