To reach the same height the second ball needs the same vertical component of velocity as the first ball. So first you need to find the vertical velocity of the first ball. Then you need to use trig to find what the total velocity of the second ball would be if you know its vertical component of velocity. Hope that helps. Good luck.
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To reach the same height the second ball needs the same vertical component of velocity as the first ball. So first you need to find the vertical velocity of the first ball. Then you need to use trig to find what the total velocity of the second ball would be if you know its vertical component of velocity.
Hope that helps. Good luck.
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