physics
posted by Juan Carlos .
A ball thrown straight up takes 5.80 seconds to go up and come back down to its starting point. Neglecting air resistance, how high (in m) does it go?

It reaches its peak at time 5.80/2 seconds
So then if falls...starting at the top with zero velocity.
h=1/2 g t^2 find h, using t=2.90seconds 
41.209

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