izzy232 izzy232

07-03-2018
Mathematics

contestada

A ball is dropped from a height of 64 feet. It's height, in feet, can be modeled by the function h(t)= -16t power of 2 + 64, where t is the time in seconds since the all was dropped. After how many seconds will the ball hit the ground ?

Respuesta :

tbag9292 tbag9292

11-03-2018

2 seconds because t=(64/16)^(1/2)

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