Harambe2016 Harambe2016

04-03-2017
Mathematics

contestada

You drop a rock off a bridge. The rock’s height, h (in feet above the water), after t seconds is modeled by h = -16t2 + 541. What is the height of the rock after 2 seconds?
A. –64 feet
B. 605 feet
C. 509 feet
D. 477 feet

Respuesta :

ChandrikaP ChandrikaP

04-03-2017

h = -16t^2 + 541
Put t=2 second in the equation

h=-16*4+541
h=477 feet

Answer Link

04-03-2017

The answer would be D

Answer Link

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