Harambe2016 Harambe2016

03-03-2017
Mathematics

Answered

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
B605 feet
C509 feet
D477 feet

Verified Answer :

ChandrikaP ChandrikaP

03-03-2017

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

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

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03-03-2017

The answer would be D

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