Question

Find the distance, in feet, a particle travels in its first 4 seconds of travel, if it moves according to the velocity equation v(t)= −t2 + 4 (in feet/sec).

55/3
16/3
16
12

Answer 1

@jigglypuff314

Answer 2

@sleepyjess

Answer 3

@jim_thompson5910

Answer 4

First start off with a graph of y = -x^2 + 4

Answer 5

were you able to graph it? if so, then what are the x-intercepts?

Answer 6

yeah i graphed it

Answer 7

there at (-2,0) and (2,0)

Answer 8

we're only going to focus on positive t values. We'll ignore negative time values which make no sense.