Question
A ball is thrown vertically upward with an initial velocity of 64 feet per second. The distance s (in feet) of the ball from the
A ball is thrown vertically upward with an initial velocity of
64 feet per second. The distance s (in feet) of the ball from the ground after t seconds is
s equals 64 t minus 16 t squared
.
(a) At what time t will the ball strike the ground?
(b) For what time t is the ball more than
28 feet above the ground?
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Advanced Engineering Mathematics
Authors: ERWIN KREYSZIG
9th Edition
0471488852, 978-0471488859
