How many seconds will the ball be going upward if a ball is thrown vertically upward from the ground with an initial velocity of 20 feet per second and #a(t)= -32# feet per second squared?
1 Answer
Mar 13, 2015
The ball will continue to go upward until its (upward) velocity
The ball's upward velocity is the sum of
its initial upward velocity
plus its upward velocity (really minus its downward velocity) due to gravity.
This velocity will
This simplifies to