A ball is thrown straight upward from a bridge and then falls all the way to the ground (past the bridge). The ball s height h (in feet) above the ground t seconds after the ball is thrown is given by . When does the ball hit the ground?
A) The ball never hits the ground.
B) After 5.79 seconds
C) After 1.29 seconds
D) After 3 seconds
E) After 0 seconds

Question

A ball is thrown straight upward from a bridge and then falls all the way to the ground (past the bridge). The ball s height h (in feet) above the ground t seconds after the ball is thrown is given by  . When does the ball hit the ground?
A) The ball never hits the ground. 
B) After 5.79 seconds 
C) After 1.29 seconds 
D) After 3 seconds 
E) After 0 seconds

Quizplus · Accepted Answer

The Answer of A ball is thrown straight upward from a bridge and then falls all the way to the ground (past the bridge). The ball s height h (in feet) above the ground t seconds after the ball is thrown is given by  . When does the ball hit the ground?
A) The ball never hits the ground. 
B) After 5.79 seconds 
C) After 1.29 seconds 
D) After 3 seconds 
E) After 0 seconds

A Ball Is Thrown Straight Upward from a Bridge and Then