If a rocket is fired vertically into the air with a speed of feet per second, its height at time t seconds is given by . Here is a graph of its height at various times, with the details left out. How long will the rocket be in the air? ( Hint : How high is it when it hits the ground?)
A) 17 seconds
B) 18 seconds
C) 21 seconds
D) 24 seconds
E) 16 seconds

Question

If a rocket is fired vertically into the air with a speed of  feet per second, its height at time t seconds is given by  . Here is a graph of its height at various times, with the details left out.  How long will the rocket be in the air? ( Hint : How high is it when it hits the ground?)
A) 17 seconds 
B) 18 seconds 
C) 21 seconds 
D) 24 seconds 
E) 16 seconds

Quizplus · Accepted Answer

The Answer of If a rocket is fired vertically into the air with a speed of  feet per second, its height at time t seconds is given by  . Here is a graph of its height at various times, with the details left out.  How long will the rocket be in the air? ( Hint : How high is it when it hits the ground?)
A) 17 seconds 
B) 18 seconds 
C) 21 seconds 
D) 24 seconds 
E) 16 seconds

If a Rocket Is Fired Vertically into the Air with a Speed