Problema Solution
Supposw that abottle rocket is launched upward with an initial velocity of 96 ft/sec and from a height of 880 ft. its height h, in feet, after t seconds is given by h(t)=-16t+96t+880 after how long will the rocket reach the ground?
Answer provided by our tutors
the rocket will reach the ground after some time t>0 when h(t)=0 that is
-16t^2+96t+880 = 0
by solving we find
t = 11 sec
click here to see the step by step solution of the equation
the rocket will reach the ground after 11 seconds.