Here we go to use the basic equation of kinematic of a movement with the acceleration of the gravity
In our case the initial point is and the initial velocity (the sign minus is because the stone is thrown downward). The final height is , so the time that takes to reach it
Here we have a second grade equation, and the solution is given by
Here we have two solution. Like one of them is negative the solution of our problem is the other
Get Answers For Free
Most questions answered within 1 hours.