Tempo Voo Altura Dada
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
t
About this calculator
The flight time calculator with given height is a useful tool for solving applied physics problems. It uses the formula t = √(2h/g), where t is the flight time, h is the initial height and g is the acceleration due to gravity. This formula is based on the theory of the trajectory of a projectile under the influence of gravity.
This calculator is ideal for solving problems where the initial height is known and the goal is to find the flight time. For example, if you are designing a rocket launcher and need to calculate the flight time until the rocket reaches a certain height. The calculator is also useful for solving problems where the final height is known and the goal is to find the flight time.
However, it's worth noting that this calculator assumes that the projectile's trajectory is a parabola, which is a reasonable approximation for many practical cases. Additionally, it's essential to consider air resistance and the projectile's rotation, which can significantly affect the flight time.
Frequently asked questions
What is the acceleration due to gravity?
The acceleration due to gravity is the force that attracts objects towards the center of the Earth. It is approximately equal to 9.8 m/s² at low altitudes.
Why does the calculator assume that the projectile's trajectory is a parabola?
The parabola is a reasonable approximation for many practical cases, as it ignores air resistance and the projectile's rotation. However, in real cases, these factors can significantly affect the projectile's trajectory.
Can the calculator be used for horizontal launches?
Yes, the calculator can be used for horizontal launches. However, note that the initial height is zero and the flight time is calculated from the formula t = √(2d/v), where d is the horizontal distance and v is the projectile's velocity.
Can the calculator be used for inclined launches?
Yes, the calculator can be used for inclined launches. However, note that the initial height and flight time must be calculated from the formula t = √(2h/g) and t = h/v sin(α), where α is the launch angle.