If it takes 1.66 seconds for the vertical component of velocity to become zero, then you do need to multiply by two.stephi said:Homework Statement
A football is kicked with a speed of 18 m/s at an angle of 65 degrees to the horizontal. What is the hang time of the football?
Homework Equations
The Attempt at a Solution
i thought the answer was 1.66. but do i need to multiply that by 2 to get the full hang time?
The hang time of a kicked football can be calculated by using the formula: hang time = (2 * velocity * sin(angle)) / acceleration due to gravity. This formula takes into account the initial velocity of the kick, the angle at which the ball is kicked, and the acceleration due to gravity.
The acceleration due to gravity used in the calculation is typically 9.8 m/s^2. However, this value may differ slightly depending on the location and elevation where the kick takes place.
The angle of the kick has a significant impact on the hang time of a football. A higher kick angle will result in a longer hang time, while a lower kick angle will result in a shorter hang time. This is because a higher angle allows the ball to reach a greater height, resulting in a longer time in the air.
Yes, air resistance does play a role in the hang time of a kicked football. The formula for calculating hang time assumes that there is no air resistance, but in reality, air resistance can affect the distance and time the ball travels in the air. This is why the calculated hang time may differ slightly from the actual hang time observed.
Yes, the hang time of a kicked football can be affected by external factors such as wind, temperature, and altitude. Wind can either help or hinder the hang time depending on its direction and strength. Temperature can also affect air density, which can impact the ball's flight. And higher altitudes will result in a longer hang time due to the lower air density.