Calculating the Hang Time of a Kicked Football

[stephi]

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?

 

[SammyS]

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?

If it takes 1.66 seconds for the vertical component of velocity to become zero, then you do need to multiply by two.

 

[stephi]

thank you!