Ok I think i am getting the hang of this stuff. But,(adsbygoogle = window.adsbygoogle || []).push({});

A rookie quaterback throws a football with an initial upward velocity component of 16.0 m/s and a horizontal velocity component of 19.0 m/s. Ignore air resistance.

a. how much time is required for the ball to reach the highes point of trajectory? Ok I did 19=1/2(9.8)t^2 to get my time which comes out to 1.96. However, it said the answer is wrong, but i used the y=1/2gt^2 because it is in the horizontal direction.

b. how high is this point?

c. how much time after it is thrown for the ball to reach its original level?

i thought this would be the same as part A

d. how far has it traveled horizontally during this time?

i know i would use d=vt, but i would need to know my time which i dont see how it is incorrect.

oh wait, should i have used 16 in place of the 19?

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Projectile motion

Can you offer guidance or do you also need help?

Draft saved
Draft deleted

**Physics Forums | Science Articles, Homework Help, Discussion**