LalalalaLuu asked:

I don’t understand how this works.
Can somebody please explain this to me.

If a football is kicked through goalposts is accelerates in moth horizontal and vertical direction.
How is this possible and why does this happen?

Miguel asked:

I drew it up but i still need the angles to find the answer. idk any other way than with the use of angles. please explain in detail how to do it.

A quarterback takes the ball from the line of scrimmage, runs backward for 13.0 yards, then runs sideways parallel to the line of scrimmage for 11.0 yards. At this point, he throws a 32.0 yard forward pass straight down the field. What is the magnitude of the football’s resultant displacement? Answer in units of yards.

jack_casse asked:

I recall some one once suggesting that an object, such as a football, will not travel past a certain speed no matter how hard it is thrown. Can anyone confirm this?
Yes, I mean an American football.
I don’t want to know how fast a man can throw a football, or the average speed thrown. I was told that physics will not allow the football to travel past a certain speed, no matter how it’s thrown or who throws it. It could be the Hulk for all I know.

Asing asked:


A quarterback takes the ball from the line of scrimmage, runs backward for 15 yards, then run sideways parallel to the line of scrimmage for 20 yards. At this point, he throws a 26 yards forward pass straight down field perpendicular to the line of scrimmage. What is the magnitude of the football’s resultant displacement?

Asing asked:

A quarterback takes the ball from the line of scrimmage, runs backward for 15 yards, then run sideways parallel to the line of scrimmage for 20 yards. At this point, he throws a 26 yards forward pass straight down field perpendicular to the line of scrimmage. What is the magnitude of the football’s resultant displacement?

flipnv86@sbcglobal.net asked:

A football is kicked with a speed of 18 m/s at an angle of 65 degrees to the horizontal.

a) How far does the football travel horizontally before it hits the ground?

b) What are the respective horizontal and vertical components of the initial velocity of the football?

boricuatripler asked:

A football player kicks a 0.41-kg football initially at rest; and the ball flies through the air. If the kicker’s foot was in contact with the ball for 0.51 s and the ball’s initial speed after the collision is 21 m/s, what was the magnitude of the average force on the football?

Andy H asked:

A player kicks a football at an angle of 30 degrees above the horizontal. The football has an initial velocity of 20.0 m/s.

Senior 2007 asked:

An 85kg quarterback jumps straight up in the air right before throwing a 0.43kg football horizontally at 11m/s.

How fast will he be moving backward just after releasing the ball?

Pearl Sam asked:


Assuming the same conditions, what would fly further, a touch football or a soccer ball when kicked at a 40 degree angle with no wind resistance.

Few extra details.
Both are in perfect condition
There kicked with the same force
There both kicked at 40degrees from the ground
There is no wind resistance
Its flat ground

Any equations and/or websites relating to this would be greatly appreciated.