How Do You Calculate Angular Momentum in a Ball and Bat Collision?

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In summary, the problem involves finding ω using the given values of mass, velocity, and moment of inertia, and applying the law of conservation of angular momentum.
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gradyhawks
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Homework Statement



Pivots.jpg


I need to find ω. The values I have are:

Ball of mass .16 KG is traveling horizontally at 54 ms^-1 and its struck by the bat. The ball still travels horizontally but in the opposite direct at speed 40ms^-1. The moment of inertia is 0.30kg about the pivot and hits the ball at a point that is 0.8m away from the pivot. After the collision the bat is still swinging in the same position but with a velocity of 0.35 ω

Homework Equations



None

The Attempt at a Solution



Really unsure how to do this ... this test is due in an hours time and I am really struggling with this one. Any guidance would help no end!
 
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welcome to pf!

hi gradyhawks! welcome to pf! :smile:
gradyhawks said:
... this test is due in an hours time and I am really struggling with this one. Any guidance would help no end!

(a bit late, but …)

in any collision, both ordinary momentum and angular momentum are conserved …

in this case, you would use conservation of angular momentum :wink:
 

FAQ: How Do You Calculate Angular Momentum in a Ball and Bat Collision?

What is a pivot in baseball?

A pivot in baseball refers to a quick turn or shift in direction made by a player, usually while fielding or throwing the ball. It involves using the back foot as a pivot point to change direction and make a play.

How do you pivot while batting?

To pivot while batting, the player needs to shift their weight onto their back foot while keeping the front foot planted. This allows for a quick and controlled swing, generating more power and accuracy in the hit.

What is the purpose of a pivot in baseball?

The purpose of a pivot in baseball is to quickly change direction and make a play, either while fielding or batting. It allows for more agility and control in movements, making it an essential skill for players in the sport.

What is the difference between a pivot and a spin in baseball?

A pivot involves using the back foot as a pivot point to change direction, while a spin involves a complete rotation of the body. A pivot is usually used for quick and controlled movements, while a spin is used for more dramatic movements or to avoid a tag.

How can I improve my pivoting skills in baseball?

To improve your pivoting skills in baseball, you can practice drills that focus on quick changes in direction, such as fielding grounders or hitting off a tee. Working on your balance and footwork can also help with pivoting. Additionally, watching and learning from professional players can also improve your technique.

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