Answered

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What is the length r of her arm from the pivot point at her shoulder?

Is the length you found for the pitchers arm reasonable?

What Is The Length R Of Her Arm From The Pivot Point At Her Shoulder Is The Length You Found For The Pitchers Arm Reasonable class=

Sagot :

MathPhys

Answer:

0.556 m, yes

Explanation:

Objects moving in a circle experience a centripetal acceleration (ac) towards the center of the path. This acceleration is equal to the square of the speed (v) divided by the radius (r) of the path.

ac = v² / r

968 m/s² = (23.4 m)²/ r

r = 0.566 m

This is a realistic arm length for a human being.

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