A Baseball Pitcher Loosens Up His Pitching Arm

question 78

Multiple Choice

A baseball pitcher loosens up his pitching arm.He tosses a 0.140-kg ball using only the rotation of his forearm,0.270 m in length,to accelerate the ball.If the ball starts at rest and is released with a speed of 24.0 m/s in a time of 0.425 s,what torque is applied to the ball while being held by the pitcher's hand to produce the angular acceleration?

• A)29.3 N·m
• B)21.3 N·m
• C)2.13 N·m
• D)2.93 N·m
• E)209 N·m

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Definitions:

Purchases

The acquisition of goods or services in exchange for money, constituting a component of a company’s inventory costs.

LIFO Liquidation

A process that occurs when a company using the Last In, First Out (LIFO) inventory method sells older inventory, which may result in unusual increases in profit due to lower costs of older inventory.

Beginning of the Year

Refers to the starting date of a financial or calendar year, used as a reference point for accounting and financial planning.

Inventory Level

The quantity of goods or materials on hand at any given time within a business.