A Baseball Pitcher Loosens Up His Pitching Arm

question 47

Multiple Choice

A baseball pitcher loosens up his pitching arm.He tosses a 0.15-kg ball using only the rotation of his forearm,0.26 m in length,to accelerate the ball.If the ball starts at rest and is released with a speed of 23 m/s in a time of 0.4 s,what torque is applied to the ball while being held by the pitcher's hand to produce the angular acceleration?

• A) 33.2 N·m
• B) 22.4 N·m
• C) 2.2 N·m
• D) 3.3 N·m
• E) 221.2 N·m

---

Definitions:

Times Interest Earned

A financial ratio that measures the ability of a business to meet its interest payments based on current earnings.

Interest Expense

The cost incurred by a company for borrowed funds, including loans, bonds, and lines of credit.

Times Interest Earned Ratio

A metric to assess a company's ability to meet its debt obligations, calculated as earnings before interest and taxes divided by interest expense.

Times Interest Earned

A financial ratio measuring a company's ability to meet its interest obligations from operating earnings, calculated as income before interest and taxes divided by interest expense.