A Spring (K = 600 N/m) Is Placed in a Vertical

question 54

Multiple Choice

A spring (k = 600 N/m) is placed in a vertical position with its lower end supported by a horizontal surface. A 2.0-kg block that is initially 0.40 m above the upper end of the spring is dropped from rest onto the spring. What is the kinetic energy of the block at the instant it has fallen 0.50 m (compressing the spring 0.10 m) ?

• A) 5.3 J
• B) 6.8 J
• C) 6.3 J
• D) 5.8 J
• E) 6.5 J

---

Definitions:

Effective Interest

The actual interest rate incurred on a loan or bond, reflecting the amortization of any fees or additional costs over the life of the loan.

Interest Revenue

Income earned from investments, loans, and other sources requiring the borrower to pay interest.

Bond Investments

Financial investments in debt securities issued by corporations or governments, which pay interest and are meant to be repaid at maturity.

Amortized

The gradual reduction of a debt over time by making regular payments that cover both principal and interest.