An 80-G Bullet Is Suddenly Shot into a 4 $$\mathcal { V }$$

question 54

Multiple Choice

An 8.0-g bullet is suddenly shot into a 4.0-kg block that is at rest on a frictionless horizontal surface, as shown in the figure. The bullet remains lodged in the block. The block then moves
Against a spring and compresses it by 3.7 cm. The force constant (spring constant) of the spring is
2500 N/m. What was the initial speed $$\mathcal { V }$$ of the bullet?

• A) 480 m/s
• B) 500 m/s
• C) 460 m/s
• D) 440 m/s
• E) 520 m/s

---

Definitions:

Nonprofit Organizations

Entities that are dedicated to furthering a social cause or shared goal without the intention of distributing profits to members or leaders.

Tax-Exempt Gifts

Donations made to qualified nonprofit organizations for which the donor can receive a tax deduction, under specific rules and limits set by tax authorities.

Charitable Giving

The act of donating money, goods, time, or effort to support nonprofit organizations or causes.

Andrew Carnegie

A 19th-century industrialist and philanthropist known for his vast contributions to the steel industry and for establishing numerous libraries and educational institutions.