Two Blocks with Masses 2

question 39

Multiple Choice

Two blocks with masses 2.0 kg and 3.0 kg are placed on a horizontal frictionless surface. A light spring is placed in a horizontal position between the blocks. The blocks are pushed together, compressing the spring, and then released from rest. After contact with the spring ends, the 3.0-kg mass has a speed of 2.0 m/s. How much potential energy was stored in the spring when the blocks were released?

• A) 15 J
• B) 3.0 J
• C) 6.0 J
• D) 12 J
• E) 9.0 J

---

Definitions:

Lemonade Market

A hypothetical or real market scenario used to explain basic economic concepts, often involving the buying and selling of lemonade.

Lemons

A bright yellow, acidic fruit commonly used for its juice, zest, or as a garnish in cooking and baking.

Supply

The total amount of a good or service available for purchase at all possible prices in a given market, at a given time.

Price

The price in terms of money that is predicted, necessary, or paid for an object.