A Block of Mass M = 9

question 73

Multiple Choice

A block of mass m = 9.0 kg and speed V and is behind a block of mass M = 27 kg and speed of 0.50 m/s, as shown int the figure. The surface is frictionless, and the blocks suddenly collide and
Couple. After the collision, the blocks have a common speed of 0.90 m/s. How much kinetic energy
Of the blocks is lost due to the collision?

• A) 31 J
• B) 2.0 J
• C) 8.6 J
• D) 4.6 J
• E) 11 J

---

Definitions:

Price-Earnings Ratio

A valuation metric that compares a company's share price to its earnings per share.

Common Stock

Equity ownership in a corporation, with voting rights and potential dividends, but after bankruptcy claim priority behind preferred stock.

Market Price

The current price at which an asset or service can be bought or sold in a marketplace.

Return on Total Assets

A financial ratio that measures the profitability of a company in relation to its total assets, indicating how efficient management is at using its assets to generate earnings.