A 420-G Bullet Embeds Itself in a 20

question 29

Multiple Choice

A 4.20-g bullet embeds itself in a 20.0-kg block, which is attached to a horizontal spring with a force constant of 980 N/m. The maximum compression of the spring is 2.40 cm. What is the speed of the bullet just before it hits the block?

• A)800 m/s
• B)700 m/s
• C)672 m/s
• D)900 m/s
• E)952 m/s

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Definitions:

Owners' Equity

The residual interest in the assets of an entity after deducting liabilities, representing the ownership interest of the shareholders.

Net Income

The total earnings of a company after subtracting all expenses and losses from total revenue.

Return on Equity

A financial ratio that measures the profitability of a business in relation to the equity held by the shareholders.

Net Income

Net income is the total profit of a company after all expenses, including taxes and operational costs, have been deducted from revenues.