A 12-G Bullet Moving Horizontally Strikes and Remains in a 3.0-Kg

question 76

Multiple Choice

A 12-g bullet moving horizontally strikes and remains in a 3.0-kg block initially at rest on the edge of a table. The block, which is initially 80 cm above the floor, strikes the floor a horizontal distance of 120 cm from its initial position. What was the initial speed of the bullet?

• A) 0.68 km/s
• B) 0.75 km/s
• C) 0.81 km/s
• D) 0.87 km/s
• E) 0.41 km/s

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Definitions:

Operating Cash Flow

Describes the cash generated by the regular operating activities of a business in a specific period.

Contribution Margin

The amount by which the sale of a product or service exceeds its production costs, contributing to the covering of fixed costs and generating profit.

Financial Break-Even

The point at which total revenues and total expenses are equal, resulting in a net income of zero and indicating that a project or business is neither losing nor making money.

Fixed Costs

Expenses that do not change with the level of production or sales over a short period, such as rent, salaries, and loan payments.