An 80-G Bullet Is Shot into a 4

question 42

Multiple Choice

An 8.0-g bullet is shot into a 4.0-kg block, at rest on a frictionless horizontal surface (see the figure) . The bullet remains lodged in the block. The block moves into an ideal massless spring and compresses it by 8.7 cm. The spring constant of the spring is 2400 N/m. The initial velocity of the bullet is closest to

• A) 1100 m/s.
• B) 1200 m/s.
• C) 900 m/s.
• D) 1300 m/s.
• E) 1000 m/s.

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Definitions:

Actual Units

The real quantity of items produced, sold, or consumed, as opposed to planned or theoretical quantities.

Variable Overhead Spending Variance

This is the difference between the actual variable overheads incurred and what was expected or budgeted, based on the actual level of production activity.

Standard Quantity

The predetermined or expected amount of materials required to complete one unit of a product, used for budgeting and costing purposes.

Standard Price

The predetermined cost that a company expects to pay for goods and services; used in budgeting and cost control.