A 700-G Bullet Is Fired into a 545-G Block of Wood

question 8

Multiple Choice

A 7.00-g bullet is fired into a 545-g block of wood suspended as a ballistic pendulum.The combined mass swings up to a height of 9 cm.What was the magnitude of the momentum of the combined mass immediately after the collision?

• A) 0.733 × 10³ kg·m/s
• B) 0.724 kg·m/s
• C) 0.733 kg·m/s
• D) ​0.974 kg·m/s
• E) ​0.367 kg·m/s

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Definitions:

Accessed

Refers to the action of retrieving or modifying the data stored in variables or data structures in a program.

Polymorphism

A programming concept allowing objects of different classes to be treated as objects of a common superclass, enabling methods to act differently based on the actual class of the object they are acting upon.

Retesting

The process of testing software again to confirm that fixes for defects are working and have not introduced new defects.

Parent Class

In object-oriented programming, a class from which another class (the child class) inherits properties and methods.