An Object Initially at Rest Suddenly Explodes in Two Fragments

question 26

Multiple Choice

An object initially at rest suddenly explodes in two fragments of masses 2.6 kg and 3.3 kg that move in opposite directions. If the speed of the first fragment is 3.6 m/s, find the internal energy of
The explosion.

• A) 30 J
• B) 38 kJ
• C) 30 kJ
• D) 38 J

---

Definitions:

Simple Task

A task that requires a limited amount of cognitive processing or physical effort, making it easy to complete without extensive skill or knowledge.

Stimulus Motives

Drives that are unlearned and arise from basic biological needs or natural instincts.

Sudoku Puzzles

Logic-based, combinatorial number-placement puzzles where the objective is to fill a 9x9 grid with numbers so that each column, row, and each of the nine 3x3 subgrids contain all of the digits from 1 to 9.

Optimal Point

The most favorable condition, level, or amount of something for achieving a specific goal or outcome.