Explosions in Two Dimensions: a 1

question 16

Multiple Choice

Explosions in two dimensions: A 1.2-kg spring-activated toy bomb slides on a smooth surface along the x-axis with a speed of 0.50 m/s. At the origin 0, the bomb explodes into two fragments. Fragment 1 has a mass of 0.40 kg and a speed of 0.90 m/s along the negative y-axis. In the figure, the angle θ, made by the velocity vector of fragment 2 and the x-axis, is closest to

• A) 31°.
• B) 37°.
• C) 38°.
• D) 53°.
• E) 59°.

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Definitions:

Cognitive Development

Pattern of change in mental abilities, such as learning, attention, memory, language, thinking, reasoning, and creativity.

Assessment

The process of evaluating or estimating the nature, quality, or ability of someone or something through tests and observations.

Ritual Closure

The act of formally ending a process or event, often with a specific action or ceremony.

Emotional Exhaustion

A state of feeling extremely fatigued or drained due to accumulated stress from emotional demands.