A Firecracker Breaks Up into Several Pieces,one of Which Has

question 48

Multiple Choice

A firecracker breaks up into several pieces,one of which has a mass of 200 g and flies off along the
X-axis with a speed of 82.0 m/s.A second piece has a mass of 300 g and flies off along the y-axis with a speed of 45.0 m/s.What are the magnitude and direction of the total momentum of these two pieces?

• A) 361 kg•m/s at 56.3° from the x-axis
• B) 93.5 kg•m/s at 28.8° from the x-axis
• C) 21.2 kg•m/s at 39.5° from the x-axis
• D) 361 kg•m/s at 0.983° from the x-axis
• E) 21.2 kg•m/s at 56.3° from the x-axis

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Definitions:

Depression

A mental health disorder characterized by persistently depressed mood or loss of interest in activities, causing significant impairment in daily life.

Passive

Involves not actively participating or engaging in an action or process, often implying a lack of response or initiative.

Post-Traumatic Stress Disorder

A mental health condition triggered by experiencing or witnessing a traumatic event, characterized by flashbacks, nightmares, and severe anxiety.

Generalized Anxiety Disorder

A mental health condition characterized by persistent and excessive worry about various aspects of life.