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:

Mass Customization

A manufacturing approach that combines the flexibility and personalization of custom-made products with the low unit costs of mass production.

Employee Relationship

The interaction and communication between an employer and its employees, which can significantly impact job satisfaction, productivity, and retention.

HR Practice

Encompasses the policies, procedures, and activities implemented by an organization to manage its human resources effectively.

External Human Resource Sources

External methods or channels through which organizations recruit or hire new employees, such as job boards or recruitment agencies.