A 500-G Firework Explodes into Two Pieces of Equal Mass

question 28

Multiple Choice

A 500-g firework explodes into two pieces of equal mass at an instant when it is traveling straight up at 10 m/s. If one half shoots off horizontally to the left at 20 m/s, what is the velocity, in m/s, of the other half immediately after the explosion? (The x axis is directed right; the y axis up.)

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Definitions:

Power Generation

The process of producing electrical energy from other forms of energy, such as coal, natural gas, wind, or solar power.

Insulating Cost Allocation

The approach in assigning overhead and indirect costs to goods or services to avoid fluctuations in cost assignments.

Cost Allocation Method

A technique used to assign indirect costs to products, services, or departments based on relevant cost drivers.