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

question 29

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:

Rate of Return

The increase or decrease in the value of an investment during a set time frame, represented as a percentage.

Nominal Rate

Refers to the interest rate stated on a loan or investment agreement before any inflation adjustment or compounding effect.

Term of Loan

The period over which a loan agreement is in effect, at the end of which the loan must be repaid in full.

Nominal Rate

The stated interest rate on a loan or financial product, not accounting for inflation or compounding effects.