Given the Following Information Regarding a Typical Cartridge of 9mm

question 15

Multiple Choice

Given the following information regarding a typical cartridge of 9mm ammunition:
$$\begin{array} { | l | l | l | } \hline 1 \text { gram: } & 15.43 & \text { grains } \\\hline 1 \mathrm { oz } & 28.35 & \mathrm {~g} \\\hline \text { Propellant energy: } & 4545 & \mathrm {~J} / \mathrm { g } \\\hline \text { Mass of propellant } & 5.7 & \text { grains } \\\hline \text { Efficiency } & 59 \% & \\\hline \text { Bullet weight } & 115 & \text { grains } \\\hline\end{array}$$
Calculate the muzzle velocity in m/s. 1J = 1 (kg m²) /s²

• A) 516
• B) 628
• C) 722
• D) 910
• E) none of the above

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Definitions:

Retained Earnings

The portion of net income not distributed as dividends to shareholders, but retained by the company for reinvestment.

MACRS 3-Year Class

A category under the Modified Accelerated Cost Recovery System (MACRS) for depreciating certain types of business property over three years.

Amortized

Amortization is the process of spreading out a loan into a series of fixed payments over time, covering both principal and interest.

Residual Value

The estimated value of an asset at the end of its useful life.