# ESET 0220

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## Description

ESET 0220      Assignment #2            Due 12pmWednesday, 9/9/2014

Reading Assignment #2:         Page 14 (40/138) to page 25 (51/138)

Homework Assignment #2:    ALL OF THE DEFINITIONS WILL BE HANDWRITTEN,         NOT TYPED. The point value of the question is in parenthesis. (X)

SHOW ALL WORK ON CALCULATIONS

#1(12)  Give the definition, symbol, formula (if applicable), what each symbol in the          formula represents, and units (those given in the handbook) for the following terms:

Energy

Potential Energy

Kinetic Energy

Specific Internal Energy

Specific P-V Energy

Specific Enthalpy

Work

Heat

Heat Transferred per Unit Mass

Sensible Heat

Latent Heat

Entropy

Heat Capacity

#2(4)    Explain the difference between latent heat of fusion and latent heat of vaporization.

#3(6)    Determine the potential energy of a box with a mass of 40 pounds on top of a wall 7 feet high.

#4(6)    A box sitting on a shelf 12 feet off the ground contains 65,000 ft-lbf of potential energy. How heavy is the box?

#5(6)    A rock weighing 7 ounces is thrown at a wall at 65 miles per hour. Calculate the energy     imparted on the wall when it strikes.