Is the change in total energy of the box greater than zero

Reference no: EM131014807

A black box is bolted to a beam with a cable as shown in the following figure. Consider the box as the system. During the process, the box raises in height as the cable goes into the box by an unknown mechanism. Assume that there is some friction associated with this process.

(a) During the process, is the change in total energy of the box greater than zero, equal to zero, less than zero, or cannot tell? Explain.

(b) During the process, is the change in entropy of the universe greater than zero, equal to zero, less than zero, or cannot tell? Explain.

Reference no: EM131014807

Questions Cloud

What is the value of the option to wait : Hickock Mining is evaluating when to open a gold mine. The mine has 50,400 ounces of gold left that can be mined, and mining operations will produce 6,300 ounces per year. The required return on the gold mine is 12 percent, and it will cost $34.3 mil..

Project has been assigned a discount rate : A project has been assigned a discount rate of 12 percent. If the project starts immediately, it will have an initial cost of $480 and cash inflows of $350 a year for three years. If the start is delayed one year, the initial cost will rise to $520 a..

How has the internet impacted the economy : How important is the Internet in your daily life and in your professional life?

Destroyed a large percentage of the financial records : A fire has destroyed a large percentage of the financial records of the Inferno Company. You have the task of piecing together information in order to release a financial report. You have found the return on equity to be 16.7 percent. Sales were $1,7..

Is the change in total energy of the box greater than zero : A black box is bolted to a beam with a cable as shown in the following figure. Consider the box as the system. During the process, the box raises in height as the cable goes into the box by an unknown mechanism. Assume that there is some friction ..

Provide total ending balances of each t-account : Carolyn Wells had the following transactions. Provide total ending balances of each T-Account A. Jan 1 2016, Carolyn Wells deposited $120,000 into the business which is called the Carolyn Wells, CPA (sole proprietor structure) B. Jan 5, 2016, The com..

How fast was the level of sales increasing : How fast was the level of sales increasing at the beginning of 1997? How fast were sales increasing at the beginning of 2002?

Why mdf wood is a good choice to build your speaker : Why MDF wood is a good choice to build your speaker cabinent what its pros and cons you may also talk about other matrials as an example

Random variable having weibull distribution : Suppose that the time to failure (in minutes) of certain electronic component subjected to continuous vibrations may be looked upon as a random variable having Weibull Distribution with a=1/5 andb=1/3.

User Account

All Pages