Examples of email use that could be considered unethical include . sending a quick message to your friend about last weekend

sharing a funny joke with other employees

denying receiving an e-mail requesting that you work late

sending your boss the monthly sales figures in an attachment

forwarding a chain letter asking for donations to a good cause

setting up a meeting with your co-worker

"Denying receiving an e-mail requesting that you work late "

"Sending a quick message to your friend about last weekend "

"Sharing a funny joke with other employees"

Explanation:

Based off of the questions, I assume it means while you are at work. If you're at home or something, all of these are fine.

answeruse the nslookup utility;

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.