Let stack ptr be a pointer to a stack of integers. Use the functions Push, Pop, Initialize, Empty, and Full to write a function to return the value of the third element from the stack, provided the stack contains at least three integers. If not, return an error message. Leave the stack unchanged. You may declare additional variables in your function, if needed. Note that you are not required to write any of the Push, Pop, Initialize, Empty, and Full functions; assume they are available.

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.

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i would first let him be aware that a cover letter is official and confidential and it requires a proper formatting so that the employer doesn't have hard time when going through it. he should write it in paragraphs of about two to four sentences and use proper grammar a , spelling and proper punctuation. i will also advice him not to be emotional and not also to use images.then base his attention to the details of the job described and not other things. that is he be specific to the responsibilities and to the employers requirements. on this he should make sure that the letter reflects how good he is for the requirements detailed by the employer

the letter should not be too long nor too short.