Which of the following is a common financial aid scam that students sometimes find on the internet?
All of the above.
Answer:i They automatically display as the first row or column.
Explanation:Go to the "Insert" tab on the Excel toolbar, and then click the “Header & Footer” button in the Text group to start the process of adding a header. Excel changes the document view to a Page Layout view. Click on the top of your document where it says “Click to Add Header,” and then type the header for your document.
Answer:
(i) The rotation speed must stay the same.
(ii) The rotation speed must increase.
(iii) The rotation speed must decrease.
Explanation:
According to Equation
10.10, the angular speed must therefore vary as the laser–lens system moves
radially along the disc. In a typical CD player, the constant speed of the surface at
the point of the laser–lens system is 1.3 m/s.