List the general guidelines for optimizing website multimedia.
What will be an ideal response?
• Allow your website to adapt the content to show a low- or high-bandwidth version depending on the visitor's speed or device.• Instruct the website to inform the visitor of any necessary plug-ins and provide links to any downloads if necessary.• If possible, provide options for full-screen viewing of videos or animations.• Provide text equivalents or descriptive text for all multimedia elements to meet accessibility standards.• When developing original elements, break audio or video files into short segments to create smaller files.
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A gas undergoes a process A-B that traces a straight line in the p-V diagram. At A the gas has a pressure of 75 kPa and a volume of 12 L. At B the pressure is 60 kPA and the volume is 20 L. The heat gained in this process is 600 J
The internal energy of the gas at A is 70 J. What is the internal energy of the gas at B? A) 60 J B) 10 J C) 190 J D) 130 J E) 70 J
Predict the heat transfer per unit area for warm water at 70ºC placed in a large pan at 10ºC.
What will be an ideal response?
On the celestial sphere, the Sun
A) circles once each year along the path called the ecliptic. B) stays always at the same fixed point among the stars. C) circles daily around the celestial equator. D) is the central object.
You leave on a trip in order to attend a meeting that will start after you begin your trip. Along the way you plan to stop for dinner
If the fastest you can safely drive is 65 mi/h, what is the longest time you can spend over dinner and still arrive just in time for the meeting? A) 2.4 h B) 2.6 h C) 1.9 h D) You can't stop at all.