homework set 2
Homework Set 2
You will now complete the following homework problems from your textbook Conceptual Integrated Science: • Page 144, #48• Page 175, #53• Page 207, #12 and #19• Page 851, #45• Page 893, #5 and #6 Submit your answers in a Word document to the Dropbox no later than Sunday 11:59 PM EST/EDTPage 144, #48 If you wish to warm 100 kg of water by 20°C for your bath, show that 8370 kJ of heat is required.Page 175, #53. Show that it costs $3.36 to operate a 100 W lamp continuously for a week if the power utility rate is 20¢/kWh.Page 207, #12. What is the principal difference between a radio wave and light? between light and X-rays?Page 207, #19. What is the relationship between the frequency of light and its color?Page 851, #45. Knowing that the speed of light is 300,000 km/s, show that it takes about 8 min for sunlight to reach Earth.Page 893, #5. Which is hotter, a red star or a blue star?Page 893, #6. What is the difference between apparent brightness and luminosity?
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homework set 2 was first posted on August 15, 2020 at 11:48 am.
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homework set 2 was first posted on August 15, 2020 at 11:51 am.
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