On a camping trip, your friend tells you that fluffing up a down sleeping bag before you go to bed will keep you warmer than sleeping in the same bag when it is still crushed from being in its storage sack. Explain why this happens.(hint: a large amount of air is presnt in an uncrushed sleeping bag)
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Physics, 20.06.2019 18:04
The density of gold is 19.3g/cm3. what is the volume of a 13 g gold nugget? ( density: d= m/v)
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Physics, 21.06.2019 15:10
The graph below represents the work done by a student while running up flights of stairs. determine the student's power output after 10 seconds: 1600 j/s 8000 j/s 160 j/s 800 j/s
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Physics, 22.06.2019 13:10
The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.
Answers: 3
On a camping trip, your friend tells you that fluffing up a down sleeping bag before you go to bed w...
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