A ______________ has a definite volume and assumes the shape of its container
Fill in the blank(s) with correct word
liquid
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Series/Parallel Circuits: The following three appliances are connected in parallel across an ideal 120-V dc power source: 1200-W toaster, 650-W coffee pot, and 600-W microwave. If all were operated at the same time what total current would they draw from the source?
A. 4.0 A B. 5.0 A C. 10 A D. 20 A
Compared with the sum of isolated-nucleon masses, their collective mass in a composite nucleus is
A) more. B) less. C) the same.
While surface conditions differ greatly, name three ways that Venus and Earth are indeed "sister planets."
What will be an ideal response?
A heat engine absorbs 2 500 J of heat from a hot reservoir and expels 1 000 J to a cold reservoir. When it is run in reverse, with the same reservoirs, the engine pumps 2 500 J of heat to the hot reservoir, requiring 1 500 J of work to do so. Find the ratio of the work done by the heat engine to the work done by the pump. Is the heat engine reversible?
a. 1.0 (no) b. 1.0 (yes) c. 1.5 (yes) d. 1.5 (no) e. 2.5 (no)