Consider a perfectly insulated cup (no
heat can leak in or out of the cup) containing
a...
Consider a perfectly insulated cup (no
heat can leak in or out of the cup) containing
a mixture of 50 grams of ice and 50 grams of 7. water at 0◦ C. A small coffee cup heater inside
the cup allows heat to be transferred to the
ice and water mixture. Heat is transfer
Answers: 3
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Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.
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Physics, 22.06.2019 05:30
A2-kg bowling ball is 2.5 meters off the ground on a post when it falls. just before it reaches the ground, it is traveling 7 m/s. assuming that there is no air resistance, which statement is true?
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Physics, 22.06.2019 12:10
Awater slide of length l has a vertical drop of h. abby's mass is m. an average friction force of magnitude f opposes her motion. she starts down the slide at initial speed vi. use work-energy ideas to develop an expression for her speed at the bottom of the slide. then evaluate your result using unit analysis and limiting case analysis. express your answer in terms of the variables h, m, l, vi, f and appropriate constants. vf v f
Answers: 2
Physics, 22.06.2019 16:30
Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?
Answers: 2
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