Physics, 04.02.2020 15:03 angelynb1497
Massive amounts of destructive energy are released when a nuclear fission bomb explodes. where does that energy come from?
a)
compounds are created, releasing chemical energy.
b)
a chain reaction occurs when uranium atoms split, releasing nuclear energy.
c)
bonds between atoms break, releasing chemical energy.
d)
hydrogen atoms fuse together into helium, releasing nuclear energy.
Answers: 3
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What is the magnitude of the resultant vector round your answer to the nearest tenth
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Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.
Answers: 3
Physics, 22.06.2019 11:50
Amoving electron has kinetic energy k1. after a net amount of work w has been done on it, the electron is moving one-quarter as fast in the opposite direction. (a) find w in terms of k1. (b) does your answer depend on the final direction of the electron's motion?
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Physics, 22.06.2019 18:00
Consider two regions of space containing a static electric field, region a and region b. in region a the equipotential lines are more closely spaced than those in region b. what can be said about the relative strength of the electric field in the two regions? a) the electric field in region a is stronger th
Answers: 3
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