Which one of the following processes CANNOT occur?
A) ?- + p ? n + ?
B) ?0 ? 2?
C) ?+ ? ?+ + v?
D) ?- ? ?- + p
E) ?+ + p ? K+ + ?+
D
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What is the probability of rolling either a 7 or 11 on a single roll of a pair of dice?
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Since matter is made of electrically charged particles, why don't we feel electric forces all the time?
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A flatbed truck is carrying a 20-kg crate up a sloping road. The coefficient of static friction between the crate and the bed is 0.40, and the coefficient of kinetic friction is 0.30
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You are in a desert and you are thirsty. You come upon a deep well hole and you see water about 11 meters down. You take a long tube and you try to drink the water by sucking on the tube. Compared to drinking with a cup with a standard 20 cm straw, in this case, drinking would be
1.much easier. 2.about the same level of difficulty. 3.more difficult. 4.impossible.