The reason a nuclear reactor will not explode like a bomb is because ________.
a. the uranium-235 enrichment is too low.
b. there is not enough uranium-238 present.
c. the cooling water will always take away the heat
d. there are control rods present
e. nonsense It can explode like a bomb in the event of a loss of coolant accident
Question 2
A car enters a level, unbanked semi-circular hairpin turn of 100 m radius at a speed of 28 m/s. The coefficient of friction between the tires and the road is m = 0.800 . If the car maintains a constant speed of 28 m/s, it will
a. attempt to dig into the road surface. b. tend to veer toward the center of the semicircle. c. arrive safely at the end of the semicircle. d. tend to veer toward the outside of the circle. e. veer toward the center for the first quarter-circle, then veer toward the outside for the second quarter-circle.
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