A sandbag is motionless in outer space. A second sandbag with three times the mass moving at 12 m/s collides with it. They both stick together, and move at a speed of
A) 3 m/s.
B) 4 m/s.
C) 6 m/s.
D) 8 m/s.
E) none of the above
E
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The greatest nuclear catastrophe to date occurred in 1976, in a nuclear power plant at Verkoyansk, in central Siberia, Russia (which was, at that time, part of the Soviet Union)
Indicate whether the statement is true or false.
Areas close to the ITCZ
A) receive abundant precipitation B) receive little precipitation C) receive abundant precipitation, mostly as snow D) frequently experience droughts
Given the compounds 2,3-dimethylpentane, 3-ethylpentane and 3-methylhexane, which are constitutional isomers of one another?
A) only 2,3-dimethylpentane and 3-ethylpentane B) only 2,3-dimethylpentane and 3-methylhexane C) only 3-ethylpentane and 3-methylhexane D) They are all constitutional isomers of one another.
A 33-year-old female has been rescued from the water after being found floating. She is delivered to shore and you assess that she has a pulse. As you begin rescue breathing, you note significant resistance and obvious gastric distension. You should:
A. begin chest compressions. B. ventilate with decreased pressure. C. move the patient to an upright position and perform abdominal thrusts. D. move the patient to her left side and apply firm pressure to the epigastrium.