Author Question: In the fusion of low-mass nuclei to make heavier nuclei A) thermal energy is produced. B) ... (Read 272 times)

Mr. Wonderful · **on:** Jul 29, 2018

In the fusion of low-mass nuclei to make heavier nuclei

A) thermal energy is produced.
B) nuclear energy is converted to other forms.
C) the final nucleus has a smaller rest-mass than the total rest-mass of the original nuclei.
D) All of the above.

Question 2

A jet aircraft, in level flight at constant speed, is observed directly overhead. A sonic boom is heard 13.0 s later, at which time the line of sight to the aircraft forms a 51 angle with respect to the horizontal. The speed of sound is 325 m/s.

The altitude of the aircraft is closest to A) 6700 m.
B) 5400 m.
C) 8300 m.
D) 2700 m.
E) 13,000 m.