In the fusion of low-mass nuclei to make heavier nuclei A) ...

[Mr. Wonderful]

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.

[LegendaryAnswers]

Answer to Question 1

D

Answer to Question 2

A

[Mr. Wonderful]

Gracias!

[Chelseyj.hasty]

TYSM