Answer:
The initial acceleration is 0,221 m/s^2.
Explanation:

Answer:
light waves can travel in vacuum but sound waves require a medium to travel
also light waves are electromagnetic waves while sound waves are mechanical, light waves are transverse waves while sound waves are longitudinal waves
D. The measure of average kinetic energy of molecules of a substance
From that ragged, motley list of statements, only 'C' is true.
Answer Choices:
a. Technician A only
b. Technician B only
c. Both technicians A and B
d. Neither technician A nor B
Explanation:
a. Technician A only