Answer:
I can't see the picture
Explanation:
Im sorry can you right whats on the picture down in the comments plz.
Answer:
a). 1.218 m/s
b). R=2.8
Explanation:


Momentum of the motion the first part of the motion have a momentum that is:


The final momentum is the motion before the action so:
a).




b).
kinetic energy

Kinetic energy after

Kinetic energy before

Ratio =

It's either 3 or 4 I know this becuase I have read a book about electricity
The answer would be C. Gamma Rays and High Frequency EM waves travel at the speed of light and are transverse waves.