Answer:
left side
Explanation:
It's smaller in length but still has a pretty close slope to the right side.
Answer:
the frequency of the wave increases
Considering that the book is moving with constant speed, the force applied by Anna must be the same that the friction force:
If we clear the previous equation:
Answer:
through nuclear fusion
Explanation:
The burning of the sun is not chemical combustion. It is nuclear fusion. This combustion releases energy which we experience as the heat and light given off by the flame.