1.a
2.c
3.a
4.a
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Answer:
The changing variables are: v and KE
Explanation:
Given
Required: What changes?
From the formula above:
m: The mass of the skater is constant.
v: Moving up and down the track may change the velocity of the skater.
KE: When velocity changes, the kinetic energy also changes
So:
The changing variables are: v and KE
47) A) <span>Metaphase
48) C) </span><span>manufacturing proteins
49) B) Sperm and Egg cells
Hope this helps!</span>
Answer: Stars?
Explanation: I think it is stars because there is only one star in our solar system. I don't know for sure if it is, but I think it is. Don't be too sure of my answer.
It travels through the more dense medium until it reaches the boundary with a less dense medium. MIDDLE: At the boundary, both reflection and transmission occur. ... The reflected pulse becomes inverted when a wave in a less dense rope is heading towards a boundary with a more dense rope.
