Answer:
I know the first one is C.) 4J. I don't know of the answer for the second oneis suppose to be in N/m form? but I got
2,500N/m
D. You speed up
Explanation:
hope it helps
i believe it's C but i'm not completely sure
I'm just in jss2 but I read physics. this is what I think
the correct answer is b: 25