10 would be the answer for number 3
Answer:
Twice
Explanation:
From the formula for velocity in a circle
V= 2πr/T
Where V is velocity
r is raduis
T is period
We see that as r increases V increases so if r is doubled V becomes doubled
Answer:
it is very hard question for me sorry i cant solve it
You use more significant figures. 5 sigfigs (1.0985) is more accurate than 2 sigfigs (1.0)
Anything that is made of atoms I believe. Matter is basically everything concrete that is not energy
