Step-by-step explanation:
small circle
C= pi D
C = 3.1415(9)
C= 28.3 ft
large circle
C= 2(3.1415)(7)
C = 44 ft
Add 28.3 + 44 = 72.3 ft
Answer:
You've got it correct, if I'm not mistaken it's either B, or C. I don't remember which answer it was, it was one of those 50/50.
Answer:
2
Step-by-step explanation:
x(60) = 12(10) -->
x(60) = 120 -->
x = 2
Kinetic Energy
=
1
2
m
v
2
=
1
2
1120
⋅
40
2
=
896000
J
=
8.96
⋅
10
5
J
