Answer:
0.23 J
Explanation:
k*(36 - 28) = 23
so k = 23/8 N/cm
W = k(32 - 28)²/2 = 23/8 * 4²/2 = 23 N-cm = 0.23 J
Hello,
I believe they are a lever and a wedge.
I hope this helps!
copper, silver, aluminum, brass
you could have looked that up