Energy conservation
mgh = 1/2mv^2
1.5*9.8*3 = 1/2*1.5*v^2
44.1*2 = 1.5*v^2
88.2/1.5 = v^2
58.8 = v^2
v = 7.668 m/s
Answer:
127.4 newtons
Explanation:
Assuming g = 9.8:
F = ma = 13(9.8) = 127.4 N
Is (a). .. the hope it helps
Answer:
They sound tinkling in solid hard like metal.
They can vibrate soft surface
I could just Ans this
i think number 1 on the bottom is friction, i honestly am having trouble myself so i cannot really help