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Kgatliso
Answers (1)
use conservation of Mechanical energy formula. change in ME=0 change in Ek+change in PE=0 1/2mvf^2+mghf=1/2mvi^2 +mghi 1/2(0.100)(0.687)^2+(0.100)(9.81)(0.180)=1/2(0.100)(2.00)^2+(0.100)(9.81)(0) 0.20=0.20
