Ask a New Question
Search
Questions and answers by
Denis Maiyo
Answers (3)
Q=-KE= 1/2(M){Vf^2-Vi^2}=.5*40(4.7^2-7^2)=538.2J Mass melted=538.2/33.5*10^4=1.6*10^-3kg
x=20.57m then (b) V= 8.48m/s , so it's greater ..use the V^2= Vo^2 +2a(X2-Xo)
approx. 21m
