6) A 39.0kg block at rest on a horizontal frictionless table is connected to the wall...
6) A 39.0kg block at rest on a horizontal frictionless table is connected to the wall via a spring with a spring constant k=16.0N/m. A 3.70
Homework Answers
initial momentum = Pi = m*v
final momentumPf = (M+m)*V
Pf = Pi
V = mv/(M+m)
KE = PE
0.5*(M+m)*V^2 = 0.5*K*A^2
(0.5*0.037^2*560^2)/(39+0.037) = 0.5*16*A^2
A = 0.8291 m
7) F = P * A = (Po+rho*g*h)*A =
((1.013*10^5)+1024)*9.8*113*3.14*(0.171/2)^2 = 2.601*10^6 N
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