minta bantuan nya teman teman

0.01 x 1000 = 100 x V + 0.01 x 100
10 = 100V + 1
V = 0.09 m/s

Pawal = P akhir
P1 + P2 = P1' + P2'
m1.v1 + m2.v2 = m1.v1' + m2.v2'
100000.0 + 0,01.1000 = 100000.v1' + 0,01.100
0 + 10 = 100000.v1' + 1
10 - 1 = 100000.v1'
9 = 100000.v1'
9/100000 = v1'
0,00009 m = v1'
v1' = 0,009 cm