want solution........
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hola mate
see the attachment
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M1 - 1500 kg
U1 - 25 m/s
M2 - 1000 kg
U2 - 15 m/s
V1 - 20 m/s
M1U1+M2U2 = M1V1+M2V2
1500*25+1000*15 = 1500*20+1000V2
37500+15000 = 30000+1000V2
52500 = 30000+1000V2
22500 = 1000V2
V2= 22500/1000
V2= 22.5 m/s
U1 - 25 m/s
M2 - 1000 kg
U2 - 15 m/s
V1 - 20 m/s
M1U1+M2U2 = M1V1+M2V2
1500*25+1000*15 = 1500*20+1000V2
37500+15000 = 30000+1000V2
52500 = 30000+1000V2
22500 = 1000V2
V2= 22500/1000
V2= 22.5 m/s
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