Home Mathematics Please help, thanks!(: Please help, thanks!(:Mathematics Danielcano1228October 22, 20214 CommentsPlease help, thanks!(:[tex]Please help,thanks!(:[/tex]
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the answer is a
The velocity of the vehicle, x is 4 m/s
Where we have conservation of momentum then we have;
Sum of Initial momentum = Sum of Final momentum
Initial momentum of truck = 5000 kg·m/s
Initial momentum of car = 1600 kg·m/s
Sum of initial momentum of truck and car = 5000 kg·m/s + 1600 kg·m/s = 6600 kg·m/s
Final momentum of truck = = 3400 kg·m/s
Final momentum of car = 800 kg × x m/s
Therefore, by the principle of conservation of momentum, we have;
6600 kg·m/s = 3400 kg·m/s + 800 kg × x m/s
800 kg × x m/s = 6600 kg·m/s - 3400 kg·m/s = 3200 kg·m/s
x m/s = 3200 kg·m/s /(800 kg) = 4 m/s
The velocity of the vehicle, x = 4 m/s
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