GENERAL KNOWLEDGE

GK

PHYSICS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
A 1200-kg vehicle is moving at 11 m/s then it reversed direction and have a speed of 6 m/s. What is the magnitude of the change in the momentum of the vehicle?
A
20, 400 kg∙m/s
B
-20, 400 kg∙m/s
C
6000 kg∙m/s
D
-6000 kg∙m/s
Explanation: 
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