7. The ___ is the basic unit of structure ofall living things.
2 answers:
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The two cars have same momentum
Explanation:
The momentum of an object is given by the equation
where
m is the mass of the object
v is its velocity
For the car A in this problem,
m = 5 kg
v = 10 m/s
So its momentum is
For car B we have,
m = 10 kg
v = 5 m/s
So its momentum is
Therefore, the two cars have same momentum.
Learn more about momentum:
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