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1 answer:
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Solution :
Let the positive is along the East and the positive
direction is along the north.
Given :
Mass of the Tesla car, =
Mass of the Ford car,
Now let the initial velocity of Tesla car in the south direction be =
The initial momentum of Tesla car,
Let the initial velocity of Ford car in the east direction be =
So the initial momentum of the Ford car is
Therefore, the initial velocity of both the cars is
Now the final velocity of both the cars is
So the vector form is :
Therefore the momentum after the accident is
According to the law of conservation of momentum, we know
From,
We get,
Therefore the speed of Tesla car before collision = 25.4 m/s
The speed of ford car before collision = 24.4 m/s
