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The mass of the sports car is 950 kg.
\Let speed of sports car before impact be .
Let speed of both vehicles after impact be .
The mass of the SUV is 2100 kg.
\Coefficient of kinetic friction between tires and roadis 0.8.
\Momentum before clliosion is
Momentum after clliosion is . \ \
Law of conservation of momentum:
\Frictional force is .
Work done by frictional force is .
Total kinetic of both cars after impact .
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From (2) and (3),
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Substitute in expression (1). \ \
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Speed of the sports car at the impact is
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