\
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
.
.
From (2) and (3),
\ 
Substitute
in expression (1). \ \
\

Speed of the sports car at the impact is 
\
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\