Answer:
Speed of Police Car = 110 km per hr
Explanation:
Speed of Truck S(t) = 80 km p h
Distance = speed x time
Hence distance covered by truck in
hours


D(t)=8 km
Distance covered by police car = 3 km more than that of Truck
D(c) = 8+3=11 km
Time taken =

Speed =

Replacing those values
Speed =

Speed =

Speed = 110 kmph