# Crossroads

The rectangular crossroads comes passenger car and an ambulance, the ambulance left. Passenger car is at 43 km/h and ambulance 52 km/h.

Calculate such a relative speed of the ambulance moves to the car.

Result

Relative speed of ambulance to car:  67.48 km/h

#### Solution:

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#### To solve this example are needed these knowledge from mathematics:

Two vectors given by its magnitudes and by included angle can be added by our vector sum calculator. Pythagorean theorem is the base for the right triangle calculator.

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