In what direction and with what speed it is possible to continue trailing?

Only in direction Б with a speed of 60 km/h.

Only in direction A with a speed of 20 km/h.

In both directions with a speed of 50 km/h.

In direction Б with a speed of 50 km/h and in direction A with a speed of 20 km/h.


Question : / 1503