Question

Two trains A and B move on two parallel tracks with a speed of 40 km/hr and 140 km/hr in the opposite direction
Please give mathematical answer

Answer 1

Answer:

Refer to the attachment for your answer.

Answer 2

Answer:

:Solution :

40 Km /hr

140 km /hr

= 40 Km /hr - (-140:)

= 180 km /hr

=√(40)^2 + (140)^2 + (2140)1140 ) 1050°

=√1600 + 19600 + 11200

= √32400

= √180 km / hr

Answer = √180 km/hr