1.

Two parallerrail tracks run north south . Train A moves north with a speed of 54 km//h and train B moves south with a speed of 90 km/h. Whatis the

Answer»

SOLUTION :LET us CONSIDER south to NORTH direction to be positive.
Here, `v_A =+54 km//h=15 m//s`
`v_B=-90km//h=-25m//s`


Discussion

No Comment Found