Question

Two automobiles A and B are approaching
each other in adjacent highway lanes. At
t=0, A and B are 1 km apart, their speeds
are Va=108 km/hr and Va=63 km/hr, and
they are at points P and Q, respectively.
Knowing that A passes point Q, 40 sec
after B was there and that B passes point
P 42 sec after A was there, determine
when the vehicles pass each other,
(Answer in sec with one decimal.)​

Answer 1

Explanation:

Two automobiles A and B are approaching

each other in adjacent highway lanes. At

t=0, A and B are 1 km apart, their speeds

are Va=108 km/hr and Va=63 km/hr, and

they are at points P and Q, respectively.

Knowing that A passes point Q, 40 sec

after B was there and that B passes point

P 42 sec after A was there, determine

when the vehicles pass each other,

(Answer in sec with one decimal.)