physics
A train is moving parallel and adjacent to a
highway with a constant speed of 22 m/s. Initially a car is 69 m behind the train, traveling
in the same direction as the train at 35 m/s
and accelerating at 3 m/s
2
.
What is the speed of the car just as it passes
the train
Reply
Answers
The speed of the car just as it passes the train is 40 m/s. This is because the car is accelerating at a rate of 3 m/s2, so its speed increases by 3 m/s every second. The car was initially travelling at 35 m/s, which means that after 5 seconds, its speed will be 40 m/s when it passes the train.
