Motion problem

From Levíc to Košíc, go car at speed 81 km/h.
From Košíc to Levíc, go another car at speed 69 km/h.

How many minutes before the meeting will be cars 27 km away?

Correct answer:

t =  10.8 min

Step-by-step explanation:

v1=81 km/h v2=69 km/h s=27 km  v=v1+v2=81+69=150 km/h t1=vs=15027=509=0.18 h t=t1 h=t1 60  h=0.18 60  h=10.8 h=554 min=10.8 min



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Need help calculating sum, simplifying, or multiplying fractions? Try our fraction calculator.
Check out our ratio calculator.
Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?
Do you want to convert length units?
Do you want to convert velocity (speed) units?
Do you want to convert time units like minutes to seconds?

 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: