Car catching up

In the direction of Hradec Králové, a car left Prague at 8 hours at a 50 km/h speed. At 8 hours and 30 minutes, another car followed him at an average 70 km/h speed. How long will it take to catch up with the first car?

Final Answer:

t =  1.75 hod

Step-by-step explanation:

v1=50 km/h v2=70 km/h Δt=8.508.00=0.5 h  v1 t=v2 (tΔt) 50 t=70 (t0.5)  20t=35  t=2035=1.75  t=47=1.75=1.75 hod



Help us improve! If you spot a mistake, please let let us know. Thank you!







Tips for related online calculators
Do you have a linear equation or system of equations and are looking for a solution? Or do you have a quadratic equation?
Do you want to convert velocity (speed) units?
Do you want to convert time units like minutes to seconds?

You need to know the following knowledge to solve this word math problem:

algebraUnits of physical quantitiesthemes, topicsGrade of the word problem

Related math problems and questions: