Posted by smarth on .
In an 8.00 race, one runner runs at a steady 11.8 and another runs at 14.5 .How far from the finish line is the slower runner when the faster runner finishes the race?

physics 
bobpursley,
Can't work without units.

physics 
smarth,
A toy train is pushed forward and released at = 3.5 m with a speed of 1.0m/s . It rolls at a steady speed for 1.2s , then one wheel begins to stick. The train comes to a stop 3.4m from the point at which it was released.What is the train's acceleration after its wheel begins to stick?

physics 
smarth,
and the other question is
km/h the units i mean
so the question is
in an 8.00km race, one runner runs at a steady 11.8km/h and another runs at 14.5km/h .How far from the finish line is the slower runner when the faster runner finishes the race? 
physics 
bobpursley,
relative distance= relative velocity*time
= (14.511.8)km/hr * time
but time= 8km/14.5(km/hr)= 8/14.5 hr
relative distance= (above)*8/14.5 km 
physics 
smarth,
im sorry bob but i don't get it :(
i don't understand what you mean