Asked by Anonymous

A car moving at 89 km per hour is subjected to a retardation to brought to rest in 70 second. Find retardation and distance
Answered by bobpursley
change km/hr to m/s
vf=vi+at
vf=0 you can solve for a, the deacceleration. For distance,
avg velocity= vi/2 so distance= avgvelocity*time