Ask a Teacher

Search



A RACE CAR ACCELERATE ON A STRAIGTH ROAD FROM REST TO A SPEED OF 180KM/HR IN 25 SECONDS.ASSUMING UNIFORM ACCELERATION OF THE CAR THROUGHOUT,FIND THE DISTANCE COVERED IN THIS TIME.
u=0
t=25s
v=180km/hr
 =180*(5/18)m/s
 =50m/s
v=at
a=v/t
 =50/25
 =2m/s^2
S=(1/2)*at^2
 =(1/2)*2*25^2
 =625m


comments powered by Disqus