Question

a train is moving with a velocity of 90 km per hour it is brought to stop by applying the brakes which produces the retardation of 0.5 metre per second square. find the velocity of after 10 second and the time taken by the train to come at rest

Answer 1

v= at. 90km/h =25m/
v^2=2as
d=at^2/2
use this formula and calculate