Question

The greater acceleration or deceleration that a train may have is a. The minimum time in which the train may reach from one station to the other separated by a distance d is

Answer 1

Accn and declrcn each have taken time = t/2

S= 1/2(at/2)*t= at^2/4

t= 2√s/a

Answer 2

acc to declrn ...... t /2

s is equal to one upon two into at upon two into t

which equals to at square upon four .

then t is equal to two under root s upon a