Question

a train starts from rest with an accelaration of 2ms-2 a man who is 9m behind the train runs with uniform speed and just manages to get into the train in 10 s. the speed of the man is

Answer 1

Given
$given \: d = 9m \: \\ t = 9 s \: \\ a = 2m \div s2 \: \: u = 0m \div s \: \\ v = u + at \: \: v = \: o \: + 2 \times 9 = 18 \\ v = 18m \div s \: )$