Question

a bus movi along a straight line at 20 m/s undergoes an acceleration of 4 m/s. After 2 seconds its speed will be

Answer 1

hello mate here's ur answer.....

U= 20 m/s
a= 4 m/s^2
v = u + at = 20 + 4×2 = 28 m/s

speed will be 28m/s

hope this will help you...
mark it as brainliest☺️

Answer 2

u = 20m/s 
v = ? 
t = 2 second \
a =  4m/s²
v = u + at
v = 20 + 4 x 2
v = 28 m/s