Question

a motorist traveling with a uniform speed of 18km /hr accelerates his bike at the rate of 2m/s¯² for 6 seconds. what is speed after 6 seconds (in km/hr)

Answer 1

Use the same formula
v=u+at
Where v =? u=18km/hr =(18×5)/18= 5m/s
a=2m/s²
t=6s
Thus
v=5+ 2×6
v=17m/s