5th and 6th no.Plz answer Share with your friends Share 0 Vijay Shankar Yadav answered this Dear Student, 5th. Velocity of source after 10s=10×10=100m/sand frequency observed =340340+100×1700=1314Hz Kindly post different question in different post. Regards 2 View Full Answer Allen Kadyan answered this 5th dans &6th a ans 0