41 solution please

1. A bullet fired vertically up from the ground reaches a point in its path after 3s 
and 13s. both times being taken from the instant of firing the bullet. The velocity of 
projection the bullet is (g = 10 ms–2
l) 80 ms-l 
2) 40 ms-l 
3) 160 ms–l 
4) 20 ms–1 

 

Dear student,
Regards

  • 1
What are you looking for?