Question

In above problem angle made by velocity vector with x axis after tan^-1
The above problem is A body is projected from a height of 78.4m with a velocity 10ms. Its velocity after 3sec is [g=10ms] then you will get velocity 10 i+30j then what is the theta
a)3
b)4
c)5
d)6
please give the answer immediately please​

Answer 1

Answer:

i think the answers is option a

Answer 2

Answer:

4

Step-by-step explanation:

uy-10×4/ux

0-40/10

=4