Solve this: B-112 A body is projected horizontally from the top of a tower with initial velocity 18 ms-1 - Physics - Motion in one dimension

Question

Solve this:

B-112 A body is projected horizontally from the top of a tower with
initial velocity 18 ms-1 , it hits the ground at angle
45o What is the vertical of velocity when it strikes the
ground ?
A   18 2 ms - 1            
        B   18   ms - 1    
      C   9 2 ms - 1      
    D   9   ms - 1

Sandeep K. Gupta · Accepted Answer

Solve this: B-112 A body is projected horizontally from the top of a tower with initial velocity 18 ms-1 , it hits the ground at angle 45o. What is the vertical of velocity when it strikes the ground ? A 18 2 ms - 1 B 18 ms - 1 C 9 2 ms - 1 D 9 ms - 1

Solve this:

B-112 A body is projected horizontally from the top of a tower with initial velocity 18 ms^-1 , it hits the ground at angle 45^o. What is the vertical of velocity when it strikes the ground ?
$(A) 18 \sqrt{2} {ms}^{- 1} (B) 18 {ms}^{- 1} (C) 9 \sqrt{2} {ms}^{- 1} (D) 9 {ms}^{- 1}$