Abody is projected horizontally from the top of a tower with initial velocity 18 ms-'. It hits the ground at angle
45° What is the vertical component of velocity when it strikes the ground?
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Answer:
Ux =9√2 , Ux =9√2
Range find
R = 2UxUy÷g
R = 2*9√2*9√2÷10
R. = 324/10
t. = d÷v
t = 324/10÷18
t =1.8 sec
Vy = Uy +gt
Vy = 0 +10*1.8
Vy = 18 m/s Answer
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