Question
Mon September 28, 2009 By:

pls solve

Expert Reply
Mon September 28, 2009

R = 200 m, T = 5 sec.

T = 2u sin θ/g,

u sin θ = Tg/2 = 5 x 10/2 = 25 m/s ........(a) Ans

R = T ucos θ

ucos θ = R/T = 40 m/s .............(b) Ans

H = (usin θ)2/(2g) = 625/20 = 31.25 m ..........(c) Ans

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