i have the final answer of this question . i just need to see work to understand

Question

i have the final answer of this question . i just need to see work to understand how its solved Q)A skier flies off a ski jump in a perfectly horizontal direction at a speed of 36.0m/s and eventually lands at a point 98.0m lower than his take-off. Calculate a)how long he has been in flight b)how far in a horizontal direction he has traveled c) his velocity just before landing d)his displacement from take-off to landing 4.47s, 161m, 56.7m/s at 309 degrees, 188m at 329 degrees ( those are answers for a,b,c,d )

Explanation / Answer

a) initial vertical velocity =0 ,initial horizontal velocity = 36m/s ( horizontal velocity remains the through out the motion ), considering vertical motion of the particle , Vy^2 - 0 = 2*g*h , Vy = sqrt(2*g*h) = 43.83m/s , Time = 43.83/g = 4.47s , b) horizontal distance = horizontal velocity * time = 36*4.47 = 160.99m. c)V = sqrt(Vx^2+ Vy^2) = 56.72m/s. d) S = sqrt(Sx^2 + Sy^2) = 188.47m.

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