CODEWITHSUNDEEP
mathlua
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Reputation: 25

Calculate max height in Lua

I'm trying to get the maximum height at which an object was thrown, but it gives me an erroneous result

I made this:

local Vo = 10^2
local a = math.sin(30)^2
local g = 10*2
local H = Vo*a/g
print(H)

Expected: 1.25 Results: 4.88

Upvotes: 0

Views: 58

Answers (1)

Aki
Aki

Reputation: 2938

Your problem began when you assumed that math.sin takes degrees as argument. It does not. It takes radians:

local Vo = 10^2
local a = math.sin(math.rad(30))^2
local g = 10*2
local H = Vo*a/g
print(H)
-- 1.25

Please refer to lua-users wiki or other references while using functions you have never used before. It really helps.

Upvotes: 3

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