Question

plz solve this fast​

Answer 1

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Answer 2

Given,
h = 500m , g = 10m/ s2 , V = 340ms-2

Here we are to find the initial velocity of the body,

Therefore, we can use the formula:

v2 = u2 + 2as
acceleration here is the acceleration due to gravity (g) and the displacement is the height of the body,

Therefore we can modify the equation slightly in order to avoid confusion

Now the equation becomes,

v2 = u2 + 2gh
v2 = u2 + 2gh
( 340)^2 = u2 + 2×10×500
115600 = u2 + 10000
115600 - 10000 = u2
105600 = u2
u = root of 105600
Therefore u = 325

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