A ball is dropped from a height of 45m above the ground. Calculate the velocity of the ball just before it strikes the ground. (Neglect air resistance and take g as \(10ms^{-2}\)
a
21.2\(ms^{-1}\)
b
30\(ms^{-1}\)
c
300\(ms^{-1}\)
d
450\(ms^{-1}\)
e
900\(ms^{-1}\)
Explanation
Correct Option
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