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Maths-

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Question

$1 half m v squared equals m g h$
Torricelli’s law is given by the equation above, where m represents the mass, h represents the height, ν represents the velocity, and g is a constant. According to the equation from Torricelli’s law, which of the following is equivalent to the velocity, ν ?

2gh
$\frac{1}{2} g h m^{2}$
$\sqrt{2 g h}$
$\sqrt{\frac{1}{2} m g h}$

The correct answer is: $square root of 2 g h end root$

$1 half m v squared equals m g h$
$1 half v squared equals g h$
v² = 2gh
$v equals square root of 2 g h end root$ .

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