A stone is dropped from a window 5m high what is its speed

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The discussion revolves around calculating the speed of a stone dropped from a height of 5 meters using energy conservation principles. The stone initially possesses gravitational potential energy, which is converted into kinetic energy as it falls. The relevant formulas mentioned include gravitational potential energy (GPE = height x weight) and kinetic energy (KE = 1/2 x mass x speed^2). By equating the two forms of energy, the mass cancels out, simplifying the calculation. The key takeaway is that the speed can be determined without knowing the mass, relying solely on the height and gravitational acceleration.
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Ok this might be a simple problem but i have no idea how to do it;

A stone is dropped from a window 5m high what is its speed when it hits the ground.

I don't need answer i just need a formula or some guidence
Thanks
 
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What does the stone have at 5m high?(what kind of energy) when dropped...this kind of energy is converted into energy a body possesses by virtue of its motion...

Law of conservation of energy
 
at 5m it has gravitaitional potential energy and when its is dropped it is converted to kinetic energy
ive got the formula for GPE it is height x weight
and for kinetic energy its 1/2 x mass x speed^2

these might not be the right formulas as i don't have the mass
 
But...weight= mass x accel. due to gravity...so if you equate the two you will get:
1/2 x mass x speed^2= Height x weight

1/2 x mass x speed^2=Height x mass x accel. due to gravity


do you see anything canceling out?
 
amny thanks
i appreciate your help
 

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