plz solve this with explanation
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potential energy of the swing when it is at a height of 5m from ground = mgh = 5×10×m= 50m
potential energy of the swing when it is at the height of 2m from ground = 20m
So , 50m - 20m potential energy changed to kinetic energy = 30m
30m = 0.5 m V^2
V = √60
V = 7.7m/s
potential energy of the swing when it is at the height of 2m from ground = 20m
So , 50m - 20m potential energy changed to kinetic energy = 30m
30m = 0.5 m V^2
V = √60
V = 7.7m/s
Kundank:
me too..
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Big bang Was on 14th october....
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it would be nice to have friend like you...if you have any doubt in Maths and physics ask me i will try to help you
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