a ball of mass 1kg dropped form a height of 5m. A find the kinetic energy of the ball just befor it reaches the ground. B what is its speed at this instant ?
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speed= 9.8m/s
p.e =mgh
p.e=1×5×9.8
p.e=49 Jule
p.e =mgh
p.e=1×5×9.8
p.e=49 Jule
deep14379:
plz find its speed also at that instant
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