A stone of mass 50 g is being rotated in a circle of radius 50 cm with a uniform speed of 2 mis. What is the
.1ecekration of the stone ?
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Answer:
Centripetal acceleration = v^2/r
Where 'r' is the radius and
'v' be the speed.
The centripetal acceleration, α = (2)^2/0.5 = 4/0.5 = 8 ms^-2
If you wonder why I wrote 0.5 it's becoz I converted all the quantities to SI unit system Thus 50cm = 0.5m
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The stone is being rotated in a circular path. So, Centripetal force must be acting on it. (As circular motion is not possible without centripetal force).
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