A particle moves in a circle of radius \( 20 \mathrm{~cm} \). Its linear speed is given by \( v=....
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0A particle moves in a circle of radius \( 20 \mathrm{~cm} \). Its linear
\( \mathrm{P} \)
speed is given by \( v=2 t \) where \( t \) is in s and \( v \) in \( \mathrm{m} / \mathrm{s} \).
W
Then
(1) The radial acceleration at \( t=2 \mathrm{~s} \) is \( 80 \mathrm{~ms}^{-2} \)
(2) Tangential acceleration at \( t=2 \mathrm{~s} \) is \( 2 \mathrm{~ms}^{-2} \)
(3) Net acceleration at \( t=2 \mathrm{~s} \) is greater than 80 \( \mathrm{ms}^{-2} \)
(4) Tangential acceleration remains constant in magnitude
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