A particle is performing motion whose position vector isgiven by r -15 -cos pt - i- sin pt - j- m - when p is in rad-s and t is in seconds- The magnitude of centripetal acceleration at t - 3 s- is-2- 15p-2 m-s2-1- 30p-2 m-s2-4- 90p-2 m-s2-3- 45p- m-s2

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A particle is...

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A particle is performing motion whose position vector isgiven by r =15 (cos pt \overset∧ i+ sin pt \overset∧ j) m , when p is in rad/s and t is in seconds. The magnitude of centripetal acceleration at t = 3 s, is(2) 15p^2 m/s2(1) 30p^2 m/s2(4) 90p^2 m/s2(3) 45p^{} m/s2

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- r

- a

a = 4 t + 3

(m / s^{2})

t

t = 0, u = 3 m / s, x = 2 m

P = (a sin t \land i - a cos t \land j) k g - m / s

\to F

\to r

m

\to r (t) = {α t}^{3}^i + β t^{2}^j

α = 10 / 3 {m s}^{- 2}, β = 5 {m s}^{- 2}

m = 0.1 k g

t = 1

\to r

\to r (t) = {α t}^{3}^i + β t^{2}^j

α = 10 / 3 {m s}^{- 2}, β = 5 {m s}^{- 2}

m = 0.1 k g

t = 1

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