Speed and velocity

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Speed and velocity

Post by MathsTutor4You on Mon Sep 07, 2015 5:17 pm

At time t seconds, where , a particle P is moving on a horizontal plane with
acceleration [(3t2– 4t)i + (6t – 5)j] m s–2.

When t = 3 the velocity of P is (11i + 10j) m s–1.

Find

(a) the velocity of P at time t seconds,

(b) the speed of P when it is moving parallel to the vector i.
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