A particle moves along a straight line. The distance of the particle from the origin at time
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A particle moves along a straight line. The distance of the particle from the origin at time t is given by s(t) = sin t + 2 cos t. Find the velocity at the following times.
(a) t = 0
(b) t = π/4
(c) t = 3π/2
Find the acceleration at the following times.
(d) t = 0
(e) t = π4
(f) t = π
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