A particle moves in a straight-line such that its displacement, s metres, from a fixed-point O on
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A particle moves in a straight-line such that its displacement, s metres, from a fixed-point O on the line at time t seconds is given by s = 50[e-2t – e-4t].
a. Find the time when the particle is instantaneously at rest.
b. Find the displacement of the particle from O when t = 2.
c. Find the total distance travelled during the first 2 seconds of its motion.
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a The time when the particle is instantaneously at rest is 2 The displacement from O at that ti...View the full answer
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Related Book For 
Cambridge IGCSE And O Level Additional Mathematics Coursebook
ISBN: 9781108411660
2nd Edition
Authors: Sue Pemberton
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