A particle moves in a straight line so that the displacement, s metres, from a fixed-point O,
Question:
A particle moves in a straight line so that the displacement, s metres, from a fixed-point O, is given by s = 2t3 – 17t2 + 40t - 2, where t is the time is seconds after passing a point X on the line.
a. Find the distance OX.
b. Find the value of t when particle is first at rest.
c. Find the values of t for which the velocity is positive.
d. Find the values of t for which the velocity is negative.
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a To find the distance OX we need to find the displacement of the particle when t 0 When t 0 s 203 1...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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