JAMB Mathematics 2009 Objective — Question 39
Question 39 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2009 Objective paper, with the correct answer and a full explanation.
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The distance travelled by a particle from a fixed point is given as s = (t-1)(t-5) cm. Find the minimum distance that the particle can cover from the fixed point
- A. 2.3 cm
- B. 4.0 cmCorrect
- C. 5.2 cm
- D. 6.0 cm
Explanation
ds/dt=0 at the minimum point. Then x=4/2=2 gives the minimum distance the particle can cover from the fixed point as 4.0 cm.
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