JAMB Physics 2012 Objective — Question 7
Question 7 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2012 Objective paper, with the correct answer and a full explanation.
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A car starts from rest and moves with a uniform acceleration of 30ms⁻² for 20s. Calculate the distance covered at the end of the motion.
- A. 6kmCorrect
- B. 12km
- C. 18km
- D. 24km
Explanation
s = ut+½at² = 0+½×30×20² = ½×30×400 = 6000m = 6km.
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