JAMB Physics 2010 Objective — Question 5
Question 5 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2010 Objective paper, with the correct answer and a full explanation.
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5. A car moves with an initial velocity of 25 ms-1 and reaches a velocity of 45 ms-1 in 10s. What is the acceleration of the car? A. 5 ms-2 B. 25 ms-2 C. 20 ms-2 D. 2 ms-2
- A. 5 ms-2
- B. 25 ms-2
- C. 20 ms-2
- D. 2 ms-2Correct
Explanation
a = (v-u)/t = (45-25)/10 = 2 ms-2.
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