A motor vehicle is brought to rest from a speed of 15ms -1 in 20
PHYSICS
JAMB 1994
A motor vehicle is brought to rest from a speed of 15ms-1 in 20 seconds. Calculate the retardation.
- A. 0.75ms-1
- B. 1.33ms-2
- C. 5.00ms-2
- D. 7.50ms-2
Correct Answer: A. 0.75ms-1
Explanation
Retardation = \(\frac{u - v}{t}\)
= \(\frac{15 -0}{20}\)
= 0.75ms-1
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