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WAEC Further Mathematics 2022 Question 16

Question 16

Dynamics

A particle moving with a velocity of 5 ms−1 accelerates at 2 ms−2. Find the distance it covers in 4 seconds.

  1. A.16 m
  2. B.26 m
  3. C.36 m
  4. D.46 m
Show the answer and explanation

Answer: C (36 m)

Explanation

s = ut + ½at² = 5(4) + ½(2)(16) = 20 + 16 = 36 m.