Question 38
DynamicsA 24 N force acts on a body such that it changes its velocity from 5 ms−1 to 9 ms−1 in 2 seconds. If the body is travelling in a straight line, calculate the distance covered during the period.
- A.22 m
- B.18 m
- C.14 m
- D.10 m
Show the answer and explanation
Answer: C (14 m)
Explanation
s = ½(u + v)t = ½(5 + 9)(2) = 14 m.