WAEC Physics 2014 Objective — Question 10
Question 10 of 50 from the West African Examinations Council (WAEC) Physics 2014 Objective paper, with the correct answer and a full explanation.
Advertisement
A car starts from rest and covers a distance of 40 m in 10 s. Calculate the magnitude of its acceleration.
- A. 0.25 ms⁻²
- B. 0.80 ms⁻²Correct
- C. 3.20 ms⁻²
- D. 4.00 ms⁻²
Explanation
Using s=ut+½at² with u=0: 40=½×a×10², so a=80/100=0.80ms⁻².
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.