JAMB Physics 2009 Objective — Question 6
Question 6 of 50 from the Joint Admissions and Matriculation Board (JAMB) Physics 2009 Objective paper, with the correct answer and a full explanation.
Advertisement
6. If a wheel 1.2 m in diameter rotates at one revolution per second, calculate the velocity of the wheel.
- A. 3.6ms⁻¹
- B. 3.8ms⁻¹Correct
- C. 4.0ms⁻¹
- D. 7.5ms⁻¹
Explanation
r = 0.6m, f = 1Hz. ω = 2πf = 6.284 rad/s. v = rω = 0.6 x 6.284 ≈ 3.8 ms⁻¹.
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.